JPS60158314U - High precision operational amplifier circuit - Google Patents
High precision operational amplifier circuitInfo
- Publication number
- JPS60158314U JPS60158314U JP4439784U JP4439784U JPS60158314U JP S60158314 U JPS60158314 U JP S60158314U JP 4439784 U JP4439784 U JP 4439784U JP 4439784 U JP4439784 U JP 4439784U JP S60158314 U JPS60158314 U JP S60158314U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- amplifier circuit
- circuit
- resistor
- precision operational
- 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
- Amplifiers (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図及び第２図は従来の電圧発生回路の回路図、第３
図及び第５図はこの考案による高精度電圧発生回路の回
路図、第４図はアナログ演算回路１８の一実施例を示す
回路図である。
１１：入力端子、１２：入力コード、１３：出力端子、
１４．２８：演算増幅器、１５，２３゜２４．２５：抵
抗器、１６：帰還用抵抗器、１７：ＤＡ変換器、１８：
アナログ演算回路、１９：熱補償用抵抗器、２０：基板
、２１：デジタル演算回路、２２：補償用ＤＡ変換器、
２６，２７：乗算回路。Figures 1 and 2 are circuit diagrams of conventional voltage generation circuits;
5 and 5 are circuit diagrams of a high-precision voltage generation circuit according to this invention, and FIG. 4 is a circuit diagram showing one embodiment of the analog calculation circuit 18. 11: Input terminal, 12: Input code, 13: Output terminal,
14.28: Operational amplifier, 15, 23゜24.25: Resistor, 16: Feedback resistor, 17: DA converter, 18:
Analog arithmetic circuit, 19: Heat compensation resistor, 20: Board, 21: Digital arithmetic circuit, 22: Compensation DA converter,
26, 27: Multiplication circuit.
Claims (3)
幅回路と、 Ｂ 上記帰還用抵抗器と同一基板上または同一ブロック
内に設けられた熱補償用抵抗器とＣ上記基板上または上
記ブロック内の発熱量が一定になるように上記熱補償用
抵抗器に供給すべき電流値を演算してその電流を供給す
る電流発生手段と、 から成ることを特徴とする高精度演算増幅路。(1) A: an operational amplifier circuit consisting of an operational amplifier and a feedback resistor; B: a thermal compensation resistor provided on the same board or in the same block as the feedback resistor; and C: on the board or within the block. A high-precision operational amplifier circuit comprising: current generating means for calculating a current value to be supplied to the thermal compensation resistor and supplying the current so that the amount of heat generated by the resistor is constant.
生手段はアナログ演算回路であることを特徴とする高精
度演算増幅回路。(2) Utility Model Registration A high-precision operational amplifier circuit, characterized in that the current generating means according to claim 1 is an analog calculation circuit.
段はデジタル演算回路と熱補償用ＤＡ変換回路とから成
ることを特徴とする高精度演算増幅回路。(3) Utility Model Registration A high-precision operational amplifier circuit, wherein the current generating means according to claim 1 comprises a digital operational circuit and a DA conversion circuit for thermal compensation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4439784U JPS60158314U (en) | 1984-03-27 | 1984-03-27 | High precision operational amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4439784U JPS60158314U (en) | 1984-03-27 | 1984-03-27 | High precision operational amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60158314U true JPS60158314U (en) | 1985-10-22 |
Family
ID=30556930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4439784U Pending JPS60158314U (en) | 1984-03-27 | 1984-03-27 | High precision operational amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60158314U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009096098A1 (en) * | 2008-01-30 | 2009-08-06 | Nec Corporation | Semiconductor device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57185709A (en) * | 1981-05-12 | 1982-11-16 | Japan Radio Co Ltd | Compensation circuit for operating point for transistor linear amplifier |
-
1984
- 1984-03-27 JP JP4439784U patent/JPS60158314U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57185709A (en) * | 1981-05-12 | 1982-11-16 | Japan Radio Co Ltd | Compensation circuit for operating point for transistor linear amplifier |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009096098A1 (en) * | 2008-01-30 | 2009-08-06 | Nec Corporation | Semiconductor device |
| JP5571391B2 (en) * | 2008-01-30 | 2014-08-13 | 日本電気株式会社 | Semiconductor device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60158314U (en) | High precision operational amplifier circuit | |
| JPS58113117U (en) | high voltage power supply | |
| JPS6095718U (en) | feedback amplifier | |
| JPS60158311U (en) | amplifier circuit | |
| JPS6040118U (en) | inverting amplifier | |
| JPS6095622U (en) | Control circuit for multiple input/output power supplies | |
| JPS5840918U (en) | amplifier | |
| JPS5840914U (en) | oscillation circuit | |
| JPS6246912U (en) | ||
| JPS59151306U (en) | power circuit | |
| JPS58179517U (en) | constant voltage circuit | |
| JPS60153016U (en) | Voltage current conversion circuit | |
| JPS58169734U (en) | DA converter output circuit | |
| JPS59164375U (en) | temperature compensation circuit | |
| JPS5948112U (en) | amplifier | |
| JPS593663U (en) | bipolar power circuit | |
| JPS60189125U (en) | signal control circuit | |
| JPS59129225U (en) | Waveform shaping circuit | |
| JPS60149254U (en) | DA converter for display calculation of exposure parameters in camera | |
| JPS60163839U (en) | Digital-analog conversion circuit | |
| JPS5863617U (en) | Ramp function generation circuit | |
| JPS59109227U (en) | protective relay | |
| JPS6064619U (en) | current operational amplifier | |
| JPS60119167U (en) | vertical deflection circuit | |
| JPS60104915U (en) | Voltage regulator integrated circuit |