JPH0269767U - - Google Patents
Info
- Publication number
- JPH0269767U JPH0269767U JP14955488U JP14955488U JPH0269767U JP H0269767 U JPH0269767 U JP H0269767U JP 14955488 U JP14955488 U JP 14955488U JP 14955488 U JP14955488 U JP 14955488U JP H0269767 U JPH0269767 U JP H0269767U
- Authority
- JP
- Japan
- Prior art keywords
- diode
- circuit
- input terminal
- voltage
- output
- 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
- 239000000284 extract Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measurement Of Current Or Voltage (AREA)
Description
第１図は本考案の原理図、第２図は従来の最大
電圧読取り回路の構成図、第３図は本考案の実施
例の回路図である。
FIG. 1 is a principle diagram of the present invention, FIG. 2 is a block diagram of a conventional maximum voltage reading circuit, and FIG. 3 is a circuit diagram of an embodiment of the present invention.
Claims (1)
・オア回路３と、 該ダイオード・オア回路の出力を、抵抗分圧回
路Ｒ１，Ｒ２を介して正入力端へ加えられ、また
自己の出力を帰還抵抗Ｒ３，Ｒ４とダイオードＤ
５の並列回路を介して負入力端へ加えられるオペ
アンプＯＰを有する温度補償回路４を備え、 該帰還抵抗の接続点よりダイオード順方向電圧
降下を含まない出力電圧を取出してＡ／Ｄコンバ
ータへ入力するようにしてなることを特徴とする
最大電圧読取り回路。[Claims for Utility Model Registration] A diode OR circuit 3 that extracts the maximum value from a plurality of voltages, and the output of the diode OR circuit to the positive input terminal via resistor voltage divider circuits R 1 and R 2 . and feedback resistors R 3 , R 4 and diode D
The temperature compensation circuit 4 includes an operational amplifier OP that is applied to the negative input terminal through a parallel circuit of 5 , and an output voltage that does not include the diode forward voltage drop is taken out from the connection point of the feedback resistor and input to the A/D converter. A maximum voltage reading circuit characterized in that:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14955488U JPH0269767U (en) | 1988-11-16 | 1988-11-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14955488U JPH0269767U (en) | 1988-11-16 | 1988-11-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0269767U true JPH0269767U (en) | 1990-05-28 |
Family
ID=31421891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14955488U Pending JPH0269767U (en) | 1988-11-16 | 1988-11-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0269767U (en) |
-
1988
- 1988-11-16 JP JP14955488U patent/JPH0269767U/ja active Pending
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