WO2024106745A1 - 위상 천이기, 위상 천이기를 포함하는 전자 장치 및 그 동작 방법 - Google Patents
위상 천이기, 위상 천이기를 포함하는 전자 장치 및 그 동작 방법 Download PDFInfo
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- WO2024106745A1 WO2024106745A1 PCT/KR2023/015261 KR2023015261W WO2024106745A1 WO 2024106745 A1 WO2024106745 A1 WO 2024106745A1 KR 2023015261 W KR2023015261 W KR 2023015261W WO 2024106745 A1 WO2024106745 A1 WO 2024106745A1
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- phase shifter
- inductor
- phase
- switch
- signal
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/18—Networks for phase shifting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
- H01P1/185—Phase-shifters using a diode or a gas filled discharge tube
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/0115—Frequency selective two-port networks comprising only inductors and capacitors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/01—Frequency selective two-port networks
- H03H7/09—Filters comprising mutual inductance
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
- H03H7/38—Impedance-matching networks
Definitions
- Embodiments of the present invention relate to a phase shifter, an electronic device including a phase shifter, and a method of operating the same.
- phase shifter is an essential circuit for implementing beamforming technology or a phased-array system in electronic devices.
- 5G communication technology operates in the mm-Wave band (20GHz or more) and the required bandwidth is wide, so wideband operation of the phase shifter is required.
- the phase shifter must have a phase change with a small error and the loss of the phase shifter must be minimized.
- the phase error and loss of the 180-degree phase shifter are the largest among the units of the phase shifter, so improvement is required.
- the phase shifter may include a center tap transformer including a first inductor, a second inductor magnetically coupled to the first inductor, and a center tap capacitor connected to the first inductor; a first switch electrically connected to a first terminal of the primary inductor to selectively connect an input terminal of the phase shifter and the first terminal of the primary inductor; and a second switch that is electrically connected to the second terminal of the first inductor and selectively connects the input terminal of the phase shifter and the second terminal of the first inductor.
- the electronic device may include antennas; Phase shifters connected to the antennas; A splitter/combiner connected to the phase shifters; an RFIC configured to provide RF signals to the phase shifters through the splitter/combiner; and a processor.
- the first phase shifter includes a center including a first inductor, a second inductor magnetically coupled to the first inductor, and a center tap capacitor connected to the first inductor.
- the tap transformer may include a first switch electrically connected to a first terminal of the primary inductor to selectively connect an input terminal of the first phase shifter and the first terminal of the primary inductor; And it may include a second switch that is electrically connected to the second terminal of the first inductor and selectively connects the input terminal of the phase shifter and the second terminal of the first inductor. .
- the processor may be set to control on/off of the first switch and the second switch. While the first switch is in the on state and the second switch is in the off state, the induced first RF signal having the same phase as the first RF signal input to the input terminal of the first phase shifter is transmitted to the second phase shifter. It may be output through the output terminal of the first phase shifter connected to the inductor.
- an induced second RF signal having a phase difference of 180 degrees from the second RF signal input to the input terminal of the first phase shifter is 1 It can be output through the output terminal of the phase shifter.
- FIG. 1 is a diagram illustrating the operation of an electronic device included in a system according to an embodiment.
- FIG. 2 is a diagram illustrating a phase shifter included in an electronic device according to an embodiment.
- Figure 3 is a circuit diagram of a phase shifter according to an embodiment.
- phase shifter 4 is a flowchart of a phase shifter and a method of operating an electronic device including a phase shifter according to an embodiment.
- FIG. 5 is a diagram illustrating a phase shifter and an operation of an electronic device including a phase shifter according to an embodiment.
- FIG. 6 is a diagram illustrating a phase shifter and an operation of an electronic device including a phase shifter according to an embodiment.
- Figure 7 is a circuit diagram of a phase shifter according to an embodiment.
- Figure 8 is a circuit diagram of a phase shifter according to an embodiment.
- Figure 9 is a diagram explaining a circuit of a phase shifter according to an embodiment.
- FIG. 10 is a graph of input return loss of a phase shifter according to an embodiment.
- 11 is a graph of output return loss of a phase shifter according to an embodiment.
- FIG. 12 is a graph of insertion loss of a phase shifter according to an embodiment.
- Figure 13 is a graph of the phase of a signal output from a phase shifter according to an embodiment.
- FIG. 14 is a graph of input return loss of a phase shifter according to an embodiment.
- 15 is a graph of output return loss of a phase shifter according to an embodiment.
- 16 is a graph of insertion return loss of a phase shifter according to an embodiment.
- 17 is a graph of the RMS average phase error of a phase shifter according to an embodiment.
- FIG. 1 is a diagram illustrating the operation of an electronic device included in a system according to an embodiment.
- the electronic device 100 may perform communication with a base station (e.g., the first base station 110 or the second base station 220) using beam forming technology. You can.
- the electronic device 100 may transmit charging power to another electronic device using beamforming technology.
- the electronic device 100 may receive charging power from another electronic device using beamforming technology.
- the field in which the beamforming technology of the electronic device 100 is used is not limited to the communication field or the charging field.
- the electronic device 100 may include an antenna array 109.
- the electronic device 100 may include phase shifters electrically connected to each of the antennas included in the antenna array 109. There is no limit to the number of phase shifters.
- a plurality of phase shifters may each be electrically connected to a plurality of antennas included in the antenna array 109.
- the electronic device 100 may generate respective radio frequency (RF) signals through a plurality of antennas included in the antenna array 109.
- RF radio frequency
- Beamforming is a technology that controls RF signals to constructively interfere at specific points.
- the electronic device 100 may perform a beamforming operation based on control of each phase shifter connected to the antenna array 109.
- At least one of the amplitude and phase of the RF signal generated by the plurality of antennas included in the antenna array 109 may be adjusted by the electronic device 100.
- the RF signals generated by each of the plurality of antennas included in the antenna array 109 will be referred to as sub-RF signals.
- the electronic device 100 may adjust at least one of the amplitude and phase of each sub-RF signal generated from a plurality of antennas included in the antenna array 109.
- sub-RF signals may interfere with each other. For example, at one point, sub-RF signals may constructively interfere with each other, and at another point, sub-RF signals may destructively interfere with each other.
- the electronic device 100 may adjust at least one of the amplitude and phase of each sub-RF signal generated from a plurality of antennas included in the antenna array 109 so that the sub-RF signals can constructively interfere with each other at a specific point. .
- the electronic device 100 may control a plurality of antennas included in the antenna array 109 so that sub-RF signals constructively interfere with each other at a specific point.
- controlling the plurality of antennas included in the antenna array 109 means controlling the size of the signal input to the plurality of antennas included in the antenna array 109 or controlling the size of the signal input to the plurality of antennas included in the antenna array 109. This may mean controlling the phase (or delay) of the signal input to the antennas.
