JPH028214U - - Google Patents
Info
- Publication number
- JPH028214U JPH028214U JP8743588U JP8743588U JPH028214U JP H028214 U JPH028214 U JP H028214U JP 8743588 U JP8743588 U JP 8743588U JP 8743588 U JP8743588 U JP 8743588U JP H028214 U JPH028214 U JP H028214U
- Authority
- JP
- Japan
- Prior art keywords
- output amplifier
- transistor
- power consumption
- emitter
- potential
- 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
Description
第１図は本考案による出力増幅器の消費電力低
減回路の一実施例の構成を示す結線図、第２図は
従来の出力増幅器の消費電力低減回路の構成例を
示す結線図である。
３は制御電源、１１は前置増幅器、１２は出力
増幅器、２２，２４はトランジスタである。
FIG. 1 is a wiring diagram showing a configuration of an embodiment of a power consumption reduction circuit for an output amplifier according to the present invention, and FIG. 2 is a wiring diagram showing a configuration example of a conventional power consumption reduction circuit for an output amplifier. 3 is a control power supply, 11 is a preamplifier, 12 is an output amplifier, and 22 and 24 are transistors.
Claims (1)
と基準電位点との間にエミツタ抵抗器を介して接
続された第１のトランジスタを備え、上記出力増
幅器の待機時に、外部の制御電圧に基いて上記第
１のトランジスタのコレクタ電流を減少させて、
上記出力増幅器の消費電力を低減するようにした
出力増幅器の消費電力低減回路において、 そのベース電位が上記第１のトランジスタのベ
ース電位と実質的に等しい第２のトランジスタを
設け、 この第２のトランジスタのエミツタ電位を上記
制御電圧に基いて切換えるようにしてなる出力増
幅器の消費電力低減回路。[Claims for Utility Model Registration] A first transistor is connected between the output terminal of an emitter follower type output amplifier and a reference potential point via an emitter resistor, and when the output amplifier is on standby, an external control reducing the collector current of the first transistor based on the voltage;
In the output amplifier power consumption reduction circuit configured to reduce the power consumption of the output amplifier, a second transistor whose base potential is substantially equal to the base potential of the first transistor is provided, and the second transistor A power consumption reduction circuit for an output amplifier, which switches the emitter potential of the output amplifier based on the control voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8743588U JPH028214U (en) | 1988-06-30 | 1988-06-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8743588U JPH028214U (en) | 1988-06-30 | 1988-06-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH028214U true JPH028214U (en) | 1990-01-19 |
Family
ID=31312048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8743588U Pending JPH028214U (en) | 1988-06-30 | 1988-06-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH028214U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5122697U (en) * | 1974-08-05 | 1976-02-19 | ||
| JPS54172897U (en) * | 1978-05-26 | 1979-12-06 |
-
1988
- 1988-06-30 JP JP8743588U patent/JPH028214U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5122697U (en) * | 1974-08-05 | 1976-02-19 | ||
| JPS54172897U (en) * | 1978-05-26 | 1979-12-06 |
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