JPS61121018U - - Google Patents
Info
- Publication number
- JPS61121018U JPS61121018U JP577585U JP577585U JPS61121018U JP S61121018 U JPS61121018 U JP S61121018U JP 577585 U JP577585 U JP 577585U JP 577585 U JP577585 U JP 577585U JP S61121018 U JPS61121018 U JP S61121018U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- base
- current mirror
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Amplifiers (AREA)
Description
第１図は、本考案の一実施例を示す回路図、第
２図は従来の電流ミラー回路を示す回路図、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、５……第１トランジスタ、７
……第２トランジスタ、９……第１電流ミラー回
路、１２……第２電流ミラー回路、１５……駆動
トランジスタ、１６……補償トランジスタ。
FIG. 1 is a circuit diagram showing one embodiment of the present invention, FIG. 2 is a circuit diagram showing a conventional current mirror circuit, and FIG. 3 is a circuit diagram showing another embodiment of the present invention. Explanation of main figure numbers, 5...First transistor, 7
... second transistor, 9 ... first current mirror circuit, 12 ... second current mirror circuit, 15 ... drive transistor, 16 ... compensation transistor.
Claims (1)
スタと、コレクタが負荷に接続された第２トラン
ジスタと、前記第１トランジスタのコレクタ・ベ
ース間の負帰還回路を構成する第１及び第２電流
ミラー回路と、前記第２電流ミラー回路の出力側
トランジスタとベース及びエミツタが共通接続さ
れ、コレクタが前記第２トランジスタのベースに
接続された駆動トランジスタと、前記第１もしく
は第２電流ミラー回路に流れる電流に応じて前記
第２トランジスタから負荷に供給される電流を補
償する補償トランジスタとから成る電流ミラー回
路。 A first transistor whose collector is connected to a constant current source, a second transistor whose collector is connected to a load, and first and second current mirror circuits forming a negative feedback circuit between the collector and base of the first transistor. and a drive transistor whose base and emitter are commonly connected to the output side transistor of the second current mirror circuit, and whose collector is connected to the base of the second transistor, and a current flowing through the first or second current mirror circuit. and a compensation transistor for compensating the current supplied from the second transistor to the load accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP577585U JPS61121018U (en) | 1985-01-18 | 1985-01-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP577585U JPS61121018U (en) | 1985-01-18 | 1985-01-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61121018U true JPS61121018U (en) | 1986-07-30 |
Family
ID=30482594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP577585U Pending JPS61121018U (en) | 1985-01-18 | 1985-01-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61121018U (en) |
-
1985
- 1985-01-18 JP JP577585U patent/JPS61121018U/ja active Pending