JPS59166124U - Capacitance voltage conversion circuit - Google Patents
Capacitance voltage conversion circuitInfo
- Publication number
- JPS59166124U JPS59166124U JP6036783U JP6036783U JPS59166124U JP S59166124 U JPS59166124 U JP S59166124U JP 6036783 U JP6036783 U JP 6036783U JP 6036783 U JP6036783 U JP 6036783U JP S59166124 U JPS59166124 U JP S59166124U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- conversion circuit
- voltage conversion
- rectifier circuit
- capacitance 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.)
- Pending
Links
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図は従来の変換回路の一例を示す接続図、第２図は
本考案変換回路の一実施例を示す接続図である。
１・・・可変コンデンサ、２・・・固定コンデンサ、３
・・・センサアンプ、４・・・抵抗、５・・・発振器、
６・・・同期整流回路、７・・・スイッチ、８・・・偏
差アンプ。FIG. 1 is a connection diagram showing an example of a conventional conversion circuit, and FIG. 2 is a connection diagram showing an embodiment of the conversion circuit of the present invention. 1...Variable capacitor, 2...Fixed capacitor, 3
...sensor amplifier, 4...resistor, 5...oscillator,
6...Synchronous rectifier circuit, 7...Switch, 8...Deviation amplifier.
Claims (1)
定容量の固定コンデンサと、この固定コンデンサと抵抗
が帰還回路に接続されたセンサアンプと、このセンサア
ンプの入力に前記可変コンデンサを介して直流の出力電
圧をオンオフして加えるためのスイッチと、前記センサ
アンプの出力を整流して直流電圧を得る整流回路と、こ
の整流回路からの直流電圧と直流の基準電圧との差を増
幅し前記直流の出力電圧を得る偏差アンプとを具えた容
量電圧変換回路。A variable capacitor whose capacitance changes depending on the quantity to be measured, a fixed capacitor with a fixed capacitance, a sensor amplifier in which this fixed capacitor and a resistor are connected to a feedback circuit, and a direct current is supplied to the input of this sensor amplifier via the variable capacitor. a rectifier circuit that rectifies the output of the sensor amplifier to obtain a DC voltage; and a rectifier circuit that amplifies the difference between the DC voltage from the rectifier circuit and a DC reference voltage to apply the DC voltage. A capacitive voltage conversion circuit comprising a deviation amplifier and a deviation amplifier to obtain an output voltage of .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6036783U JPS59166124U (en) | 1983-04-22 | 1983-04-22 | Capacitance voltage conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6036783U JPS59166124U (en) | 1983-04-22 | 1983-04-22 | Capacitance voltage conversion circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59166124U true JPS59166124U (en) | 1984-11-07 |
Family
ID=30190607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6036783U Pending JPS59166124U (en) | 1983-04-22 | 1983-04-22 | Capacitance voltage conversion circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59166124U (en) |
-
1983
- 1983-04-22 JP JP6036783U patent/JPS59166124U/en active Pending
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