WO2012043909A1 - Dispositif de communication à coupleur-circulateur intégré, et amplificateur de doherty pourvu de ce dispositif - Google Patents

Dispositif de communication à coupleur-circulateur intégré, et amplificateur de doherty pourvu de ce dispositif Download PDF

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Publication number
WO2012043909A1
WO2012043909A1 PCT/KR2010/006704 KR2010006704W WO2012043909A1 WO 2012043909 A1 WO2012043909 A1 WO 2012043909A1 KR 2010006704 W KR2010006704 W KR 2010006704W WO 2012043909 A1 WO2012043909 A1 WO 2012043909A1
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WO
WIPO (PCT)
Prior art keywords
circulator
power
transformer
coupler
dielectric substrate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2010/006704
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English (en)
Korean (ko)
Inventor
김태원
강승렬
이용신
강민우
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Partron Co Ltd
Original Assignee
Partron Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Partron Co Ltd filed Critical Partron Co Ltd
Priority to CN201080031753.9A priority Critical patent/CN102577103A/zh
Publication of WO2012043909A1 publication Critical patent/WO2012043909A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/32—Non-reciprocal transmission devices
    • H01P1/38—Circulators
    • H01P1/383—Junction circulators, e.g. Y-circulators
    • H01P1/387—Strip line circulators
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/204—A hybrid coupler being used at the output of an amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/541—Transformer coupled at the output of an amplifier

