JPS6442612U - - Google Patents
Info
- Publication number
- JPS6442612U JPS6442612U JP13689187U JP13689187U JPS6442612U JP S6442612 U JPS6442612 U JP S6442612U JP 13689187 U JP13689187 U JP 13689187U JP 13689187 U JP13689187 U JP 13689187U JP S6442612 U JPS6442612 U JP S6442612U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- collector
- power supply
- whose
- base
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Amplifiers (AREA)
Description
第1図はこの考案の一実施例に係る差動増幅器
を示す回路構成図、第2図及び第3図は従来の差
動増幅器を示す回路構成図である。
Q1〜Q4……トランジスタ、Vo1,Vo2
……第1及び第2の入力端、I01……第1の電
流源、51……第2の電流源、Vcc……電源
、RL……抵抗、VOUT……出力端。
FIG. 1 is a circuit diagram showing a differential amplifier according to an embodiment of the invention, and FIGS. 2 and 3 are circuit diagrams showing a conventional differential amplifier. Q 1 to Q 4 ...transistor, V o1 , V o2
...First and second input terminals, I01 ...First current source, 51 ...Second current source, Vcc ...Power supply, RL...Resistor, VOUT...Output terminal.
Claims (1)
接地された第1の電流源に接続されてなる第1の
トランジスタと、ベースが第2の入力端に接続さ
れ、エミツタが前記第1の電流源に接続された第
2のトランジスタと、前記第1のトランジスタの
コレクタに対してベース及びコレクタが接続され
、エミツタが電源に接続された第3のトランジス
タと、この第3のトランジスタのベースに対ベー
スが接続され、エミツタが前記電源に接続される
もので、コレクタが前記第2のトランジスタのコ
レクタに接続された第4のトランジスタと、前記
第2及び第4のトランジスタのコレクタと前記電
源間に接続される抵抗と、この抵抗に接続された
接地されてなる第2の電流源とを具備したことを
特徴とする差動増幅器。 a first transistor having a base connected to a first input terminal and an emitter connected to a grounded first current source; a first transistor having a base connected to a second input terminal and having an emitter connected to the first current source; a second transistor connected to the power supply, a third transistor whose base and collector are connected to the collector of the first transistor and whose emitter is connected to the power supply; and a third transistor whose base and collector are connected to the power supply; a fourth transistor whose base is connected, whose emitter is connected to the power supply, and whose collector is connected to the collector of the second transistor; and between the collectors of the second and fourth transistors and the power supply. A differential amplifier comprising: a resistor connected to the resistor; and a grounded second current source connected to the resistor.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13689187U JPS6442612U (en) | 1987-09-08 | 1987-09-08 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13689187U JPS6442612U (en) | 1987-09-08 | 1987-09-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6442612U true JPS6442612U (en) | 1989-03-14 |
Family
ID=31397821
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13689187U Pending JPS6442612U (en) | 1987-09-08 | 1987-09-08 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6442612U (en) |
-
1987
- 1987-09-08 JP JP13689187U patent/JPS6442612U/ja active Pending
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