- the electronic device 100 may control the phase (or delay) of signals input through a plurality of antennas using a phase shifter. A method by which the electronic device 100 controls the phase (or delay) of signals input through a plurality of antennas will be described later with reference to FIG. 2.
- the electronic device 100 can communicate with the first base station 110 while being located within a communication range 119 with the first base station 110 .
- the electronic device 100 can communicate with the first base station 110 using a first frequency band with the first frequency (f 1 ) as the center frequency using beamforming technology through the antenna array 109. there is.
- the electronic device 100 may move (108).
- the electronic device 100 may communicate with the second base station 120 while being located within a communication range 129 with the second base station 120.
- the electronic device 100 can communicate with the second base station 120 using a second frequency band with the second frequency (f 2 ) as the center frequency using beamforming technology through the antenna array 109. there is.
- the first frequency (f 1 ) between the electronic device 100 and the first base station 110 and the second frequency (f 2 ) between the electronic device 100 and the second base station 120 may be different. Meanwhile, the difference between the first frequency (f 1 ) and the second frequency (f 2 ) may be relatively large.
- the center frequency of the n257 band of FR (frequency range) 2 of NR (New Radio) proposed in 3GPP may be 28 GHz
- the center frequency of the n258 band is 26 GHz
- the center frequency of the n259 band is 41 GHz
- the center frequency of the n260 band may be 39GHz.
- the difference between the center frequencies of the n257 band and the n258 band may be 2 GHz, and the range of frequencies that the electronic device 101 must cover may be relatively large. Accordingly, the electronic device 100 may require broadband operation. Broadband operation of the electronic device 100 means that the electronic device 100 operates normally (or above a specified level) at different frequencies (e.g., the first frequency (f 1 ) and the second frequency (f 2 )) included in a wide range. It can mean operating with ability. Wideband operation of the electronic device 100 can be achieved through a phase shifter, which will be described later. There is no limit to the fields to which the wideband operation of the electronic device 100 is applied.
- FIG. 2 is a diagram illustrating a phase shifter included in an electronic device according to an embodiment.
- the electronic device 100 may include antennas 248, 258, and 268 that generate RF signals (eg, sub-RF signals).
- the electronic device 100 may include phase shifters 240, 250, and 260 that adjust the phase (or delay) of signals input to the antennas 248, 258, and 268.
- the electronic device 100 may include amplifiers 247, 257, and 267 that amplify RF signals input to the antennas 248, 258, and 268. Amplifiers 247, 257, and 267 may amplify RF signals received through antennas 248, 258, and 268.
- the electronic device 100 may include a radio frequency integrated circuit (RFIC) 220 that provides a radio frequency (RF) signal.
- RFIC radio frequency integrated circuit
- the electronic device 100 may include a splitter/combiner 270 that splits the RF signal provided from the RFIC 220 into phase shifters 240, 250, and 260.
- RF signals received through the antennas 248, 258, and 268 may be combined by the splitter/combiner 270 and provided to the RFIC 220.
- Each phase of an RF signal (e.g., sub-RF signal) may be adjusted for beamforming.
- the RF signal (e.g., sub-RF signal) is a transmitted RF signal and/or input to each of the phase shifters 240, 250, and 260 after being branched by the combiner/splitter 270. It may refer to a received RF signal applied to each of the phase shifters 240, 250, and 260 before being combined by the combiner/splitter 270.
- RFIC 220 may support designated high-frequency bands (e.g., mmWave bands). Although only one RFIC 220 is shown in FIG. 2, there is no limit to the number of RFICs 220 included in the electronic device 100.
- Processor 210 e.g., modem
- the RFIC 220 may convert the baseband signal generated by the processor 210 into an RF signal in a designated high frequency band.
- the RFIC 220 receives RF signals provided through the splitter/combiner 270 (e.g., RF signals received through the antennas 248, 258, and 268) are transmitted through the splitter/combiner 270.
- the electronic device 100 may include an intermediate frequency integrated circuit (IFIC) separately from the RFIC 220 or at least as a part thereof.
- the IFIC can convert the baseband signal generated by the processor 210 into an RF signal (hereinafter referred to as an IF signal) in an intermediate frequency band and then transmit the IF signal to the RFIC 220.
- the RFIC 220 can convert the IF signal into an RF signal in a designated high frequency band.
- an RF signal may be received from the outside through antennas 248, 258, and 268 and converted into an IF signal by RFIC 220.
- IFIC can convert the IF signal into a baseband signal so that the processor 210 can process it.
- Phase shifters 240, 250, and 260 may adjust the phase of the RF signal branched by the splitter/combiner 270.
- the antennas 248, 258, and 268 may receive a transmitted RF signal whose phase has been adjusted by the phase shifters 240, 250, and 260.
- Phase shifters 240, 250, and 260 may adjust the phase of RF signals received through antennas 248, 258, and 268.
- Splitter/combiner 270 may combine received RF signals whose phases have been adjusted by phase shifters 240, 250, and 260.
- Each of the phase shifters 240, 250, and 260 may be electrically connected to each of the antennas 248, 258, and 268.
- the phase shifters 240, 250, and 260 may be composed of multiple units.
- the phase shifters 240, 250, and 260 may be controlled in units of 6 bits.
- the bit is a phase shifter included in each of the phase shifters 240, 250, and 260 (e.g., the sub phase shifters 241, 242, 243, 244, 245, 246, 251, 252, 253, 254, 255, 256, 261, 262, 263, 264, 265, 266).
- the phase shifter is controlled in units of 6 bits, meaning that the 6 sub-phase shifters included in the phase shifter are controlled by a 6-bit control signal.
- the first phase shifter 240 includes a first sub-phase shifter 241, a second sub-phase shifter 242, a third sub-phase shifter 243, a fourth sub-phase shifter 244, It may include a fifth sub-phase shifter 245, a sixth sub-phase shifter 246, a first sub-phase shifter 241, a second sub-phase shifter 242, and a third sub-phase.
- the shifter 243, the fourth sub-phase shifter 244, the fifth sub-phase shifter 245, and the sixth sub-phase shifter 246 can each adjust the phase of the RF signal by a designated phase.
- the first sub-phase shifter 241 may adjust the phase by the first phase (eg, 90 degrees). Outputs an RF signal in the same phase as the RF signal input to the , or outputs an RF signal whose phase is adjusted by the first phase (e.g., 90 degrees) from the phase of the RF signal input to the first sub-phase shifter 241.
