JPS56100305A - Conversion circuit - Google Patents
Conversion circuitInfo
- Publication number
- JPS56100305A JPS56100305A JP337880A JP337880A JPS56100305A JP S56100305 A JPS56100305 A JP S56100305A JP 337880 A JP337880 A JP 337880A JP 337880 A JP337880 A JP 337880A JP S56100305 A JPS56100305 A JP S56100305A
- Authority
- JP
- Japan
- Prior art keywords
- resistor
- bridge circuit
- voltage
- power supply
- current
- 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
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
PURPOSE: To enable temperature correction of a broad range, by adding a signal relating to a voltage between base and emitter of the 1st transistor, with a signal relating to the collector current of the 2nd transistor, and taking the result of addition as the power supply of a bridge circuit including a distortion resistor.
CONSTITUTION: The output voltage -E of a bridge power supply DS consisting of a DC power supply ES, voltage dividing resistors r6, r7 and r8, r9, transistors Q1, Q2 and an operational amplifier OP1 providing a feedback resistor r2, is fed to a bridge circuit B. The operational amplifier OP1 adds a current i1 flowing to a resistor r1 and i3 flowing to a resistor 10, and a voltage -E of -E=r2(i1+i2)=-(v1+ v2) is fed to the bridge circuit B through a resistor r2. The current i2 exponentially increases with a higher temperature range than a room temperature to compensate the temperature characteristics of the bridge circuit with a wide temperature range.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP337880A JPS56100305A (en) | 1980-01-16 | 1980-01-16 | Conversion circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP337880A JPS56100305A (en) | 1980-01-16 | 1980-01-16 | Conversion circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56100305A true JPS56100305A (en) | 1981-08-12 |
Family
ID=11555685
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP337880A Pending JPS56100305A (en) | 1980-01-16 | 1980-01-16 | Conversion circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56100305A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6166106A (en) * | 1984-09-07 | 1986-04-04 | Nec Corp | Temperature compensating circuit |
JPS6166105A (en) * | 1984-09-07 | 1986-04-04 | Nec Corp | Temperature compensating circuit |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49119676A (en) * | 1973-03-15 | 1974-11-15 | ||
JPS54123856A (en) * | 1978-03-20 | 1979-09-26 | Okura Denki Co Ltd | Function generator |
-
1980
- 1980-01-16 JP JP337880A patent/JPS56100305A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49119676A (en) * | 1973-03-15 | 1974-11-15 | ||
JPS54123856A (en) * | 1978-03-20 | 1979-09-26 | Okura Denki Co Ltd | Function generator |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6166106A (en) * | 1984-09-07 | 1986-04-04 | Nec Corp | Temperature compensating circuit |
JPS6166105A (en) * | 1984-09-07 | 1986-04-04 | Nec Corp | Temperature compensating circuit |
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