JPS5935873U - F-V conversion device - Google Patents
F-V conversion deviceInfo
- Publication number
- JPS5935873U JPS5935873U JP13137882U JP13137882U JPS5935873U JP S5935873 U JPS5935873 U JP S5935873U JP 13137882 U JP13137882 U JP 13137882U JP 13137882 U JP13137882 U JP 13137882U JP S5935873 U JPS5935873 U JP S5935873U
- Authority
- JP
- Japan
- Prior art keywords
- output
- circuit
- time constant
- integrating circuit
- conversion device
- 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
- Dc Digital Transmission (AREA)
- Analogue/Digital Conversion (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図は従来のＦ−Ｖ変換器の一例を示す回路図、第２
図は本考案の一実施例を示す回路図である。
１・・・主コンパレータ、２・・・ワンショットマルチ
バイブレータ、４・・・増幅器、５，６・・・積分用抵
抗、１１ａ〜ｌｌｄ・・・積分用コンデンサ、１２・・
・アナログスイッチ、１３ａ〜１３Ｃ・・・時定数切換
え用コンパレータ。Figure 1 is a circuit diagram showing an example of a conventional F-V converter, Figure 2 is a circuit diagram showing an example of a conventional F-V converter.
The figure is a circuit diagram showing an embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... Main comparator, 2... One-shot multivibrator, 4... Amplifier, 5, 6... Integrating resistor, 11a-lld... Integrating capacitor, 12...
・Analog switch, 13a to 13C... Comparator for time constant switching.
Claims (1)
比較出力を波形整形するマルチバイブレータと、このマ
ルチバイブレークの出力を積分する積分回路とを備えた
Ｆ−Ｖ変換器において、前記積分回路の出力が小さいと
きは前記積分回路の時定数を大きくし、積分回路の出力
が大きいときは前記積分回路の時定数を小さくする時定
数切換え回路を設けたことを特徴とするＦ−Ｖ変換装置
。An F-V converter comprising a comparator that compares an input frequency with a set value, a multivibrator that shapes the comparison output of the comparator, and an integration circuit that integrates the output of the multivibrator, wherein the integration circuit An F-V conversion device characterized in that a time constant switching circuit is provided, which increases the time constant of the integrating circuit when the output of the integrating circuit is small, and decreases the time constant of the integrating circuit when the output of the integrating circuit is large. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13137882U JPS5935873U (en) | 1982-08-31 | 1982-08-31 | F-V conversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13137882U JPS5935873U (en) | 1982-08-31 | 1982-08-31 | F-V conversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5935873U true JPS5935873U (en) | 1984-03-06 |
Family
ID=30297029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13137882U Pending JPS5935873U (en) | 1982-08-31 | 1982-08-31 | F-V conversion device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5935873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4735279B2 (en) * | 2006-01-17 | 2011-07-27 | 富士ゼロックス株式会社 | Droplet discharge head drive circuit and method, and droplet discharge apparatus |
-
1982
- 1982-08-31 JP JP13137882U patent/JPS5935873U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4735279B2 (en) * | 2006-01-17 | 2011-07-27 | 富士ゼロックス株式会社 | Droplet discharge head drive circuit and method, and droplet discharge apparatus |
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