- the second sub-phase shifter 242 can adjust the phase by the second phase (eg, 45 degrees). Outputs an RF signal that is in phase with the RF signal input to the second sub-phase shifter 242, or has a phase adjusted by a second phase (e.g., 45 degrees) from the phase of the RF signal input to the second sub-phase shifter 242.
- a signal can be output.
- the third sub-phase shifter 243 may adjust the phase by the third phase (eg, 11.25 degrees).
- the third sub-phase shifter 243 outputs an RF signal in the same phase as the RF signal input to the third sub-phase shifter 243, or changes the phase of the RF signal input to the third sub-phase shifter 243. It is possible to output an RF signal with a phase adjusted by the third phase (e.g., 11.25 degrees).
- the fourth sub-phase shifter 244 may adjust the phase by the fourth phase (eg, 5.625 degrees).
- the fourth sub-phase shifter 244 outputs an RF signal in the same phase as the RF signal input to the fourth sub-phase shifter 244, or changes the phase of the RF signal input to the fourth sub-phase shifter 244. It is possible to output an RF signal with a phase adjusted by the fourth phase (e.g., 5.625 degrees).
- the fifth sub-phase shifter 245 may adjust the phase by the fifth phase (eg, 22.5 degrees).
- the fifth sub-phase shifter 245 outputs an RF signal in the same phase as the RF signal input to the fifth sub-phase shifter 245, or changes the phase of the RF signal input to the fifth sub-phase shifter 241.
- the sixth sub-phase shifter 246 may adjust the phase by the sixth phase (eg, 180 degrees).
- the sixth sub-phase shifter 246 outputs an RF signal in the same phase as the RF signal input to the sixth sub-phase shifter 246, or changes the phase of the RF signal input to the sixth sub-phase shifter 246. It is possible to output an RF signal with a phase adjusted by the sixth phase (e.g., 180 degrees).
- the first phase shifter 240 includes a first sub-phase shifter 241, a second sub-phase shifter 242, a third sub-phase shifter 243, a fourth sub-phase shifter 244, Through the fifth sub-phase shifter 245 and the sixth sub-phase shifter 246, the phase can be adjusted by a designated phase.
- Processor 210 may determine the phase to be adjusted by phase shifters 240, 250, and 260.
- Processor 210 may provide control signals to phase shifters 240, 250, and 260.
- the phase shifters 240, 250, and 260 may adjust the phase by a specified phase according to a control signal provided by the processor 210.
- the processor 210 controls to adjust the phases in the first sub-phase shifter 241, the fourth sub-phase shifter 244, and the sixth sub-phase shifter 246.
- a signal e.g. 1, 0, 0, 1, 0, 1 can be provided.
- the sub-phase shifter corresponding to the control signal can perform phase adjustment.
- the sub-phase shifter corresponding to the control signal may output an output RF signal in phase with the input RF signal without performing phase adjustment.
- the phase of the output RF signal of the first phase shifter 240 varies from the phase of the input RF signal to that of the first sub-phase shifter 241, the fourth sub-phase shifter 244, and the sixth sub-phase
- the phase adjusted by each of the shifters 246 e.g., by 275.625 degrees, which is the sum of the first phase (e.g., 90 degrees), the fourth phase (e.g., 5.625 degrees), and the sixth phase (e.g., 180 degrees).
- the phase adjusted by each of the shifters 246 e.g., by 275.625 degrees, which is the sum of the first phase (e.g., 90 degrees), the fourth phase (e.g., 5.625 degrees), and the sixth phase (e.g., 180 degrees).
- the first phase e.g. 90 degrees
- the fourth phase e.g., 5.625 degrees
- the sixth phase e.g. 180 degrees
- the processor 210 includes a second phase shifter 250 (e.g., sub-phase shifters 251, 252, 253, 254, 255, and 256 included in the second phase shifter 250) and /Or, the control signal can also be provided by the third phase shifter 260 (e.g., the sub-phase shifters 261, 262, 263, 264, 265, 266) included in the third phase shifter 260. there is.
- a second phase shifter 250 e.g., sub-phase shifters 251, 252, 253, 254, 255, and 256 included in the second phase shifter 250
- the control signal can also be provided by the third phase shifter 260 (e.g., the sub-phase shifters 261, 262, 263, 264, 265, 266) included in the third phase shifter 260.
- FIG. 2 shows a circuit diagram of the sixth sub-phase shifter 246 included in the first phase shifter 240.
- the circuit diagram of the sixth sub-phase shifter 246 (hereinafter referred to as the phase shifter 246) will be described with reference to FIG. 3.
- Figure 3 is a circuit diagram of a phase shifter according to an embodiment.
- the phase shifter 246 of FIG. 3 may be the sixth sub-phase shifter 246 included in the first phase shifter 240 of FIG. 2 .
- the phase shifter 246 of FIG. 3 can adjust the phase by a specified phase.
- the phase shifter 246 of FIG. 3 can adjust the phase by 180 degrees.
- the phase shifter 246 outputs an RF signal in the same phase as the RF signal input to the phase shifter 246, or has a phase adjusted by 180 degrees from the phase of the RF signal input to the phase shifter 246.
- RF signals can be output.
- the phase shifter 246 may include a center tap transformer 330, a first switch 310, and a second switch 320.
- the center tap transformer 330 includes a first inductor 331, a second inductor 332 magnetically coupled to the first inductor 331, and a center inductor connected to the first inductor 331. It may include a tap capacitor 333.
- the center tap capacitor 333 may be connected to the first point of the first inductor 331.
- the first inductor 331 may be divided into a first sub-inductor and a second sub-inductor based on the first point where the center tap capacitor 333 is connected.
- the inductance of the first sub-inductor of the primary inductor 331 divided by the first point may be substantially the same as the inductance of the second sub-inductor of the primary inductor 331 divided by the first point. there is.
- phase shifter 246 of FIG. 3 may have difficulty performing a wideband operation because the filter structure operates in a narrow band.
- the phase shifter 246 of FIG. 3 may be capable of wideband operation by including a center tap transformer 330. Because the transfer function between both ports of a transformer (e.g., center tap transformer 330) has one additional pole compared to the transfer function between both ports of a filter structure consisting of only an inductor and a capacitor, the center tap transformer The phase shifter 246 including 330 can perform wideband operation.
- the phase shifter 246 can output an RF signal of equal phase using the center tap transformer 330.
- the phase shifter 246 may use the first switch 310, the second switch 320, and the center tap transformer 330 to perform a constant phase delay over a wide band.
- the wideband operation of the phase shifter 246 will be further described in FIGS. 10 to 17.
- the first switch 310 may be electrically connected to the first terminal of the first inductor 331.
- the first switch 310 can selectively connect the input terminal 391 of the phase shifter 246 and the first terminal of the primary inductor 331.
- the input terminal 391 of the phase shifter 246 and the first terminal of the primary inductor 331 may be electrically connected.
