JPH01141473U - - Google Patents
Info
- Publication number
- JPH01141473U JPH01141473U JP3810788U JP3810788U JPH01141473U JP H01141473 U JPH01141473 U JP H01141473U JP 3810788 U JP3810788 U JP 3810788U JP 3810788 U JP3810788 U JP 3810788U JP H01141473 U JPH01141473 U JP H01141473U
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- pulse signal
- predetermined
- time
- voltage value
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Analogue/Digital Conversion (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Description
第１図は本考案の実施例による周波数電圧変換
回路の構成を示す系統図、第２図は本考案の実施
例による周波数電圧変換回路の各部の出力波形図
、第３図は従来の周波数電圧変換回路の構成を示
す系統図である。
主要部分の符号の説明、１……コンパレータ、
２……単安定発振回路、３……積分回路、４……
増幅回路、６……パルス検出回路、７……パルス
発生回路、８……アナログスイツチ。
Fig. 1 is a system diagram showing the configuration of a frequency-voltage conversion circuit according to an embodiment of the present invention, Fig. 2 is an output waveform diagram of each part of the frequency-voltage conversion circuit according to an embodiment of the present invention, and Fig. 3 is a diagram showing a conventional frequency-voltage conversion circuit. FIG. 2 is a system diagram showing the configuration of a conversion circuit. Explanation of symbols of main parts, 1...Comparator,
2... Monostable oscillation circuit, 3... Integrating circuit, 4...
Amplifier circuit, 6... Pulse detection circuit, 7... Pulse generation circuit, 8... Analog switch.
Claims (1)
ス信号を積分し、このパルス信号の周波数に応じ
た電圧値を送出する周波数電圧変換回路であつて
、前記パルス信号の入力時から前記積分の時定数
に応じた時間後に所定時間だけ前記電圧値を送出
する電圧送出手段を有することを特徴とする周波
数電圧変換回路。 A frequency-to-voltage conversion circuit that integrates a pulse signal having a predetermined repetition frequency for a predetermined period and sends out a voltage value corresponding to the frequency of the pulse signal, the circuit integrating the pulse signal having a predetermined repetition frequency for a predetermined period of time and transmitting a voltage value corresponding to the frequency of the pulse signal, the circuit integrating the pulse signal having a predetermined repetition frequency for a predetermined period of time, and transmitting a voltage value corresponding to the frequency of the pulse signal, which 1. A frequency-voltage conversion circuit comprising voltage sending means for sending out the voltage value for a predetermined time after a certain period of time has elapsed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3810788U JPH01141473U (en) | 1988-03-23 | 1988-03-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3810788U JPH01141473U (en) | 1988-03-23 | 1988-03-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01141473U true JPH01141473U (en) | 1989-09-28 |
Family
ID=31264679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3810788U Pending JPH01141473U (en) | 1988-03-23 | 1988-03-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01141473U (en) |
-
1988
- 1988-03-23 JP JP3810788U patent/JPH01141473U/ja active Pending