JPS5840922U - amplifier circuit - Google Patents
amplifier circuitInfo
- Publication number
- JPS5840922U JPS5840922U JP13408181U JP13408181U JPS5840922U JP S5840922 U JPS5840922 U JP S5840922U JP 13408181 U JP13408181 U JP 13408181U JP 13408181 U JP13408181 U JP 13408181U JP S5840922 U JPS5840922 U JP S5840922U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier circuit
- circuit
- differential amplifier
- output signal
- signal
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の増幅回路を示す回路、第２図はこの考案
に係る増幅回路の一実施例を示す回路図、第３図は同じ
く他の実施例を示す回路図である。
Ｑ２□〜Ｑ２９・・・トランジスタ、Ｒ２１・・・抵抗
、２２・・・定電流源。FIG. 1 is a circuit diagram showing a conventional amplifier circuit, FIG. 2 is a circuit diagram showing one embodiment of the amplifier circuit according to this invention, and FIG. 3 is a circuit diagram showing another embodiment. Q2□~Q29...transistor, R21...resistor, 22...constant current source.
Claims (1)
カレントミラー回路を用いた高利得の差動増幅回路の出
力信号を該差動増幅回路の一方の入力端子に帰還させる
ことにより直流レベル及び交流信号の振幅レベルが入力
信号と等しい出力信号を得る増幅回路に於いて、前記カ
レントミラー回路を前記差動増幅回路の定電流源回路を
流れる電流によって駆動するように構成したことを特徴
とする増幅回路。By feeding back the output signal of a high-gain differential amplifier circuit using a current mirror circuit constituted by PNP transistors as a load circuit to one input terminal of the differential amplifier circuit, the DC level and the amplitude level of the AC signal can be adjusted. 1. An amplifier circuit for obtaining an output signal equal to an input signal, wherein the current mirror circuit is configured to be driven by a current flowing through a constant current source circuit of the differential amplifier circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13408181U JPS5840922U (en) | 1981-09-09 | 1981-09-09 | amplifier circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13408181U JPS5840922U (en) | 1981-09-09 | 1981-09-09 | amplifier circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5840922U true JPS5840922U (en) | 1983-03-17 |
Family
ID=29927523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13408181U Pending JPS5840922U (en) | 1981-09-09 | 1981-09-09 | amplifier circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5840922U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6086162U (en) * | 1983-11-22 | 1985-06-13 | 三菱自動車工業株式会社 | Movable thigh support type vehicle seat device |
| JPS6160863U (en) * | 1984-09-28 | 1986-04-24 |
-
1981
- 1981-09-09 JP JP13408181U patent/JPS5840922U/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6086162U (en) * | 1983-11-22 | 1985-06-13 | 三菱自動車工業株式会社 | Movable thigh support type vehicle seat device |
| JPS6160863U (en) * | 1984-09-28 | 1986-04-24 | ||
| JPH0226360Y2 (en) * | 1984-09-28 | 1990-07-18 |
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