- the RF signal input through the input terminal 391 of the phase shifter 246 may be transmitted to the first terminal of the first inductor 331.
- the input terminal 391 of the phase shifter 246 and the first terminal of the primary inductor 331 may not be electrically connected. Something that is not electrically connected can be said to be electrically blocked.
- the RF signal input through the input terminal 391 of the phase shifter 246 may not be transmitted to the first terminal of the first inductor 331.
- the second switch 320 may be electrically connected to the second terminal of the first inductor 331.
- the second switch 320 can selectively connect the input terminal 391 of the phase shifter 246 and the second terminal of the primary inductor 331.
- the input terminal 391 of the phase shifter 246 and the second terminal of the first inductor 331 may be electrically connected.
- the RF signal input through the input terminal 391 of the phase shifter 246 may be transmitted to the second terminal of the first inductor 331.
- the second switch 320 is in the off state
- the input terminal 391 of the phase shifter 246 and the second terminal of the first inductor 331 may not be electrically connected.
- the RF signal input through the input terminal 391 of the phase shifter 246 may not be transmitted to the second terminal of the first inductor 331.
- the first inductor 331 and the second inductor 322 may be magnetically coupled. Based on the RF signal provided to the first inductor 331, a magnetic field may be provided around the first inductor 331. Based on the magnetic field provided around the first inductor 331, an RF signal may be induced in the second inductor 332. Based on the direction (or phase) of the RF signal provided to the first inductor 331, the direction of the magnetic field provided around the first inductor 331 may be determined. Based on the direction of the magnetic field provided around the first inductor 331, the direction (or phase) of the RF signal induced in the second inductor 332 may be determined. For example, as shown in FIG.
- the winding direction of the first inductor 331 and the winding direction of the second inductor 322 may be the same. As shown in FIG. 5, since the winding direction of the first inductor 331 and the winding direction of the second inductor 322 are the same, when current flows to the first inductor 331 through the first switch 310, Current may flow from the output terminal 392 to the ground through the secondary inductor 332. As shown in FIG. 5, since the winding direction of the first inductor 331 and the winding direction of the second inductor 322 are the same, when current flows to the first inductor 331 through the second switch 320, Current may flow from the contact to the output terminal 392 in the secondary inductor 332.
- the phase shifter 246 is inductively in phase with the RF signal input to the input terminal 391 of the phase shifter 246 according to the on/off of the first switch 310 and the second switch 320.
- the RF signal or the induced RF signal having a phase difference of 180 degrees from the RF signal input to the input terminal 391 may be output through the output terminal 392. This will be described in more detail with reference to Figure 4.
- FIG. 4 is a flowchart of a phase shifter and a method of operating an electronic device including a phase shifter according to an embodiment.
- FIG. 4 can be explained with reference to FIGS. 3, 5, and 6.
- FIG. 5 is a diagram illustrating a phase shifter and an operation of an electronic device including a phase shifter according to an embodiment.
- FIG. 6 is a diagram illustrating a phase shifter and an operation of an electronic device including a phase shifter according to an embodiment.
- the electronic device 100 (e.g., processor 210) operates while the first RF signal is input to the input terminal 391 of the phase shifter 246.
- the first switch 310 included in the phase shifter 246 can be controlled to be in the on state and the second switch 320 included in the phase shifter 246 can be controlled to be in the off state.
- the processor 210 may provide a control signal that controls the first switch 310 to be turned on and the second switch 320 to be turned off.
- the first switch 310 may be controlled to be turned on by the first control signal 501 (eg, 1).
- the first switch 310 When the first switch 310 is in the on state, the first switch 310 may be electrically short-circuited.
- the RF signal input to the input terminal of the phase shifter 246 may be provided to the first terminal of the first inductor 331.
- the second switch 320 may be controlled to be in an off state by the second control signal 502 (eg, 0). In the off state of the second switch 320, the second switch 320 may be electrically open. When the second switch 320 is in the off state, the RF signal input to the input terminal of the phase shifter 246 may not be provided to the second terminal of the first inductor 331. While the first switch 310 is in the on state and the second switch 320 is in the off state, the first RF signal input to the input terminal 391 of the phase shifter 246 is transmitted through the first switch 310.
- the first switch 310 may be provided as the first stage of the primary inductor 331. While the first switch 310 is in the on state and the second switch 320 is in the off state, the first RF signal input to the input terminal 391 of the phase shifter 246 is electrically connected to the first switch 310. It may be provided in a first direction 510 from the first end of the primary inductor 331 connected to the center tap capacitor 333. Therefore, while the first switch 310 is in the on state and the second switch 320 is in the off state, among the first inductors 331, the first inductor divided by the first point to which the center tap capacitor 333 is connected is connected. The RF signal may be provided only to the first sub-inductor of the primary inductor 331, and the RF signal may not be provided to the second sub-inductor of the primary inductor 331 divided by the first point.
- the first RF signal is input to the input terminal 391 of the phase shifter 246, the first switch 310 is in the on state, and the second switch 320 is in the off state.
- the induced first RF signal 520 which has the same phase as the first RF signal input to the input terminal 391 of the phase shifter 246, is connected to the second inductor 332. ) can be output through the output terminal 392.
- the electronic device 100 (e.g., processor 210) operates the phase shifter 246 while the second RF signal is input to the input terminal 391 of the phase shifter 246. ) can be controlled to be in the off state and the second switch 320 included in the phase shifter 246 can be controlled to be in the on state.
- the processor 210 may provide a control signal to control the first switch 310 to be turned off and the second switch 320 to be turned on.
- the first switch 310 may be controlled to be in an off state by the third control signal 601 (eg, 0).
- the first switch 310 may be electrically open.
- the RF signal input to the input terminal of the phase shifter 246 may not be provided to the first terminal of the first inductor 331.
- the second switch 320 may be controlled to be in the on state by the fourth control signal 602 (eg, 1).
- the second switch 320 may be electrically short-circuited.
- the RF signal input to the input terminal of the phase shifter 246 may be provided to the second terminal of the first inductor 331.
- the second RF signal input to the input terminal 391 of the phase shifter 246 is transmitted through the second switch 320.
- the second RF signal input to the input terminal 391 of the phase shifter 246 is electrically connected to the second switch 320. It may be provided in a second direction 610 from the second end of the primary inductor 331 connected to the center tap capacitor 333. Therefore, while the first switch 310 is in the off state and the second switch 320 is in the on state, the first inductor 331 divided by the first point to which the center tap capacitor 333 is connected is connected.
- the RF signal may be provided only to the second sub-inductor of the primary inductor 331, and the RF signal may not be provided to the first sub-inductor of the primary inductor 331 divided by the first point.