Definitions

  • the present invention relates to a combiner-circulator capable of being integrally formed, and more particularly, to a combiner-circulator having a plurality of circuits including a combiner formed on a laminated printed circuit board (PCB) Circulator integrated communication device and a Doherty amplifier including the combiner-circulator integrated communication device.
  • PCB printed circuit board
  • a mobile communication network is composed of a base station, a base station controller and an exchange.
  • Such a mobile communication network communicates with a desired one whenever a mobile communication terminal moves freely in a service area formed by a base station. Since each base station is located nationwide, the whole country becomes a mobile communication service area.
  • the exchange establishes a communication path by switching according to a CALL connection request of the mobile communication terminal and is installed for each region or a certain administrative area unit of a certain size according to the processing capacity or the capacity of the capacity, ) Constitute a part of the mobile communication network.
  • the base station is controlled by the base station controller, and the base station controller matches the exchange and constitutes a voice and a non-voice call path.
  • a power amplifier is used in such base station (BTS) equipment.
  • the input / output of the power amplifier includes a power divider that distributes the power input to the power amplifier and a power divider that amplifies the power distributed in the power divider A power amplifier, a power combiner that combines the amplified power from the power amplifier, and a circulator (or isolator) that holds the combined power in the power combiner in a set direction .
  • Each of the devices constituting the base station is generally composed of discrete discrete elements.
  • a power loss occurs in a connection line for connecting the discrete elements.
  • Unnecessary additional loss and cost arise due to the construction of the transmission line. Therefore, integration and integration of individual devices are required to eliminate such unnecessary losses and costs.
  • the main performance factors of the power amplifier are linearity and efficiency, and single devices are simply combined to improve the linearity and efficiency.
  • single devices are simply coupled, linearity and efficiency are simultaneously satisfied
  • Doherty structure power amplifiers have been widely used.
  • the Doherty amplifier which is a proposed power amplifier, typically has a structure in which a carrier amplifier and a peaking amplifier are coupled asymmetrically in parallel.
  • Such a Doherty amplifier is one of the amplifiers used in a high power modulation system of a large power transmitter, for example, a base station, and uses a quarter wave transformer (lambda / 4 line) as a carrier amplifier and a peaking amplifier in parallel Have a structure to connect.
  • a quarter wave transformer (lambda / 4 line) as a carrier amplifier and a peaking amplifier in parallel
  • the peaking amplifier of the Doherty amplifier adjusts the impedance of the load line of the carrier amplifier by varying the amount of current supplied to the load according to the power level so that the efficiency characteristics of the Doherty amplifier .
  • FIG. 1 is a view for explaining a power amplifier including a combiner and a circulator according to the prior art.
  • the power amplifier including a combiner and a circulator includes a first transformer 110, a carrier amplifier 120, a peak amplifier 130, a second transformer 140, a third transformer 140, A directional coupler 160, and a circulator (or isolator)
  • one input signal of the input signal is input to the carrier amplifier 120, and another divided input signal is input to the peak amplifier 130 through the first transformer 110.
  • the first transformer 110 compensates for the delay time difference between the output signal of the peak amplifier 130 and the output signal of the carrier amplifier 120 by delaying the signal input to the peak amplifier 130 by 90 °, do.
  • the Doherty amplifier is inserted with a 1/4 wavelength impedance converter, that is, a second transformer 140, for load modulation in the carrier amplifier 120.
  • a 1/4 wavelength impedance converter for matching to a 50? Load, i.e., a third transformer 150, is inserted, and a drop in circulator 170 is connected.
  • FIG. 2 is a plan view for explaining a state in which a transformer, a directional coupler and a circulator according to the related art are formed on a printed circuit board (PCB)
  • FIG. 3 is a plan view illustrating a transformer, a directional coupler and a circulator shown in FIG. Sectional view taken along line AA 'in FIG.
  • the second transformer 140 is printed on one side of the printed circuit board 100, and the second transformer 140 is printed on one side of the printed circuit board 100.
  • the third transformer 150 is printed on the right side.
  • a line used as the directional coupler 160 is printed on the right side of the third transformer 150.
  • the circulator 170 is mounted on the predetermined insulating member 190.
  • reference numerals 180a, 180b, and 180c denote connection lines connecting peripheral circuits.
  • Fig. 4 is a plan view for explaining a state in which a chip type Doherty coupler, a chip type directional coupler and a circulator are formed on a printed circuit board (PCB) according to the prior art
  • Fig. 5 is a plan view for explaining a chip type Doherty coupler, Type directional coupler and a circulator are formed on a printed circuit board (PCB).
  • the chip type Doherty coupler and the chip type directional coupler and circulator according to the related art are formed on a printed circuit board (PCB)
  • a Doherty coupler 210 is formed, and to the right thereof, a chip-type directional coupler 220 is configured.
  • a circulator 240 is mounted on a predetermined insulating member 230 to the right of the chip type directional coupler 220.
  • the reference numeral 250 is a connection line connecting peripheral circuits.
  • a transformer and a directional coupler are printed on a printed circuit board in a line in a horizontal direction, and a circulator is sequentially mounted on the printed circuit board.
  • the overall size of the power amplifier is increased, which makes it difficult to downsize the base station as a whole .
