JPH0262819U - - Google Patents
Info
- Publication number
- JPH0262819U JPH0262819U JP14119488U JP14119488U JPH0262819U JP H0262819 U JPH0262819 U JP H0262819U JP 14119488 U JP14119488 U JP 14119488U JP 14119488 U JP14119488 U JP 14119488U JP H0262819 U JPH0262819 U JP H0262819U
- Authority
- JP
- Japan
- Prior art keywords
- discharging
- circuit
- voltage
- capacitor
- frequency conversion
- 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.)
- Granted
Links
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Analogue/Digital Conversion (AREA)
- Dc Digital Transmission (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案の電圧―周波数変換回路の実施
例を示す電気回路図、第２図は同上の動作説明用
信号波形図、第３図は従来の電圧―周波数変換回
路の一例を示す電気回路図、第４図は同上の動作
説明用信号波形図である。
Ａ…積分回路、Ｂ…コンパレータ、Ｃ…放電回
路、１，２…演算増幅器、Ｃ１，Ｃ２…コンデン
サ。
Fig. 1 is an electric circuit diagram showing an embodiment of the voltage-frequency conversion circuit of the present invention, Fig. 2 is a signal waveform diagram for explaining the operation of the same as above, and Fig. 3 is an electric circuit diagram showing an example of a conventional voltage-frequency conversion circuit. The circuit diagram and FIG. 4 are signal waveform diagrams for explaining the operation of the same. A...Integrator circuit, B...Comparator, C...Discharge circuit, 1, 2...Operation amplifier, C1 , C2 ...Capacitor.
Claims (1)
電圧―周波数変換回路において、該積分回路の基
準電圧の印加部を構成する抵抗Ｒ４に並列にコン
デンサＣ２を付加し、充放電用コンデンサＣ１の
充放電特性と前記基準電圧に与えられる充放電特
性とを一致させるようにしたことを特徴とする電
圧―周波数変換回路。 In a voltage-frequency conversion circuit consisting of an integrating circuit, a comparator, and a discharging circuit, a capacitor C2 is added in parallel to a resistor R4 that constitutes the reference voltage application section of the integrating circuit, and a capacitor C2 for charging and discharging is charged and discharged. A voltage-frequency conversion circuit characterized in that the characteristics match the charging/discharging characteristics given to the reference voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14119488U JPH0728736Y2 (en) | 1988-10-31 | 1988-10-31 | Voltage-frequency conversion circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14119488U JPH0728736Y2 (en) | 1988-10-31 | 1988-10-31 | Voltage-frequency conversion circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0262819U true JPH0262819U (en) | 1990-05-10 |
| JPH0728736Y2 JPH0728736Y2 (en) | 1995-06-28 |
Family
ID=31406050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14119488U Expired - Lifetime JPH0728736Y2 (en) | 1988-10-31 | 1988-10-31 | Voltage-frequency conversion circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0728736Y2 (en) |
-
1988
- 1988-10-31 JP JP14119488U patent/JPH0728736Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0728736Y2 (en) | 1995-06-28 |
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