JPS5811342U - Phase-locked frequency synthesizer - Google Patents
Phase-locked frequency synthesizerInfo
- Publication number
- JPS5811342U JPS5811342U JP10431481U JP10431481U JPS5811342U JP S5811342 U JPS5811342 U JP S5811342U JP 10431481 U JP10431481 U JP 10431481U JP 10431481 U JP10431481 U JP 10431481U JP S5811342 U JPS5811342 U JP S5811342U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- locked
- output
- circuit
- frequency synthesizer
- 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
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は、従来、有る位相同期式周波数シンセサイザの
ブロック系統図、第２図は、本考案の実施例のブロック
系統図。
図において、１，１７・・・・・・基準周波数発振器、
２、 ３． ７． ８． １６． １Ｂ、 １９．
２３． ２４゜２７．３６・・・分周回路、６． １１
． １３． ２２゜２６、 ３０． ３５・・・・・・
電圧制御発振器、４，９゜１５、 ２０． ２４． ２
８． ３３・・・位相比較器、５゜１０．１２，１４，
２４．２５，２９．３２゜３４・・・・・・低域通過フ
ィルター。FIG. 1 is a block diagram of a conventional phase-locked frequency synthesizer, and FIG. 2 is a block diagram of an embodiment of the present invention. In the figure, 1, 17... reference frequency oscillator,
2, 3. 7. 8. 16. 1B, 19.
23. 24°27.36... Frequency dividing circuit, 6. 11
．． 13. 22°26, 30. 35...
Voltage controlled oscillator, 4,9°15, 20. 24. 2
8. 33... Phase comparator, 5°10.12,14,
24.25, 29.32°34...Low pass filter.
Claims (1)
三の位相同期回路と、前記第一の位相同期回路の出力と
前記第三の位相同期回路の出力とを混合し差をとる混合
器と、前記混合器の出力を逓倍する逓倍回路とを具備し
、前記第三の位相同期回路の位相比較が前記第二の位相
同期回路の出力と前記逓倍回路の出力との間で行なわれ
ることを特徴とする位相同期式周波シンセサイザ。second and second phase-locked circuits that share a reference signal, a third phase-locked circuit, mix the output of the first phase-locked circuit and the output of the third phase-locked circuit, and take the difference. It comprises a mixer and a multiplier circuit that multiplies the output of the mixer, and the phase comparison of the third phase-locked circuit is performed between the output of the second phase-locked circuit and the output of the multiplier circuit. A phase-locked frequency synthesizer characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10431481U JPS5811342U (en) | 1981-07-14 | 1981-07-14 | Phase-locked frequency synthesizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10431481U JPS5811342U (en) | 1981-07-14 | 1981-07-14 | Phase-locked frequency synthesizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5811342U true JPS5811342U (en) | 1983-01-25 |
Family
ID=29898914
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10431481U Pending JPS5811342U (en) | 1981-07-14 | 1981-07-14 | Phase-locked frequency synthesizer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5811342U (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5358A (en) * | 1976-06-24 | 1978-01-05 | Yaesu Musen Kk | Fast responding pll oscillating circuit |
| JPS5331942A (en) * | 1976-09-07 | 1978-03-25 | Uniden Kk | Phase locked loop frequency synthesizer |
| JPS5350649A (en) * | 1976-10-19 | 1978-05-09 | Toa Denpa Kougiyou Kk | Frequency synthesizer |
-
1981
- 1981-07-14 JP JP10431481U patent/JPS5811342U/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5358A (en) * | 1976-06-24 | 1978-01-05 | Yaesu Musen Kk | Fast responding pll oscillating circuit |
| JPS5331942A (en) * | 1976-09-07 | 1978-03-25 | Uniden Kk | Phase locked loop frequency synthesizer |
| JPS5350649A (en) * | 1976-10-19 | 1978-05-09 | Toa Denpa Kougiyou Kk | Frequency synthesizer |
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