  • connection line between the transformer and the directional coupler and circulator is also formed in one horizontal direction, a large amount of power loss occurs in the connection line, and unnecessary extra loss and excessive cost are required for connection between the individual devices .
  • the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a printed circuit board (PCB) And a coupler-circulator integrated communication device in which a circulator is formed on an upper portion thereof, and a Doherty amplifier including the same.
  • PCB printed circuit board
  • a coupler-circulator integrated communication device in which a circulator is formed on an upper portion thereof, and a Doherty amplifier including the same.
  • a plasma display panel comprising: a dielectric substrate; At least one transformer formed inside the dielectric substrate; At least one directional coupler formed inside the dielectric substrate; And a circulator mounted on the dielectric substrate.
  • the combiner-circulator integrated communication device includes:
  • the transformer is a 1/4 wavelength impedance converter.
  • the directional coupler may be formed in at least one of the forward power monitor and the reverse power monitor of the circulator.
  • the dielectric substrate may include at least one of a low temperature co-fired ceramic (LTCC) substrate, a polytetrafluoroethylene (PTFE) substrate, and an epoxy.
  • LTCC low temperature co-fired ceramic
  • PTFE polytetrafluoroethylene
  • the dielectric substrate may further include a plurality of via holes for connecting the transformer and the directional coupler to the first port, the second port, and the third port of the circulator.
  • the combiner-circulator integrated communication device having the above-described configuration and the Doherty amplifier including the same have the following effects.
  • a plurality of transformers, a combiner, and a circulator are integrally formed in a vertical direction, thereby miniaturizing the entire power amplifier, and ultimately making it possible to downsize the base station.
  • connection lines can be minimized, and unnecessary power loss and matching cost due to the connection lines can be minimized.
  • FIG. 1 is a circuit diagram for explaining a power amplifier including a combiner and a circulator according to the prior art
  • PCB printed circuit board
  • PCB printed circuit board
  • PCB printed circuit board
  • FIG. 5 is a cross-sectional view taken along line B-B 'of the chip type Doherty coupler shown in FIG. 4, a chip type directional coupler and a circulator formed on a printed circuit board (PCB)
  • PCB printed circuit board
  • FIG. 6 is a circuit diagram for explaining a combiner-circulator integrated power amplifier including a transformer according to the first embodiment of the present invention.
  • FIG. 7 is a circuit diagram illustrating a combiner-circulator integrated power amplifier including a transformer according to a second embodiment of the present invention.
  • FIG. 8 is a plan view for explaining a state in which a combiner-circulator integrated communication device including the transformer shown in FIG. 6 and FIG. 7 is formed on a dielectric substrate;
  • FIG. 9 is a cross-sectional view taken along the line C-C 'in a state in which a combiner-circulator integrated communication device including the transformer shown in FIG. 8 is formed on a dielectric substrate,
  • FIG. 10 is a cross-sectional view illustrating a dielectric substrate on which a combiner or a transformer is formed in a combiner-circulator integrated communication device according to the present invention.
  • FIG. 11 is a perspective view illustrating an example in which a connector-circulator integrated communication device including a transformer according to the present invention is included in a case;
  • FIG. 11 is a perspective view illustrating an example in which a connector-circulator integrated communication device including a transformer according to the present invention is included in a case;
  • Fig. 12 is a plan view of a case including a combiner-circulator integrated communication device including the transformer shown in Fig. 11,
  • Fig. 13 is a side view of a case in which a combiner-circulator integrated communication device including a transformer shown in Fig. 11 is included in a case; Fig.
  • Fig. 14 is a bottom view of a case in which a combiner-circulator integrated communication device including a transformer shown in Fig. 11 is included in a case; Fig.
  • 15 is a conceptual diagram of a power amplifier including a combiner-circulator integrated communication device according to the present invention.
  • FIG. 6 is a circuit diagram for explaining a combiner-circulator integrated power amplifier including a transformer according to the first embodiment of the present invention.
  • a combiner-circulator integrated power amplifier including a transformer includes a first transformer 310, a carrier amplifier 320, a peak amplifier 330, a second transformer A first directional coupler 340, a third transformer 350, a first directional coupler 360, a second directional coupler 370, and a circulator (or isolator)
  • the carrier amplifier 320 and the peak amplifier 330 constitute a Doherty amplifier.
  • one input signal of the input signal is input to the carrier amplifier 320, and another divided input signal is input to the peak amplifier 330 through the first transformer 310.
  • the first transformer 310 compensates the delay time difference between the output signal of the peak amplifier 330 and the output signal of the carrier amplifier 320 by delaying the signal input to the peak amplifier 330 by 90 °, do.
  • the Doherty amplifier performs the operation differently depending on the input power. That is, when the input power is low power, the peaking amplifier 330 does not perform the amplification operation on the input power and is turned off. However, when the input power is high power, it is turned on to perform the amplification operation on the input power.
  • a 1/4 wavelength impedance converter for load modulation in the carrier amplifier 320 that is, a second transformer 340 is inserted to design a power amplifier of the Doherty structure.
  • an additional 1/4 wavelength impedance converter for matching to a 50? Load i.e., a third transformer 350, is inserted, and a drop in circulator 380 is connected.
  • Such a Doherty amplifier is more efficient than a symmetric parallel coupled amplifier, e.g., a hybrid combine amplifier, by increasing the output power by increasing the load as viewed from the carrier amplifier 320 when the input power is low, .
