JPS59127323U - differential amplifier - Google Patents
differential amplifierInfo
- Publication number
- JPS59127323U JPS59127323U JP2020183U JP2020183U JPS59127323U JP S59127323 U JPS59127323 U JP S59127323U JP 2020183 U JP2020183 U JP 2020183U JP 2020183 U JP2020183 U JP 2020183U JP S59127323 U JPS59127323 U JP S59127323U
- Authority
- JP
- Japan
- Prior art keywords
- differential amplifier
- current source
- common
- fet
- collector
- 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図は従来の差動増幅器を示す図、第２図は本考案
に係る差動増幅器の実施例を示す図、第３図体第２図回
路の動作特性を示す図、第４図は第２図回路において素
子のばらつきを考慮したときの動作特性を示す図である
。
Ｑ□ｅ Ｑ２・・・差動トランジスタ、Ｑ３． Ｑ、・
・・ＦＥＴ、 。
Ｒ１，Ｒ２，Ｒ３・・・抵抗、１．２・・・入力端、３
・・・出力端。Fig. 1 is a diagram showing a conventional differential amplifier, Fig. 2 is a diagram showing an embodiment of the differential amplifier according to the present invention, Fig. 3 is a diagram showing the operating characteristics of the circuit, and Fig. 4 is a diagram showing the operating characteristics of the circuit. FIG. 2 is a diagram showing operating characteristics when considering variations in elements in the circuit. Q□e Q2...Differential transistor, Q3. Q...
...FET, . R1, R2, R3...Resistance, 1.2...Input end, 3
...output end.
Claims (1)
と、コレクタ（またはドレイン）の出力負荷とをＦＥＴ
による定電流源により構成した差動増幅器であって、前
記面ＦＥＴの特性をそろえるとともに、少な（とも一方
のＦＥＴのソースに抵抗を接続して所定の電流比で両Ｆ
ＥＴを動作するようにしたことを特徴とする差動増幅器
。A current source connected to a common emitter (or common source) and an output load on the collector (or drain) of an FET
This is a differential amplifier constructed with a constant current source according to
A differential amplifier characterized by operating an ET.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020183U JPS59127323U (en) | 1983-02-14 | 1983-02-14 | differential amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020183U JPS59127323U (en) | 1983-02-14 | 1983-02-14 | differential amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59127323U true JPS59127323U (en) | 1984-08-27 |
Family
ID=30151329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2020183U Pending JPS59127323U (en) | 1983-02-14 | 1983-02-14 | differential amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59127323U (en) |
-
1983
- 1983-02-14 JP JP2020183U patent/JPS59127323U/en active Pending
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