JPS6428U - - Google Patents
Info
- Publication number
- JPS6428U JPS6428U JP9421287U JP9421287U JPS6428U JP S6428 U JPS6428 U JP S6428U JP 9421287 U JP9421287 U JP 9421287U JP 9421287 U JP9421287 U JP 9421287U JP S6428 U JPS6428 U JP S6428U
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- temperature sensor
- operational amplifier
- sensor circuit
- circuit
- 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
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
第1図は本考案の一実施例を示す回路図、第2
図は同じく特性図、第3図は従来の温度センサ回
路を示す回路図である。
Rs……温度センサ、R11……第1の抵抗、
R12……第2の抵抗、R13……第3の抵抗、
A……演算増幅器、+V……電源、t1,t2…
…出力端子、X,Y……接続点。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
This figure is also a characteristic diagram, and FIG. 3 is a circuit diagram showing a conventional temperature sensor circuit. Rs...Temperature sensor, R11 ...First resistor,
R 12 ... second resistance, R 13 ... third resistance,
A...Operation amplifier, +V...Power supply, t1 , t2 ...
...output terminal, X, Y...connection point.
Claims (1)
の抵抗、第3の抵抗及び温度センサ回路の出力端
子間の直列回路とを、電源に対して並列に接続し
、前記温度センサと前記第2の抵抗の接続点を演
算増幅器の非反転入力端に接続し、前記第1の抵
抗と前記第3の抵抗の接続点を前記演算増幅器の
反転入力端に接続し、前記第3の抵抗に接続され
た温度センサ回路の一方の出力端子を前記演算増
幅器の出力端に接続し、前記第1の抵抗に対する
前記第3の抵抗の比を大きく設定した温度センサ
回路。 a series circuit of a temperature sensor and a second resistor;
A resistor, a third resistor, and a series circuit between the output terminals of the temperature sensor circuit are connected in parallel to the power supply, and the connection point between the temperature sensor and the second resistor is connected to the non-inverting input terminal of the operational amplifier. The connection point between the first resistor and the third resistor is connected to the inverting input terminal of the operational amplifier, and one output terminal of the temperature sensor circuit connected to the third resistor is connected to the operational amplifier. A temperature sensor circuit connected to an output end of the amplifier, the temperature sensor circuit having a large ratio of the third resistor to the first resistor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9421287U JPH0518677Y2 (en) | 1987-06-19 | 1987-06-19 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9421287U JPH0518677Y2 (en) | 1987-06-19 | 1987-06-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6428U true JPS6428U (en) | 1989-01-05 |
JPH0518677Y2 JPH0518677Y2 (en) | 1993-05-18 |
Family
ID=30957453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9421287U Expired - Lifetime JPH0518677Y2 (en) | 1987-06-19 | 1987-06-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0518677Y2 (en) |
-
1987
- 1987-06-19 JP JP9421287U patent/JPH0518677Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH0518677Y2 (en) | 1993-05-18 |