  • the first directional coupler 360 performs forward power monitoring and the second directional coupler 370 performs reverse power monitoring.
  • FIG. 7 is a circuit diagram for explaining a combiner-circulator integrated power amplifier including a transformer according to a second embodiment of the present invention.
  • the combiner-circulator integrated power amplifier including the transformer according to the second embodiment of the present invention includes a first transformer 310, a carrier amplifier 320, a peak amplifier 330, a second transformer
  • the third transformer 350, the first directional coupler 360, the bidirectional coupler 370, and the circulator (or isolator) 380 are similar to the first embodiment of the present invention. However, there is a difference in that the first directional coupler 360 is configured at the next stage of the circulator 380.
  • the first directional coupler 360 according to the second embodiment of the present invention monitors the forward power output from the circulator 380 and the second directional coupler 370 performs the reverse power monitoring. In the second embodiment of the present invention, most of the operations are similar to those of the first embodiment of the present invention, and thus detailed description thereof will be omitted.
  • FIG. 8 is a plan view for explaining a state in which a combiner-circulator integrated communication device including a transformer shown in FIG. 7 is formed on a dielectric substrate
  • FIG. 9 is a plan view illustrating a combiner-circulator integrated communication device including a transformer shown in FIG. Is formed on a dielectric substrate.
  • a second transformer 340 is formed inside the dielectric substrate 300 in a state in which a coupler including a transformer according to the present invention and a communication device integrated with a circulator are formed on a dielectric substrate
  • the third transformer 350 is formed on the left side thereof.
  • a first directional coupler 360 is formed on the side of the third transformer 350.
  • a second directional coupler 370 is formed on the right side of the first directional coupler 360 and a circulator 380 is mounted on the dielectric substrate 300.
  • Reference numerals 390a, 390b, and 390c denote via holes connected to the first port, the second port, and the third port of the circulator 380.
  • Reference numerals 390d and 390e denote via holes connected to the terminals.
  • a conductive material is formed in each via hole. Such a conductive material is not particularly limited as long as it is a material having excellent conductivity.
  • P3 is a peaking amplifier input line
  • P4 is a first directional coupler 360 output line
  • P5 is a second directional coupler 370 output line
  • And P6 may be configured as an output (Rx) line of the circulator 380. [ Of course, this can be variously modified depending on the design.
  • the dielectric substrate 500 of the combiner-circulator according to the present invention includes a first ground plane 505, a first dielectric layer 510, a conductive layer 506, a second dielectric layer 520, And a second ground plane 525.
  • the first ground plane 505 may be a metal conductive surface, at least a portion of which is connected to the ground, and a first dielectric layer 510 may be formed on the first ground plane 505.
  • a conductive layer 506 may be formed on the first dielectric layer 510.
  • the conductive layer 506 forms a binder or a transformer. At this time, it may be connected to an input terminal (not shown) and an output terminal (not shown) of the dielectric substrate 500 through a via formed in or on the dielectric substrate 500.
  • a second dielectric layer 535 may be formed on the conductive layer 506 and a second ground plane 540 may be formed on the second dielectric layer 535.
  • the second ground plane 540 may have the same structure and shape as the first ground plane 505 described above, and may be modified in various ways by those skilled in the art depending on experiments and field experience.
  • the dielectric substrate 500 of the coupler-circulator integrated communication device may be a multilayer low temperature cofired ceramic (LTCC) substrate, a polytetrafluoroethylene (PTFE) substrate, or an epoxy substrate, but is not limited thereto .
  • LTCC low temperature cofired ceramic
  • PTFE polytetrafluoroethylene
  • FIG. 11 is a perspective view showing an example in which a transformer and a combiner-circulator integrated communication device according to the present invention are included in a case
  • FIG. 12 is a plan view including a transformer and a combiner-circulator integrated communication device in a case
  • 13 is a side view of the case including the transformer and combiner-circulator integrated communication device shown in Fig. 11
  • Fig. 14 is a bottom view of the case including the transformer and combiner-circulator integrated communication device shown in Fig.
  • the case for protecting the transformer and the combiner-circulator integrated communication device according to the present invention is formed of a hexahedron to protect the circulator, and a ground is formed on the bottom surface thereof.
  • the structure of such a case is formed of a rectangular hexahedron, but this is an embodiment only, and may be constituted by a case such as a circular or triangular shape, and the shape is not particularly limited.
  • the power amplifier including the combiner-circulator integrated communication device according to the present invention includes a base substrate 700, a power divider 600 mounted on the base substrate 700, amplifiers 320 and 330, Circulator integrated communication device 300, 380 according to embodiments.
  • the power divider 600 may be mounted on the base substrate 700 to distribute input power, and the amplifying units 320 and 330 may be mounted on the base substrate 700, And may be connected to the distributor 600 to amplify the distributed power.
  • the coupler-circulator integrated communication devices 300 and 380 are mounted on the base substrate 700 and connected to the amplification units 320 and 330 to combine the amplified power. ) And provide it to the output terminal.
  • the structure of the case is formed of a rectangular hexahedron, but this is only an example and may be configured as a case such as a circular or triangular shape, and its shape is not particularly limited.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)

