JPS5956821U - Signal amplifier with offset correction - Google Patents
Signal amplifier with offset correctionInfo
- Publication number
- JPS5956821U JPS5956821U JP14860982U JP14860982U JPS5956821U JP S5956821 U JPS5956821 U JP S5956821U JP 14860982 U JP14860982 U JP 14860982U JP 14860982 U JP14860982 U JP 14860982U JP S5956821 U JPS5956821 U JP S5956821U
- Authority
- JP
- Japan
- Prior art keywords
- operational amplifier
- signal
- offset voltage
- amplifying
- 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
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図は本考案の実施例のブロック図、第２図は前記
の動作を説明するための波形図である。
図において、１・・・・・・オフセット電圧発生回路、
２・・・・・・オフセット電圧増幅用演算増幅器、３・
・・・・・信号増幅用演算増幅器、４・・・・・・減算
回路である。- FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a waveform diagram for explaining the above operation. In the figure, 1...offset voltage generation circuit,
2...Offset voltage amplification operational amplifier, 3.
. . . Operational amplifier for signal amplification, 4 . . . Subtraction circuit.
Claims (1)
いて、入力信号を増幅する信号増幅用演算増幅器と、オ
フセット電圧を発生するオフセット電圧発生回路と、前
記信号増幅用演算増幅器に熱的に接続され、前記オフセ
ット電圧発生回路の出力を増幅するオフセット、電圧増
幅用演算増幅器と、前記信号増幅用演算増幅器の出力か
ら前記オフセット増幅用演算増幅器の、出力を減算する
減算回路とを含み、前記信号増幅出力の温度変化による
変動を軽減させたことを特徴とする信号増幅器。A signal amplifier with high sensitivity and high amplification using an operational amplifier includes a signal amplification operational amplifier that amplifies an input signal, an offset voltage generation circuit that generates an offset voltage, and a thermally connected operational amplifier for signal amplification. an offset voltage amplifying operational amplifier connected to the offset voltage generating circuit for amplifying the output of the offset voltage generating circuit; and a subtracting circuit for subtracting the output of the offset amplifying operational amplifier from the output of the signal amplifying operational amplifier; A signal amplifier characterized by reducing fluctuations in signal amplification output due to temperature changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14860982U JPS5956821U (en) | 1982-09-30 | 1982-09-30 | Signal amplifier with offset correction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14860982U JPS5956821U (en) | 1982-09-30 | 1982-09-30 | Signal amplifier with offset correction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5956821U true JPS5956821U (en) | 1984-04-13 |
Family
ID=30330124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14860982U Pending JPS5956821U (en) | 1982-09-30 | 1982-09-30 | Signal amplifier with offset correction |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5956821U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004062079A1 (en) * | 2002-12-26 | 2004-07-22 | Zexel Valeo Climate Control Corporation | Motor control device |
-
1982
- 1982-09-30 JP JP14860982U patent/JPS5956821U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2004062079A1 (en) * | 2002-12-26 | 2004-07-22 | Zexel Valeo Climate Control Corporation | Motor control device |
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