- the second RF signal is input to the input terminal 391 of the phase shifter 246, the first switch 310 is in the off state, and the second switch 320 is in the on state.
- the induced second RF signal 620 which has a phase difference of 180 degrees from the second RF signal input to the input terminal 391 of the phase shifter 246, is connected to the second inductor 332. It can be output through the output terminal 392 of (246). If the phase of the first RF signal input in operation 401 and the phase of the second RF signal input in operation 405 are the same, the phase of the induced second RF signal output in operation 407 is the phase of the induced first RF signal output in operation 403. 1 The phase may be 180 degrees delayed from the phase of the RF signal.
- Figure 7 is a circuit diagram of a phase shifter according to an embodiment.
- Figure 8 is a circuit diagram of a phase shifter according to an embodiment.
- phase shifter including a matching circuit (e.g., first matching circuit 710, and/or second matching circuit 720) can be described.
- a phase shifter e.g., phase shifter 246 including additional inductors (e.g., third inductor 810 and fourth inductor 820) may be described.
- the phase shifter 246 includes a center tap transformer 330, a first switch 310, a second switch 320, and a matching circuit (e.g., a first matching circuit 710, and /or may include a second matching circuit 720). 7 is shown as including both the first matching circuit 710 and the second matching circuit 720, but the phase shifter 246 includes the first matching circuit 710 or the second matching circuit ( 720) may include only one of the following.
- the phase shifter 246 may include a first matching circuit 710 electrically connected to the first switch 310 and the second switch 320 .
- the phase shifter 246 may include a second matching circuit 720 electrically connected to the first terminal of the secondary inductor 332. The second end of the secondary inductor 332 may be connected to ground.
- the matching circuit may include an inductor and/or a capacitor.
- a matching circuit eg, the first matching circuit 710 and/or the second matching circuit 720
- the first matching circuit 710 may be a circuit for matching impedance (eg, 50 ohm) in the direction of the input terminal 391 of the phase shifter 246.
- the second matching circuit 720 may be a circuit for matching impedance (eg, 50 ohm) in the direction of the output terminal 392 of the phase shifter 246.
- the first matching circuit 710 may include a first capacitor 830. Based on the capacitance of the first capacitor 830, the impedance in the direction of the input terminal 391 of the phase shifter 246 may be matched.
- the second matching circuit 720 may include a second capacitor 840. Based on the capacitance of the second capacitor 840, impedance matching in the direction of the output terminal 392 of the phase shifter 246 may be achieved.
- the phase shifter 246 may include additional inductors (eg, a third inductor 810 and a fourth inductor 820).
- the phase shifter 246 includes a third inductor 810 electrically connected between the first switch 310 and the first end of the first inductor 331, and a second It may include a fourth inductor 820 electrically connected between the switch 320 and the second end of the first inductor 331.
- the inductance of the third inductor 810 and the inductance of the fourth inductor 820 may be substantially the same.
- the phase shifter 246 may form a symmetrical structure by including a third inductor 810 and a fourth inductor 820 whose inductance is substantially the same.
- the third inductor 810 and the fourth inductor 820 can facilitate impedance matching of the phase shifter 246.
- the phase shifter 246 may include a capacitor connected in parallel to the primary inductor 331 of the center tap transformer 330.
- Figure 9 is a diagram explaining a circuit of a phase shifter according to an embodiment.
- FIG. 9 is a diagram showing a circuit corresponding to the circuit diagram of the phase shifter 246 in FIG. 3.
- the phase shifter 246 may include a center tap transformer 330, a first switch 310, and a second switch 320, as described in FIG. 3.
- the first inductor (e.g., 331 in FIG. 3) and the second inductor (e.g., 332 in FIG. 3) of the center tap transformer 330 may be formed on the same layer of one substrate.
- the first inductor (e.g., 331 in FIG. 3) and the second inductor (e.g., 332 in FIG. 3) of the center tap transformer 330 may be formed in different layers.
- the center tap capacitor 333 included in the center tap transformer 330 may be implemented as two equivalent capacitors as shown in FIG. 9.
- the center tap capacitor 333 may be implemented with a plurality of capacitors, and there is no limit to the number and connection relationship of the plurality of capacitors included in the center tap capacitor 333.
- portion 933 may be a portion where the first point of the first inductor (e.g., 331 in FIG. 3 ) and the center tap capacitor 333 are connected.
- the circuit in FIG. 9 is an example, and there are no restrictions on the actual configuration of the circuit of the phase shifter 246.
- 10 is a graph of input return loss of a phase shifter according to an embodiment.
- 11 is a graph of output return loss of a phase shifter according to an embodiment.
- 12 is a graph of insertion loss of a phase shifter according to an embodiment.
- Figure 13 is a graph of the phase of a signal output from a phase shifter according to an embodiment.
- the electronic device 100 may adjust the phase using the phase shifter 246.
- 10 is a graph showing the input return loss 1000 of the phase shifter 246.
- 11 is a graph showing the output return loss 1100 of the phase shifter 246.
- the frequency band in which the input/output reflection loss of the phase shifter (e.g., the phase shifter 246) is 10 dB or less can be referred to as the operating frequency band.
- the operating frequency band of the phase shifter 246 of FIGS. 3, 7, and 8 is 22 GHz to 32 GHz.
- 12 is a graph showing the insertion loss 1200 of the phase shifter 246. Referring to FIG. 12, it can be seen that the insertion loss of the phase shifter 246 is 2.8 dB or less in the operating frequency band of 22 GHz to 32 GHz.
- Figure 13 is a graph of the phase of the signal output from the phase shifter 246. Referring to the difference between 1310 and 1320 in FIG. 13, the phase change (180 degrees) of the signal output from the phase shifter 246 can be confirmed. As a result, it can be seen that the phase shifter 246 is a circuit that can adjust the phase by 180 degrees in the operating frequency band of 22GHz to 32GHz.
- 14 is a graph of input return loss of a phase shifter according to an embodiment.
- 15 is a graph of output return loss of a phase shifter according to an embodiment.
- 16 is a graph of insertion return loss of a phase shifter according to an embodiment.
- 17 is a root mean square (RMS) average graph of phase error of a phase shifter according to an embodiment.
- RMS root mean square
- the electronic device 100 may adjust the phase using a 6-bit phase shifter (eg, the first phase shifter 240 of FIG. 2) including the phase shifter 246.
- a 6-bit phase shifter eg, the first phase shifter 240 of FIG. 2
- a plurality of result values (result graphs) displayed in each of the graphs of FIGS. 14, 15, and 16 are included in the 6-bit phase shifter including the phase shifter 246 of FIGS. 3, 7, and 8. These are the result values when adjusting each sub-phase shifter.
