JPS59118337U - current source circuit - Google Patents
current source circuitInfo
- Publication number
- JPS59118337U JPS59118337U JP994483U JP994483U JPS59118337U JP S59118337 U JPS59118337 U JP S59118337U JP 994483 U JP994483 U JP 994483U JP 994483 U JP994483 U JP 994483U JP S59118337 U JPS59118337 U JP S59118337U
- Authority
- JP
- Japan
- Prior art keywords
- transistor
- emitter
- current source
- source circuit
- resistor
- 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
Landscapes
- Logic Circuits (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、従来の回路図、第２図は、本考案の一実施例
の回路図、第３図は、本考案の一実施例の説明図、第４
図は、本考案の他の実施例図の回路図である。
１・・・エミッタフォロアの電位、２・・・ダイオード
、 −３・・・抵抗、４・・・ベース、５・・・コ
レクタ、６・・・エミッタ、７・・・抵抗、８・・・■
工、９・・・負荷、１０・・・抵抗、１１・・・トラン
ジスタ、１２・・・電流源、１３・・・トランジスタ、
１４・・・ベース、１５・・・トランジスタ、１６・・
・容量。Fig. 1 is a conventional circuit diagram, Fig. 2 is a circuit diagram of an embodiment of the present invention, Fig. 3 is an explanatory diagram of an embodiment of the present invention, and Fig. 4 is an explanatory diagram of an embodiment of the present invention.
The figure is a circuit diagram of another embodiment of the present invention. 1... Potential of emitter follower, 2... Diode, -3... Resistor, 4... Base, 5... Collector, 6... Emitter, 7... Resistor, 8... ■
9...Load, 10...Resistor, 11...Transistor, 12...Current source, 13...Transistor,
14...Base, 15...Transistor, 16...
·capacity.
Claims (1)
、第１のトランジスタのエミッタに、第２のトランジス
タのコレクタが、直接または負荷回路を経由して接続さ
れており、第１のトランジスタのエミッタは、ンイオー
ドまたは抵抗を介して第２トランジスタのベースに接続
されており、第２トランジスタのエミッタは、抵抗もし
くは、ダイオードを介して、回路の低位の電源に接続さ
れ、第１トランジスタのベース入力信号が、高電位時に
、大電流を供給し、低電位時には小電流を供給する第２
トランジスタを設けたことを特徴とする電流源回路。There is a first transistor to which a pulse is applied from the base, and the collector of the second transistor is connected directly or via a load circuit to the emitter of the first transistor, and the emitter of the first transistor is connected to the emitter of the first transistor. the emitter of the second transistor is connected to the lower power supply of the circuit through the resistor or diode, and the base input signal of the first transistor is connected to the base of the second transistor through the resistor or resistor; The second one supplies a large current when the potential is high and supplies a small current when the potential is low.
A current source circuit characterized by having a transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP994483U JPS59118337U (en) | 1983-01-28 | 1983-01-28 | current source circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP994483U JPS59118337U (en) | 1983-01-28 | 1983-01-28 | current source circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59118337U true JPS59118337U (en) | 1984-08-09 |
Family
ID=30141391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP994483U Pending JPS59118337U (en) | 1983-01-28 | 1983-01-28 | current source circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59118337U (en) |
-
1983
- 1983-01-28 JP JP994483U patent/JPS59118337U/en active Pending
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