JPH03115827U - - Google Patents
Info
- Publication number
- JPH03115827U JPH03115827U JP2602390U JP2602390U JPH03115827U JP H03115827 U JPH03115827 U JP H03115827U JP 2602390 U JP2602390 U JP 2602390U JP 2602390 U JP2602390 U JP 2602390U JP H03115827 U JPH03115827 U JP H03115827U
- Authority
- JP
- Japan
- Prior art keywords
- thermistor
- circuit
- measuring device
- operational amplifier
- 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
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
Description
第１図は温度測定器のブロツク図、第２図はそ
の詳細を示す回路図、第３図はブリツジ回路の出
力特性図、第４図は線形化回路の等価回路図、第
５図は線形化回路の入力電圧と出力電圧の特性図
、第６図〜第８図は線形化回路の等価回路図、第
９図は測定温度と出力電圧の特性図である。
符号、１……サーミスタ、Ｒｎ……抵抗、４…
…線形化回路、Ｄｎ……ダイオード、６……オペ
アンプ。
Figure 1 is a block diagram of the temperature measuring device, Figure 2 is a circuit diagram showing its details, Figure 3 is an output characteristic diagram of a bridge circuit, Figure 4 is an equivalent circuit diagram of a linearization circuit, and Figure 5 is a linear diagram. 6 to 8 are equivalent circuit diagrams of the linearization circuit, and FIG. 9 is a characteristic diagram of measured temperature and output voltage. Code, 1...Thermistor, Rn...Resistor, 4...
...linearization circuit, Dn...diode, 6... operational amplifier.
Claims (1)
度測定器の線形化回路４であつて、前記サーミス
タ１からの非線形出力をオペアンプ６の非反転入
力側に抵抗ＲｎとダイオードＤｎからなる回路を
接続して入力するとともに、前記オペアンプ６の
反転入力側と出力を短絡してなる温度測定器の線
形化回路。 A linearization circuit 4 of a temperature measuring device linearizes the nonlinear output from the thermistor 1, in which a circuit consisting of a resistor Rn and a diode Dn is connected to the non-inverting input side of an operational amplifier 6 for the nonlinear output from the thermistor 1. A linearization circuit for a temperature measuring device is formed by short-circuiting the inverting input side and the output of the operational amplifier 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2602390U JPH03115827U (en) | 1990-03-13 | 1990-03-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2602390U JPH03115827U (en) | 1990-03-13 | 1990-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03115827U true JPH03115827U (en) | 1991-12-02 |
Family
ID=31528935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2602390U Pending JPH03115827U (en) | 1990-03-13 | 1990-03-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03115827U (en) |
-
1990
- 1990-03-13 JP JP2602390U patent/JPH03115827U/ja active Pending
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