JPS5885813U - differential amplifier - Google Patents
differential amplifierInfo
- Publication number
- JPS5885813U JPS5885813U JP8843382U JP8843382U JPS5885813U JP S5885813 U JPS5885813 U JP S5885813U JP 8843382 U JP8843382 U JP 8843382U JP 8843382 U JP8843382 U JP 8843382U JP S5885813 U JPS5885813 U JP S5885813U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- emitter
- emitter follower
- constant current
- 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.)
- Granted
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図はこの考案を説明するための接続図、
第３図及び第４図はこの考案の一例の接続図である。
３０は入力端子、３１．３２は出力端子である。Figures 1 and 2 are connection diagrams for explaining this invention.
3 and 4 are connection diagrams of an example of this invention. 30 is an input terminal, and 31.32 is an output terminal.
Claims (1)
通の定電流源２０に接続きれ、上記第１のトランジスタ
１１のベースが入力信号源３０に接続されると共に、第
１の抵抗器６３を通じて第１のエミッタフォロワのトラ
ンジスタ１３のエミッタに接続され、上記第２のトラン
ジスタ１２のベースが第２のエミッタフォロワのトラン
ジスタ１４のエミッタに接続され、この第２のエミッタ
フォロワのトランジスタ１４のベースが第２の抵抗器６
４を通じて上記第１のエミッタフォロワのトランジスタ
１３のベースに接続され、この第１のエミッタフォロワ
のトランジスタ１３のベースと上記第２の抵抗器６４と
の接続点に、バイアス回路６５．６６からバイアス電圧
が供給されると共に、上記定電流源２０の定電流、上記
第２のエミッタフォロワのトランジスタ１４のエミッタ
電流、上記第１及び第２の抵抗器６３．６４の値が選定
されて上記第１及び第２のトランジスタ１１゜１２のベ
ースに互いに等しいバイアス電圧が供給されるようにし
た差動アンプ。The emitters of the first and second transistors 11 and 12 are connected to a common constant current source 20, the base of the first transistor 11 is connected to the input signal source 30, and the The base of the second transistor 12 is connected to the emitter of the transistor 14 of the second emitter follower, and the base of the transistor 14 of the second emitter follower is connected to the emitter of the transistor 13 of the second emitter follower. resistor 6
4 is connected to the base of the transistor 13 of the first emitter follower, and a bias voltage is applied from a bias circuit 65 to a connection point between the base of the transistor 13 of the first emitter follower and the second resistor 64. is supplied, and the constant current of the constant current source 20, the emitter current of the transistor 14 of the second emitter follower, and the values of the first and second resistors 63 and 64 are selected, and the values of the first and second resistors 63 and 64 are selected. A differential amplifier in which equal bias voltages are supplied to the bases of the second transistors 11 and 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8843382U JPS5885813U (en) | 1982-06-14 | 1982-06-14 | differential amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8843382U JPS5885813U (en) | 1982-06-14 | 1982-06-14 | differential amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5885813U true JPS5885813U (en) | 1983-06-10 |
| JPS6121857Y2 JPS6121857Y2 (en) | 1986-07-01 |
Family
ID=29883605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8843382U Granted JPS5885813U (en) | 1982-06-14 | 1982-06-14 | differential amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5885813U (en) |
-
1982
- 1982-06-14 JP JP8843382U patent/JPS5885813U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6121857Y2 (en) | 1986-07-01 |
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