JPH0224641U - - Google Patents
Info
- Publication number
- JPH0224641U JPH0224641U JP10123188U JP10123188U JPH0224641U JP H0224641 U JPH0224641 U JP H0224641U JP 10123188 U JP10123188 U JP 10123188U JP 10123188 U JP10123188 U JP 10123188U JP H0224641 U JPH0224641 U JP H0224641U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- control input
- columns
- controlled oscillator
- 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
- 230000010355 oscillation Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
図は本考案の一実施例を示すブロツク図である
。 １…ダウン禁止回路、２…アツプ禁止回路、３
…コマンド信号識別回路、４…Ｄ／Ａ変換器、５
…電流／電圧変換回路、１０…電圧制御型発振器
、１１…周波数制御入力回路、３１…アツプ・ダ
ウンカウンタ、３２…論理回路、ａ…ダウンコマ
ンド信号、ｂ…アツプコマンド信号、ｃ…並列デ
ジタル信号、ｄ…ダウン禁止信号、ｅ…アツプ禁
止信号、ｆ…電流出力信号、ｇ…直流電圧信号。
。 １…ダウン禁止回路、２…アツプ禁止回路、３
…コマンド信号識別回路、４…Ｄ／Ａ変換器、５
…電流／電圧変換回路、１０…電圧制御型発振器
、１１…周波数制御入力回路、３１…アツプ・ダ
ウンカウンタ、３２…論理回路、ａ…ダウンコマ
ンド信号、ｂ…アツプコマンド信号、ｃ…並列デ
ジタル信号、ｄ…ダウン禁止信号、ｅ…アツプ禁
止信号、ｆ…電流出力信号、ｇ…直流電圧信号。
Claims (1)
- 外部からの２種類のコマンド信号に応答してｎ
（ｎ≧２）列の並列デジタル信号を発生する回路
と前記ｎ列のデジタル信号に応答して少なくとも
２ｎ段階の直流電圧を発生する回路とからなる周
波数制御入力回路と、前記直流電圧に応答して発
振周波数を２ｎ段階に可変できる電圧制御型発振
器とを具備したことを特徴とする電圧制御型発振
装置。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10123188U JPH0224641U (ja) | 1988-07-30 | 1988-07-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10123188U JPH0224641U (ja) | 1988-07-30 | 1988-07-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0224641U true JPH0224641U (ja) | 1990-02-19 |
Family
ID=31330038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10123188U Pending JPH0224641U (ja) | 1988-07-30 | 1988-07-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0224641U (ja) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52132759A (en) * | 1976-04-30 | 1977-11-07 | Toyo Electric Mfg Co Ltd | Phase comparing circuit |
-
1988
- 1988-07-30 JP JP10123188U patent/JPH0224641U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52132759A (en) * | 1976-04-30 | 1977-11-07 | Toyo Electric Mfg Co Ltd | Phase comparing circuit |