JPS6430920U - - Google Patents
Info
- Publication number
- JPS6430920U JPS6430920U JP12564987U JP12564987U JPS6430920U JP S6430920 U JPS6430920 U JP S6430920U JP 12564987 U JP12564987 U JP 12564987U JP 12564987 U JP12564987 U JP 12564987U JP S6430920 U JPS6430920 U JP S6430920U
- Authority
- JP
- Japan
- Prior art keywords
- pll
- frequency sweep
- sweep oscillator
- plls
- utility
- 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
- 229920000729 poly(L-lysine) polymer Polymers 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
- 239000013078 crystal Substances 0.000 description 1
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図は本考案に係るＰＬＬによる周波数スイ
ープ発振器の一実施例の構成図、第２図は第１図
のタイミングチヤート、第３図は従来のＰＬＬに
よる周波数スイープ発振器の構成図である。
１…水晶発振器、２，２１，２２…位相検波器
、３，３１，３２…ローパスフイルタ、４，４１
，４２…分周器、５，５１，５２…ＶＣＯ、６…
分周比設定器、７…切換制御器、８…出力切換器
。
FIG. 1 is a block diagram of an embodiment of a frequency sweep oscillator using a PLL according to the present invention, FIG. 2 is a timing chart of FIG. 1, and FIG. 3 is a block diagram of a conventional frequency sweep oscillator using a PLL. 1... Crystal oscillator, 2, 21, 22... Phase detector, 3, 31, 32... Low pass filter, 4, 41
, 42... Frequency divider, 5, 51, 52... VCO, 6...
Division ratio setter, 7... switching controller, 8... output switching device.
Claims (1)
ンシヤルに切換える切換え手段７，８とを有して
構成したことを特徴とするＰＬＬによる周波数ス
イープ発振器。 A frequency sweep oscillator using a PLL, comprising a plurality of PLLs 10, 20 and switching means 7, 8 for sequentially switching them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12564987U JPS6430920U (en) | 1987-08-20 | 1987-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12564987U JPS6430920U (en) | 1987-08-20 | 1987-08-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6430920U true JPS6430920U (en) | 1989-02-27 |
Family
ID=31376438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12564987U Pending JPS6430920U (en) | 1987-08-20 | 1987-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6430920U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015037320A (en) * | 2013-08-15 | 2015-02-23 | 同方威視技術股▲フン▼有限公司 | Frequency sweep signal generation circuit |
-
1987
- 1987-08-20 JP JP12564987U patent/JPS6430920U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015037320A (en) * | 2013-08-15 | 2015-02-23 | 同方威視技術股▲フン▼有限公司 | Frequency sweep signal generation circuit |
| CN104378110A (en) * | 2013-08-15 | 2015-02-25 | 同方威视技术股份有限公司 | Frequency sweeping signal generating circuit |