JPS6269134U - - Google Patents
Info
- Publication number
- JPS6269134U JPS6269134U JP15979785U JP15979785U JPS6269134U JP S6269134 U JPS6269134 U JP S6269134U JP 15979785 U JP15979785 U JP 15979785U JP 15979785 U JP15979785 U JP 15979785U JP S6269134 U JPS6269134 U JP S6269134U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- negative power
- resistor
- terminal
- amplifier
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
第１図は本考案にかかる温度検出回路の一実施
例の構成図、第２図は第１図回路の動作説明図、
第３図は本考案にかかる温度検出回路の他の実施
例の構成図、第４図は温度検出回路の従来例の構
成図である。
Ａ……ＯＰアンプ、Ｒ１〜Ｒ５……第１〜第５
の抵抗、Ｑ１〜Ｑ３……第１〜第３のトランジス
タ、Ｄ１，Ｄ２……第１及び第２のダイオード。
FIG. 1 is a configuration diagram of an embodiment of the temperature detection circuit according to the present invention, FIG. 2 is an explanatory diagram of the operation of the circuit shown in FIG. 1,
FIG. 3 is a block diagram of another embodiment of the temperature detection circuit according to the present invention, and FIG. 4 is a block diagram of a conventional example of the temperature detection circuit. A...OP amplifier, R1 to R5 ...1st to 5th
Q1 to Q3 ...first to third transistors, D1 , D2 ...first and second diodes.
Claims (1)
に接続された第１の抵抗と、 前記ＯＰアンプの反転入力端子と出力端子の間
に接続された第２の抵抗と、 エミツタが負側電源電位に、コレクタが前記非
反転入力端子に、ベースが前記ＯＰアンプの負側
電源端子にそれぞれ接続された第１のトランジス
タと、 エミツタが抵抗値可変な第３の抵抗を介して前
記負側電源電位に、コレクタが前記反転入力端子
に、ベースが前記負側電源端子にそれぞれ接続さ
れた第２のトランジスタと、 エミツタが前記負側電源電位に、ベースとコレ
クタが前記負側電源端子に接続された第３のトラ
ンジスタと、 前記負側電源端子と前記負側電源電位との間に
接続された抵抗値可変の第４の抵抗、 を具備し、 前記ＯＰアンプの正側電源端子に流れる電流を
出力とし、前記第３の抵抗の抵抗値で出力のゲイ
ン調整を、前記第４の抵抗の抵抗値で出力のゲイ
ン調整をそれぞれ行なうことを特徴とする温度検
出回路。[Claims for Utility Model Registration] An OP amplifier, a first resistor connected between the non-inverting input terminal and the output terminal of the OP amplifier, and a first resistor connected between the inverting input terminal and the output terminal of the OP amplifier. a first transistor having an emitter connected to a negative power supply potential, a collector connected to the non-inverting input terminal, and a base connected to the negative power supply terminal of the OP amplifier; a second transistor whose collector is connected to the negative power supply potential via a third resistor, whose collector is connected to the inverting input terminal, and whose base is connected to the negative power supply terminal, and whose emitter is connected to the negative power supply potential; a third transistor whose base and collector are connected to the negative power supply terminal; and a fourth resistor with a variable resistance value connected between the negative power supply terminal and the negative power supply potential; The current flowing through the positive power supply terminal of the OP amplifier is output, the output gain is adjusted by the resistance value of the third resistor, and the output gain is adjusted by the resistance value of the fourth resistor. temperature detection circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15979785U JPH0450520Y2 (en) | 1985-10-18 | 1985-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15979785U JPH0450520Y2 (en) | 1985-10-18 | 1985-10-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6269134U true JPS6269134U (en) | 1987-04-30 |
| JPH0450520Y2 JPH0450520Y2 (en) | 1992-11-27 |
Family
ID=31084567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15979785U Expired JPH0450520Y2 (en) | 1985-10-18 | 1985-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0450520Y2 (en) |
-
1985
- 1985-10-18 JP JP15979785U patent/JPH0450520Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0450520Y2 (en) | 1992-11-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6269134U (en) | ||
| JPS62146216U (en) | ||
| JPS5914816Y2 (en) | constant current circuit | |
| JPS61149429U (en) | ||
| JPS62146311U (en) | ||
| JPS59103599U (en) | Output adjustment circuit for small DC motor | |
| JPS6133520U (en) | differential amplifier circuit | |
| JPH0273827U (en) | ||
| JPS62125015U (en) | ||
| JPS6034620U (en) | Overcurrent protection circuit | |
| JPS6074323U (en) | multiple output amplifier | |
| JPS5850510U (en) | gain control circuit | |
| JPS58129751U (en) | current mode logic circuit | |
| JPH0232117U (en) | ||
| JPS628727U (en) | ||
| JPH0390318U (en) | ||
| JPS6266318U (en) | ||
| JPS5967017U (en) | bias circuit | |
| JPH0419027U (en) | ||
| JPS6123714U (en) | bias circuit | |
| JPH02113424U (en) | ||
| JPS6443417U (en) | ||
| JPH0485158U (en) | ||
| JPS59104218U (en) | Constant voltage power supply circuit with current limit | |
| JPS62105619U (en) |