JPH0170434U - - Google Patents
Info
- Publication number
- JPH0170434U JPH0170434U JP1987165810U JP16581087U JPH0170434U JP H0170434 U JPH0170434 U JP H0170434U JP 1987165810 U JP1987165810 U JP 1987165810U JP 16581087 U JP16581087 U JP 16581087U JP H0170434 U JPH0170434 U JP H0170434U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- oscillator
- voltage
- detector
- output signal
- 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.)
- Pending
Links
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図はこの考案の一実施例を示す位相同期発
振器の回路図、第２図は従来の位相同期発振器を
示す回路図である。図において、１は発振器、２
は高調波位相検波器、３は低域通過フイルタ、４
は同期検出器、５はスイープホールド回路、６は
電圧加算器、７は電圧制御発振器、８は結合器、
９は帯域通過フイルタ、１０は帯域通過フイルタ
、１１は検波器、１２は周波数切換信号、１３は
電圧制御発振器、１４は電圧制御発振器、１５は
スイツチである。なお、図中同一符号は同一また
は相当部分を示す。
FIG. 1 is a circuit diagram of a phase-locked oscillator showing an embodiment of this invention, and FIG. 2 is a circuit diagram showing a conventional phase-locked oscillator. In the figure, 1 is an oscillator, 2
is a harmonic phase detector, 3 is a low-pass filter, and 4 is a harmonic phase detector.
is a synchronous detector, 5 is a sweep hold circuit, 6 is a voltage adder, 7 is a voltage controlled oscillator, 8 is a coupler,
9 is a band pass filter, 10 is a band pass filter, 11 is a detector, 12 is a frequency switching signal, 13 is a voltage controlled oscillator, 14 is a voltage controlled oscillator, and 15 is a switch. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
生し、その高調波の位相を検波する高調波位相検
波器と、上記高調波位相検波器の出力信号から低
周波信号を取り出す低域通過フイルタと、上記高
調波位相検波器の出力信号から位相同期発振器が
同期したか否かを検出する同期検出器と、位相同
期発振器を同期させるためのスイープホールド回
路と、上記低域通過フイルタの出力電圧とスイー
プホールド回路の出力電圧とを加算する電圧加算
器と、複数の電圧制御発振器と、上記複数の電圧
発振器の出力信号を切り換えるスイツチとを備え
たことを特徴とする位相同期発振器。 an oscillator, a harmonic phase detector that generates harmonics of the output signal of the oscillator and detects the phase of the harmonics, and a low-pass filter that extracts a low frequency signal from the output signal of the harmonic phase detector. , a synchronization detector for detecting whether or not the phase-locked oscillator is synchronized from the output signal of the harmonic phase detector, a sweep hold circuit for synchronizing the phase-locked oscillator, and an output voltage of the low-pass filter. A phase synchronized oscillator comprising: a voltage adder that adds the output voltage of a sweep hold circuit; a plurality of voltage controlled oscillators; and a switch that switches output signals of the plurality of voltage oscillators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165810U JPH0170434U (en) | 1987-10-29 | 1987-10-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987165810U JPH0170434U (en) | 1987-10-29 | 1987-10-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0170434U true JPH0170434U (en) | 1989-05-10 |
Family
ID=31452636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987165810U Pending JPH0170434U (en) | 1987-10-29 | 1987-10-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0170434U (en) |
-
1987
- 1987-10-29 JP JP1987165810U patent/JPH0170434U/ja active Pending
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