- FIG. 14 is a graph showing the input return loss of a 6-bit phase shifter (eg, the first phase shifter 240 of FIG. 2) including the phase shifter 246.
- FIG. 15 is a graph showing the output return loss of a 6-bit phase shifter (eg, the first phase shifter 240 of FIG. 2) including the phase shifter 246.
- the frequency band in which the input and output return loss of the 6-bit phase shifter (e.g., the first phase shifter 240 in FIG. 2) including the phase shifter 246 is 10 dB or less is referred to as the operating frequency band. You can.
- the 6-bit phase shifter e.g., the first phase shifter 240 of FIG.
- FIG. 16 is a graph showing the insertion loss 1200 of a 6-bit phase shifter (eg, the first phase shifter 240 of FIG. 2) including the phase shifter 246.
- the insertion loss of the 6-bit phase shifter is 6.9 dB to 10.3 dB.
- phase error may indicate how much the target value and actual value of the phase shift of the phase shifter differ.
- 1700 in FIG. 17 represents each control signal (e.g., 6-bit control signal) of the 6-bit phase shifter (e.g., the first phase shifter 240 in FIG. 2) including the phase shifter 246.
- This is a graph showing the phase error as the RMS (root mean square) average for all cases of high and low adjustment (e.g., 64 operations). Referring to 1700 in FIG.
- the phase error of the 6-bit phase shifter (e.g., the first phase shifter 240 in FIG. 2) including the phase shifter 246 is in the operating frequency band of 24 GHz to 30 GHz. , it can be confirmed that it is less than 2.8 degrees. As a result, it can be confirmed that the 6-bit phase shifter including the phase shifter 246 (e.g., the first phase shifter 240 in FIG. 2) operates in an operating frequency band of 24 GHz to 30 GHz.
- the phase shifter 246 includes a first inductor 331, a second inductor 332 magnetically coupled to the first inductor 331, and the first inductor 332.
- the induction signal has the same phase as the first RF signal input to the input terminal 391 of the phase shifter 246.
- the first RF signal may be output through the output terminal 392 of the phase shifter 246 connected to the second inductor 332.
- the first switch 310 is in the off state and the second switch 320 is in the on state, there is a phase difference of 180 degrees from the second RF signal input to the input terminal 391 of the phase shifter 246.
- the induced second RF signal may be output through the output terminal 392 of the phase shifter 246.
- the center tap capacitor 333 may be connected to the first point of the first inductor 331.
- the inductance of the first sub-inductor of the primary inductor 331 divided by the first point is substantially equal to the inductance of the second sub-inductor of the primary inductor 331 divided by the first point. can be the same.
- the phase shifter 246 may include a first matching circuit 710 electrically connected to the first switch 310 and the second switch 320.
- the first matching circuit 710 may include a first capacitor 830.
- the phase shifter 246 may include a second matching circuit 720 electrically connected to the first end of the secondary inductor 332.
- the phase shifter 246 may include a third inductor 810 electrically connected between the first switch 310 and the first end of the first inductor 331; And it may include a fourth inductor 820 electrically connected between the second switch 320 and the second end of the first inductor 331.
- the inductance of the third inductor 810 and the inductance of the fourth inductor 820 may be substantially the same.
- the winding directions of the first inductor 331 and the second inductor 332 may be the same.
- the electronic device 100 includes antennas 248, 258, and 268; Phase shifters (240, 250, 260) connected to the antennas (248, 258, 268); A splitter/combiner (270) connected to the phase shifters (240, 250, 260); an RFIC (220) configured to provide an RF signal to the phase shifters (240, 250, 260) through the splitter/combiner (270); and a processor 210.
- the first phase shifter 246 includes a first inductor 331 and a second inductor magnetically coupled to the first inductor 331.
- It may include a second switch 320 that does.
- the processor 210 may be set to control on/off of the first switch 310 and the second switch 320.
- the first switch 310 While the first switch 310 is in the on state and the second switch 320 is in the off state, the first RF signal input to the input terminal 391 of the first phase shifter 246 is in phase with the first RF signal.
- the induced first RF signal may be output through the output terminal 392 of the first phase shifter 246 connected to the second inductor 332.
- An induced second RF signal having a difference may be output through the output terminal 392 of the first phase shifter 246.
- the center tap capacitor 333 may be connected to the first point of the first inductor 331.
- the inductance of the first sub-inductor of the primary inductor 331 divided by the first point is substantially equal to the inductance of the second sub-inductor of the primary inductor 331 divided by the first point. can be the same.
- the first phase shifter 246 may include a first matching circuit 710 electrically connected to the first switch 310 and the second switch 320.
- the first matching circuit 710 may include a first capacitor 830.
- the first phase shifter 246 may include a second matching circuit 720 electrically connected to the first terminal of the second inductor 332.
- the first phase shifter 246 may include a third inductor 810 electrically connected between the first switch 310 and the first end of the first inductor 331; And it may include a fourth inductor 820 electrically connected between the second switch 320 and the second end of the first inductor 331.
- the inductance of the third inductor 810 and the inductance of the fourth inductor 820 may be substantially the same.
- the winding directions of the first inductor 331 and the second inductor 332 may be the same.
- Electronic devices may be of various types. Electronic devices may include, for example, portable communication devices (e.g., smartphones), computer devices, portable multimedia devices, portable medical devices, cameras, wearable devices, or home appliances. Electronic devices according to embodiments of this document are not limited to the above-described devices.
- first, second, or first or second may be used simply to distinguish one component from another, and to refer to those components in other respects (e.g., importance or order) is not limited.
- One (e.g., first) component is said to be “coupled” or “connected” to another (e.g., second) component, with or without the terms “functionally” or “communicatively.”
- module used in the embodiments of this document may include a unit implemented in hardware, software, or firmware, and is interchangeable with terms such as logic, logic block, component, or circuit, for example. can be used
- a module may be an integrated part or a minimum unit of the parts or a part thereof that performs one or more functions.
- the module may be implemented in the form of an application-specific integrated circuit (ASIC).
- ASIC application-specific integrated circuit
- Embodiments of this document are software (software) including one or more instructions stored in a storage medium (e.g., internal memory or external memory) that can be read by a machine (e.g., wireless power transmission device 100) For example, it can be implemented as a program).
- a processor e.g., processor 201 of a device (e.g., wireless power transmission device 100) may call at least one command among one or more commands stored from a storage medium and execute it. This allows the device to be operated to perform at least one function according to the at least one instruction called.
- the one or more instructions may include code generated by a compiler or code that can be executed by an interpreter.
- a storage medium that can be read by a device may be provided in the form of a non-transitory storage medium.
