JPS61128839U - - Google Patents
Info
- Publication number
- JPS61128839U JPS61128839U JP492285U JP492285U JPS61128839U JP S61128839 U JPS61128839 U JP S61128839U JP 492285 U JP492285 U JP 492285U JP 492285 U JP492285 U JP 492285U JP S61128839 U JPS61128839 U JP S61128839U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- locked loop
- oscillator
- synchronization
- input voltage
- 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.)
- Granted
Links
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 1
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図は本考案の同期回路の系統図、第２図は
ＶＣＯの入出力関係を示す特性図、第３図は従来
の同期回路の系統図である。
Ａ…第１のＰＬＬ系、Ｂ…第２のＰＬＬ系、１
…水晶発振器、２…第１の位相比較器、３…第１
の誤差増巾器、４…ＶＣＯ、５…プログラマカウ
ンタ、６…操作装置、７…第２の位相比較器、８
…第２の誤差増巾器、９…Ｖ―Ｆ、１０…デイジ
タルーアナログ変換器、１１…Ｆ―Ｖ、１２…増
巾器。
FIG. 1 is a system diagram of a synchronous circuit according to the present invention, FIG. 2 is a characteristic diagram showing the input/output relationship of a VCO, and FIG. 3 is a system diagram of a conventional synchronous circuit. A...First PLL system, B...Second PLL system, 1
...Crystal oscillator, 2...First phase comparator, 3...First
error amplifier, 4...VCO, 5...programmer counter, 6...operating device, 7...second phase comparator, 8
...Second error amplifier, 9...V-F, 10...Digital-to-analog converter, 11...F-V, 12...Amplifier.
Claims (1)
の位相同期ループ出力を新たな基準発振器として
位相同期する第２の同期ルーフよりなる同期系に
おいて、上記第１の位相同期ループ内の電圧可変
発振器入力電圧成分を上記第２の位相同期ループ
内の電圧可変発振器（機械などを含む）の入力電
圧に加えるようになした同期回路。 The first one synchronizes with the reference oscillator and converts the frequency.
In a synchronization system consisting of a second synchronization roof that performs phase synchronization using the phase-locked loop output of the phase-locked loop as a new reference oscillator, the input voltage component of the voltage variable oscillator in the first phase-locked loop is converted into the input voltage component of the voltage variable oscillator in the second phase-locked loop. A synchronous circuit that is applied to the input voltage of a variable voltage oscillator (including machines, etc.).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985004922U JPH0323712Y2 (en) | 1985-01-18 | 1985-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985004922U JPH0323712Y2 (en) | 1985-01-18 | 1985-01-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61128839U true JPS61128839U (en) | 1986-08-12 |
| JPH0323712Y2 JPH0323712Y2 (en) | 1991-05-23 |
Family
ID=30480957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985004922U Expired JPH0323712Y2 (en) | 1985-01-18 | 1985-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0323712Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS544552A (en) * | 1977-06-13 | 1979-01-13 | Nippon Columbia | Pll circuit |
-
1985
- 1985-01-18 JP JP1985004922U patent/JPH0323712Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS544552A (en) * | 1977-06-13 | 1979-01-13 | Nippon Columbia | Pll circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0323712Y2 (en) | 1991-05-23 |
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