JPS6115820U - amplifier - Google Patents
amplifierInfo
- Publication number
- JPS6115820U JPS6115820U JP10091584U JP10091584U JPS6115820U JP S6115820 U JPS6115820 U JP S6115820U JP 10091584 U JP10091584 U JP 10091584U JP 10091584 U JP10091584 U JP 10091584U JP S6115820 U JPS6115820 U JP S6115820U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- power supply
- constant current
- current source
- switch
- 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
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
図面は本考案の増幅器を示す回路図である。
主な図番の説明、２・・・電源ライン、３・・・カレン
トミラー回路、■・・・差動対、９・・・第１の定電流
源、１２・・・第３のトランジスタ、１３・・・第４の
トランジスタ、１４・・・第１のスイッチ、１５・・・
第２のスイッチ、１６・・・第１の直流電源、１７・・
・第２の直流電源。The drawing is a circuit diagram showing an amplifier according to the present invention. Explanation of main figure numbers, 2...Power supply line, 3...Current mirror circuit, ■...Differential pair, 9...First constant current source, 12...Third transistor, 13... Fourth transistor, 14... First switch, 15...
Second switch, 16...First DC power supply, 17...
-Second DC power supply.
Claims (1)
ラー回路、第１及び第２のトランジスタより成る差動′
対、及び第１の定電流源と、前記第１及び第２の電源ラ
イン間に直列接続した第２の定電流源、第１のスイッチ
、第３のトライジスタ、及び第１の直流電源と、前記第
１及び第２の電源ライン間に直列接続し、そのベースを
前記第２のトランジスタのコレクタと直流的に接続する
と共にエミツタを前記第２の−トランジスタのでースと
直流的に接続した第４のトランジスタ及び第、 ３の定
電流源と、可動端子と前記第３のトランジスタのベース
を接続すると共に一対の固定端子間に第２の直流電源を
接続し、かつ前記固定端子の一方を前記第３のトランジ
スタのコンレクタ及び前記第１の直流電源と接続した第
２のスイッチとより成り、前記第１及び第２のトランジ
スタのベースを前記第１の直流電源と接続して前記第１
のトランジスタのベースに所定信号を入力し、前記第１
及び第２のスイッチの設定により、帰還型及び非帰還型
と成されることを特徴とする増幅器。A differential circuit consisting of a current mirror circuit connected in series between the first and second power supply lines, and a first and second transistor.
and a first constant current source, a second constant current source, a first switch, a third tri-transistor, and a first DC power source connected in series between the first and second power supply lines; A first transistor connected in series between the first and second power supply lines, the base of which is connected in direct current to the collector of the second transistor, and the emitter of which is connected in direct current to the output of the second transistor. A fourth transistor and a third constant current source are connected to a movable terminal and a base of the third transistor, and a second DC power source is connected between a pair of fixed terminals, and one of the fixed terminals is connected to the third constant current source. a collector of a third transistor and a second switch connected to the first DC power supply; the bases of the first and second transistors are connected to the first DC power supply;
A predetermined signal is input to the base of the first transistor.
An amplifier characterized in that it can be configured as a feedback type or a non-feedback type by setting the second switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10091584U JPS6115820U (en) | 1984-07-04 | 1984-07-04 | amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10091584U JPS6115820U (en) | 1984-07-04 | 1984-07-04 | amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6115820U true JPS6115820U (en) | 1986-01-29 |
Family
ID=30660357
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10091584U Pending JPS6115820U (en) | 1984-07-04 | 1984-07-04 | amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6115820U (en) |
-
1984
- 1984-07-04 JP JP10091584U patent/JPS6115820U/en active Pending
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