Abstract

La présente invention concerne un dispositif de communication à coupleur-circulateur intégré. Le dispositif de communication à coupleur-circulateur intégré et l'amplificateur de Doherty ainsi équipé comportent une pluralité de circuits comprenant, d'une part un coupleur réalisé sur une carte à circuit imprimé laminée, et d'autre part un circulateur implanté sur la partie supérieure de la carte laminée. L'invention concerne plus particulièrement un dispositif de communication à coupleur-circulateur intégré comportant: un substrat diélectrique; au moins un transformateur réalisé à l'intérieur du substrat diélectrique; et un circulateur implanté sur la partie supérieure du substrat diélectrique. L'invention permet ainsi, non seulement de miniaturiser la totalité de l'amplificateur de puissance grâce à une configuration dans laquelle on intègre verticalement la pluralité de transformateurs, le coupleur, et le circulateur, mais aussi de miniaturiser facilement une station de base.
PCT/KR2010/006704 2010-09-27 2010-09-30 Dispositif de communication à coupleur-circulateur intégré, et amplificateur de doherty pourvu de ce dispositif Ceased WO2012043909A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201080031753.9A CN102577103A (zh) 2010-09-27 2010-09-30 耦合器-环行器一体式通信器件及包括其的多尔蒂放大器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020100093231A KR101057736B1 (ko) 2010-09-27 2010-09-27 결합기-써큘레이터 일체형 통신소자 및 그를 포함하는 도허티 증폭기
KR10-2010-0093231 2010-09-27

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WO2012043909A1 true WO2012043909A1 (fr) 2012-04-05

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104184457A (zh) * 2014-09-02 2014-12-03 王少夫 一种环行器
US10630241B2 (en) 2018-08-23 2020-04-21 Nxp Usa, Inc. Amplifier with integrated directional coupler
US11196138B1 (en) 2020-09-30 2021-12-07 Nxp Usa, Inc. Circulator with integrated directional coupler, and communication systems including the same
US20240339744A1 (en) * 2023-04-06 2024-10-10 Te Connectivity Nederland B.V. Circulator Arrangement and Means of Construction for a Microwave Oven

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KR101637923B1 (ko) * 2015-09-24 2016-07-11 쓰리알웨이브 (주) 방향성 결합기의 기능을 내재한 서큘레이터 모듈
CN205104596U (zh) * 2015-10-28 2016-03-23 世达普(苏州)通信设备有限公司 一种通信器件
DE112016006472T5 (de) * 2016-02-23 2018-11-08 Mitsubishi Electric Corporation Lastmodulationsverstärker
US10972055B2 (en) * 2018-06-15 2021-04-06 Skyworks Solutions, Inc. Integrated doherty power amplifier
KR102903418B1 (ko) * 2021-04-13 2025-12-23 삼성전자 주식회사 전력 증폭기를 포함하는 전자 장치 및 그의 동작 방법
KR20220142290A (ko) * 2021-04-14 2022-10-21 삼성전자주식회사 복수의 전력 증폭기들을 포함하는 전력 증폭 회로, 및 전력 증폭 회로를 포함하는 전자 장치
CN116666931B (zh) * 2023-07-24 2023-10-13 成都迈可维微波电子有限公司 一种微波器件及一种微波设备

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JP4715994B2 (ja) * 2004-08-26 2011-07-06 日本電気株式会社 ドハティ増幅器並列運転回路
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KR20050116385A (ko) * 2003-03-28 2005-12-12 앤드류 코포레이션 고 효율 증폭기 및 그의 설계 방법
US20050134377A1 (en) * 2003-12-23 2005-06-23 Dent Paul W. Doherty amplifier
KR20070019707A (ko) * 2004-03-13 2007-02-15 필트로닉 피엘씨 도허티 증폭기장치
EP2023483A1 (fr) * 2007-08-09 2009-02-11 Alcatel Lucent Banc d'accélérateur destiné à une utilisation dans des modules d'amplificateur de puissance multibande
EP2117118A1 (fr) * 2008-05-08 2009-11-11 Nokia Siemens Networks Oy Architecture d'amplificateur parallèle avec contrôle de rétroaction basé sur la force du signal reflété

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104184457A (zh) * 2014-09-02 2014-12-03 王少夫 一种环行器
US10630241B2 (en) 2018-08-23 2020-04-21 Nxp Usa, Inc. Amplifier with integrated directional coupler
US11196138B1 (en) 2020-09-30 2021-12-07 Nxp Usa, Inc. Circulator with integrated directional coupler, and communication systems including the same
US20240339744A1 (en) * 2023-04-06 2024-10-10 Te Connectivity Nederland B.V. Circulator Arrangement and Means of Construction for a Microwave Oven

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KR101057736B1 (ko) 2011-08-18

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