JPS611913U - voltage follower circuit - Google Patents
voltage follower circuitInfo
- Publication number
- JPS611913U JPS611913U JP8471084U JP8471084U JPS611913U JP S611913 U JPS611913 U JP S611913U JP 8471084 U JP8471084 U JP 8471084U JP 8471084 U JP8471084 U JP 8471084U JP S611913 U JPS611913 U JP S611913U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- voltage
- collector
- 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図は、従来の電圧フオロア回路を示す回路図、第２
図は本考案の一実施例を示す回路図、及び第３図は本考
案の別の実施例を示す回路図である。
主な図番の説明、１２，１３，１８，２０，２２，２４
・・・第１、第２、第３、第４、第５、第６トランジス
タ、１４，１９，２１・・・第１、第２、第３電流源、
↓ｌ・・・電流反転回路。Figure 1 is a circuit diagram showing a conventional voltage follower circuit, Figure 2 is a circuit diagram showing a conventional voltage follower circuit;
The figure is a circuit diagram showing one embodiment of the present invention, and FIG. 3 is a circuit diagram showing another embodiment of the present invention. Explanation of main drawing numbers, 12, 13, 18, 20, 22, 24
...first, second, third, fourth, fifth, sixth transistors, 14,19,21...first, second, third current sources,
↓l...Current reversal circuit.
Claims (1)
トランジスタと、該第１及び第２トランジスタのコレク
タ間に接続された電流反転回路と、ベースが前記第１ト
ランジスタのベースに、エミツタが第２電流源に、コレ
クタが前記第２トランジスタのコレクタ電圧と略等しい
電圧を有する点にそれぞれ接続された第３トランジスタ
と、ベースが前記第２トランジスタのベースに、エミツ
タが第３電流源に、コレクタが前記第１トランジスタの
コレクタ電圧と略等しい電圧を有する点にそれぞれ接続
された第４トランジスタと、前記第１及び第３トランジ
スタのベース電流を供給する第５トランジスタと、前記
第２及び第４トランジスタのベース電流を供給する第６
トランジスタとから成り、前記第１電流源に流れる電流
に対し、前記第２及び第３電流源に流れる電流をそれぞ
れ１／２に設定するとともに、前記第５トランジスタの
ベースに入力電圧を印加し、前記第６トランジスタのベ
ースにオフセットの無い出力電圧を発生する様にした電
圧発生回路。The first and second emitters are connected in common to the first current source.
a current inversion circuit connected between a transistor and collectors of the first and second transistors; a base connected to the base of the first transistor; an emitter connected to a second current source; and a collector connected to the collector voltage of the second transistor. a third transistor connected to a point having a substantially equal voltage; a point having a base connected to the base of the second transistor, an emitter connected to a third current source, and a collector connected to a point having a voltage substantially equal to the collector voltage of the first transistor; a fifth transistor that supplies the base currents of the first and third transistors, and a sixth transistor that supplies the base currents of the second and fourth transistors.
a transistor, the current flowing through the second and third current sources is set to 1/2 of the current flowing through the first current source, and an input voltage is applied to the base of the fifth transistor; A voltage generation circuit configured to generate an output voltage without offset at the base of the sixth transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8471084U JPS611913U (en) | 1984-06-07 | 1984-06-07 | voltage follower circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8471084U JPS611913U (en) | 1984-06-07 | 1984-06-07 | voltage follower circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS611913U true JPS611913U (en) | 1986-01-08 |
| JPH0349463Y2 JPH0349463Y2 (en) | 1991-10-22 |
Family
ID=30634448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8471084U Granted JPS611913U (en) | 1984-06-07 | 1984-06-07 | voltage follower circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS611913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08130421A (en) * | 1994-10-28 | 1996-05-21 | Nec Ic Microcomput Syst Ltd | Differential amplifier circuit |
-
1984
- 1984-06-07 JP JP8471084U patent/JPS611913U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08130421A (en) * | 1994-10-28 | 1996-05-21 | Nec Ic Microcomput Syst Ltd | Differential amplifier circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0349463Y2 (en) | 1991-10-22 |
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