- 'non-transitory' only means that the storage medium is a tangible device and does not contain signals (e.g. electromagnetic waves). This term refers to cases where data is stored semi-permanently in the storage medium. There is no distinction between temporary storage cases.
- the method according to the embodiments disclosed in this document may be provided and included in a computer program product.
- Computer program products are commodities and can be traded between sellers and buyers.
- the computer program product may be distributed in the form of a machine-readable storage medium (e.g. compact disc read only memory (CD-ROM)) or through an application store (e.g. Play StoreTM) or on two user devices (e.g. It can be distributed (e.g. downloaded or uploaded) directly between smart phones) or online.
- a portion of the computer program product may be at least temporarily stored or temporarily created in a machine-readable storage medium, such as the memory of a manufacturer's server, an application store's server, or a relay server.
- each component (e.g., module or program) of the above-described components may include a single or multiple entities, and some of the multiple entities may be separately arranged in other components.
- one or more of the components or operations described above may be omitted, or one or more other components or operations may be added.
- multiple components eg, modules or programs
- the integrated component may perform one or more functions of each component of the plurality of components identically or similarly to those performed by the corresponding component of the plurality of components prior to the integration. .
- operations performed by a module, program, or other component may be executed sequentially, in parallel, iteratively, or heuristically, or one or more of the operations may be executed in a different order, omitted, or , or one or more other operations may be added.
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Abstract
Description
Claims (15)
- 위상 천이기(246)에 있어서,제 1 차 인덕터(331), 상기 제 1 차 인덕터(331)와 자기적으로 커플링되는 제 2 차 인덕터(332), 및 상기 제 1 차 인덕터(331)에 연결되는 센터탭 커패시터(333)를 포함하는 센터탭 트랜스포머(330);상기 제 1 차 인덕터(331)의 제 1 단에 전기적으로 연결되어, 상기 위상 천이기(246)의 입력단(391) 및 상기 제 1 차 인덕터(331)의 상기 제 1 단을 선택적으로(selectively) 연결하는 제 1 스위치(310); 및상기 제 1 차 인덕터(331)의 제 2 단에 전기적으로 연결되어, 상기 위상 천이기(246)의 상기 입력단(391) 및 상기 제 1 차 인덕터(331)의 상기 제 2 단을 선택적으로 연결하는 제 2 스위치(320)를 포함하고,상기 제 1 스위치(310)가 온 상태이며 상기 제 2 스위치(320)가 오프 상태인 동안에는, 상기 위상 천이기(246)의 상기 입력단(391)에 입력되는 제 1 RF 신호와 동위상을 가지는 유도된 제 1 RF 신호가 상기 제 2 차 인덕터(332)에 연결되는 상기 위상 천이기(246)의 출력단(392)을 통하여 출력되고,상기 제 1 스위치(310)가 오프 상태이며 상기 제 2 스위치(320)가 온 상태인 동안에는, 상기 위상 천이기(246)의 상기 입력단(391)에 입력되는 제 2 RF 신호와 180도의 위상 차이를 가지는 유도된 제 2 RF 신호가 상기 위상 천이기(246)의 상기 출력단(392)을 통하여 출력되는,위상 천이기(246).
- 제 1 항에 있어서,상기 센터탭 커패시터(333)는 상기 제 1 차 인덕터(331)의 제 1 지점에 연결되며, 상기 제 1 지점에 의하여 분할되는 상기 제 1 차 인덕터(331)의 제 1 서브 인덕터의 인덕턴스는, 상기 제 1 지점에 의하여 분할되는 상기 제 1 차 인덕터(331)의 제 2 서브 인덕터의 인덕턴스와 실질적으로 동일한,위상 천이기(246).
- 제 1 항 또는 제 2 항에 있어서,상기 제 1 스위치(310) 및 상기 제 2 스위치(320)에 전기적으로 연결되는 제 1 정합 회로(710)를 더 포함하는,위상 천이기(246).
- 제 1 항 내지 제 3 항 중 적어도 하나의 항에 있어서,상기 제 1 정합 회로(710)는 제 1 커패시터(830)를 포함하는,위상 천이기(246).
- 제 1 항 내지 제 4 항 중 적어도 하나의 항에 있어서,상기 제 2 차 인덕터(332)의 제 1 단에 전기적으로 연결되는 제 2 정합 회로(720)를 더 포함하는,위상 천이기(246).
- 제 1 항 내지 제 5 항 중 적어도 하나의 항에 있어서,상기 제 1 스위치(310) 및 상기 제 1 차 인덕터(331)의 상기 제 1 단 사이에 전기적으로 연결되는 제 3 인덕터(810); 및상기 제 2 스위치(320) 및 상기 제 1 차 인덕터(331)의 상기 제 2 단 사이에 전기적으로 연결되는 제 4 인덕터(820)를 더 포함하는,위상 천이기(246).
- 제 1 항 내지 제 6 항 중 적어도 하나의 항에 있어서,상기 제 3 인덕터(810)의 인덕턴스와 상기 제 4 인덕터(820)의 인덕턴스는 실질적으로 동일한,위상 천이기(246).
- 제 1 항 내지 제 7 항 중 적어도 하나의 항에 있어서,상기 제 1 차 인덕터(331) 및 상기 제 2 차 인덕터(332)의 권선 방향은 동일한,위상 천이기(246).
- 전자 장치(100)에 있어서,안테나들(248, 258, 268);상기 안테나들(248, 258, 268)에 연결되는 위상 천이기들(240, 250, 260);상기 위상 천이기들(240, 250, 260)에 연결되는 스플리터/컴바이너(270);상기 스플리터/컴바이너(270)를 통해 상기 위상 천이기들(240, 250, 260)로 RF 신호를 제공하도록 설정되는 RFIC(220); 및프로세서(210)를 포함하고,상기 위상 천이기들(240, 250, 260) 중 제 1 위상 천이기(246)는,제 1 차 인덕터(331), 상기 제 1 차 인덕터(331)와 자기적으로 커플링되는 제 2 차 인덕터(332), 및 상기 제 1 차 인덕터(331)에 연결되는 센터탭 커패시터(333)를 포함하는 센터탭 트랜스포머(330);상기 제 1 차 인덕터(331)의 제 1 단에 전기적으로 연결되어, 상기 제 1 위상 천이기(246)의 입력단(391) 및 상기 제 1 차 인덕터(331)의 상기 제 1 단을 선택적으로(selectively) 연결하는 제 1 스위치(310); 및상기 제 1 차 인덕터(331)의 제 2 단에 전기적으로 연결되어, 상기 위상 천이기의 상기 입력단(391) 및 상기 제 1 차 인덕터(331)의 상기 제 2 단을 선택적으로(selectively) 연결하는 제 2 스위치(320)를 포함하고,상기 프로세서(210)는, 상기 제 1 스위치(310) 및 상기 제 2 스위치(320)의 온/오프를 제어하도록 설정되고,상기 제 1 스위치(310)가 온 상태이며 상기 제 2 스위치(320)가 오프 상태인 동안에는, 상기 제 1 위상 천이기(246)의 상기 입력단(391)에 입력되는 제 1 RF 신호와 동위상을 가지는 유도된 제 1 RF 신호가 상기 제 2 차 인덕터(332)에 연결되는 상기 제 1 위상 천이기(246)의 출력단(392)을 통하여 출력되고,상기 제 1 스위치(310)가 오프 상태이며 상기 제 2 스위치(320)가 온 상태인 동안에는, 상기 제 1 위상 천이기(246)의 상기 입력단(391)에 입력되는 제 2 RF 신호와 180도의 위상 차이를 가지는 유도된 제 2 RF 신호가 상기 제 1 위상 천이기(246)의 상기 출력단(392)을 통하여 출력되는,전자 장치(100).
- 제 9 항에 있어서,상기 센터탭 커패시터(333)는 상기 제 1 차 인덕터(331)의 제 1 지점에 연결되며, 상기 제 1 지점에 의하여 분할되는 상기 제 1 차 인덕터(331)의 제 1 서브 인덕터의 인덕턴스는, 상기 제 1 지점에 의하여 분할되는 상기 제 1 차 인덕터(331)의 제 2 서브 인덕터의 인덕턴스와 실질적으로 동일한,전자 장치(100).
- 제 9 항 또는 제 10 항에 있어서,상기 제 1 위상 천이기(246)는,상기 제 1 스위치(310) 및 상기 제 2 스위치(320)에 전기적으로 연결되는 제 1 정합 회로(710)를 더 포함하는,전자 장치(100).
- 제 9 항 내지 제 11 항 중 적어도 하나의 항에 있어서,상기 제 1 정합 회로(710)는 제 1 커패시터(830)를 포함하는,전자 장치(100).
- 제 9 항 내지 제 12 항 중 적어도 하나의 항에 있어서,상기 제 1 위상 천이기(246)는,상기 제 2 차 인덕터(332)의 제 1 단에 전기적으로 연결되는 제 2 정합 회로(720)를 더 포함하는,전자 장치(100).
- 제 9 항 내지 제 13 항 중 적어도 하나의 항에 있어서,상기 제 1 위상 천이기(246)는,상기 제 1 스위치(310) 및 상기 제 1 차 인덕터(331)의 상기 제 1 단 사이에 전기적으로 연결되는 제 3 인덕터(810); 및상기 제 2 스위치(320) 및 상기 제 1 차 인덕터(331)의 상기 제 2 단 사이에 전기적으로 연결되는 제 4 인덕터(820)를 더 포함하는,전자 장치(100).
- 제 9 항 내지 제 14 항 중 적어도 하나의 항에 있어서,상기 제 3 인덕터(810)의 인덕턴스와 상기 제 4 인덕터(820)의 인덕턴스는 실질적으로 동일한,전자 장치(100).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP23891814.8A EP4597838A4 (en) | 2022-11-14 | 2023-10-04 | PHASE SHIFT DEVICE, ELECTRONIC DEVICE COMPRISING A PHASE SHIFT DEVICE AND ITS OPERATING METHOD |
| US19/200,220 US20250273858A1 (en) | 2022-11-14 | 2025-05-06 | Phase shifter, electronic device comprising phase shifter, and method for operating same |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020220151445A KR20240070074A (ko) | 2022-11-14 | 2022-11-14 | 위상 천이기, 위상 천이기를 포함하는 전자 장치 및 그 동작 방법 |
| KR10-2022-0151445 | 2022-11-14 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US19/200,220 Continuation US20250273858A1 (en) | 2022-11-14 | 2025-05-06 | Phase shifter, electronic device comprising phase shifter, and method for operating same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024106745A1 true WO2024106745A1 (ko) | 2024-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2023/015261 Ceased WO2024106745A1 (ko) | 2022-11-14 | 2023-10-04 | 위상 천이기, 위상 천이기를 포함하는 전자 장치 및 그 동작 방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20250273858A1 (ko) |
| EP (1) | EP4597838A4 (ko) |
| KR (1) | KR20240070074A (ko) |
| WO (1) | WO2024106745A1 (ko) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102880253B1 (ko) | 2024-08-26 | 2025-10-31 | 충남대학교산학협력단 | 역위상 신호 합성을 이용한 위상 천이 감쇠기 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001285006A (ja) * | 2000-03-31 | 2001-10-12 | Hitachi Kokusai Electric Inc | 電圧制御可変位相器 |
| KR20150032370A (ko) * | 2013-09-16 | 2015-03-26 | 한국과학기술원 | 고집적 필터형 위상 천이기 |
| US10523167B2 (en) * | 2016-11-07 | 2019-12-31 | Fujitsu Limited | Variable attenuation device, phase-switching variable attenuation device, and phase shifter |
| US20220231391A1 (en) * | 2021-01-15 | 2022-07-21 | Analog Devices, Inc. | Phase shifter-180 degree topology |
| KR20220112429A (ko) * | 2021-02-04 | 2022-08-11 | 숭실대학교산학협력단 | 다각도의 위상 천이가 가능한 위상 천이기 |
-
2022
- 2022-11-14 KR KR1020220151445A patent/KR20240070074A/ko active Pending
-
2023
- 2023-10-04 WO PCT/KR2023/015261 patent/WO2024106745A1/ko not_active Ceased
- 2023-10-04 EP EP23891814.8A patent/EP4597838A4/en active Pending
-
2025
- 2025-05-06 US US19/200,220 patent/US20250273858A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001285006A (ja) * | 2000-03-31 | 2001-10-12 | Hitachi Kokusai Electric Inc | 電圧制御可変位相器 |
| KR20150032370A (ko) * | 2013-09-16 | 2015-03-26 | 한국과학기술원 | 고집적 필터형 위상 천이기 |
| US10523167B2 (en) * | 2016-11-07 | 2019-12-31 | Fujitsu Limited | Variable attenuation device, phase-switching variable attenuation device, and phase shifter |
| US20220231391A1 (en) * | 2021-01-15 | 2022-07-21 | Analog Devices, Inc. | Phase shifter-180 degree topology |
| KR20220112429A (ko) * | 2021-02-04 | 2022-08-11 | 숭실대학교산학협력단 | 다각도의 위상 천이가 가능한 위상 천이기 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP4597838A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20250273858A1 (en) | 2025-08-28 |
| EP4597838A4 (en) | 2026-01-14 |
| KR20240070074A (ko) | 2024-05-21 |
| EP4597838A1 (en) | 2025-08-06 |
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