JPH0324707U - - Google Patents
Info
- Publication number
- JPH0324707U JPH0324707U JP8511089U JP8511089U JPH0324707U JP H0324707 U JPH0324707 U JP H0324707U JP 8511089 U JP8511089 U JP 8511089U JP 8511089 U JP8511089 U JP 8511089U JP H0324707 U JPH0324707 U JP H0324707U
- Authority
- JP
- Japan
- Prior art keywords
- amplifier
- power supply
- circuit
- turning
- power
- 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
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000020169 heat generation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Landscapes
- Control Of Amplification And Gain Control (AREA)
- Amplifiers (AREA)
Description
第１図はこの考案に係る増幅器用電源のオン・
オフ回路の実施例を示す回路図である。第２図は
従来例の回路図である。
主な符号の説明、１……増幅回路、１ａ……初
段電圧増幅回路、１ｂ……２段目電圧増幅回路、
１ｃ……カレントミラー回路、１ｄ……バイアス
回路、１ｅ……終段電力増幅回路、２……安定化
回路、２ａ……トランジスタ、３……整流回路、
４……電源トランス。
Figure 1 shows the on/off state of the amplifier power supply according to this invention.
FIG. 3 is a circuit diagram showing an example of an off-circuit. FIG. 2 is a circuit diagram of a conventional example. Explanation of main symbols, 1...Amplification circuit, 1a...First stage voltage amplification circuit, 1b...Second stage voltage amplification circuit,
1c... Current mirror circuit, 1d... Bias circuit, 1e... Final stage power amplifier circuit, 2... Stabilization circuit, 2a... Transistor, 3... Rectifier circuit,
4...Power transformer.
Claims (1)
をオン・オフしないで、増幅器に加わる電源のオ
ン・オフができるように構成した増幅器用電源の
オン・オフ回路において、 前記増幅器を構成する初段電圧増幅回路のバイ
アス電源をオフする手段を設け、初段電圧増幅回
路以後の増幅回路のバイアス電流をゼロとし、増
幅器の電源のオフと等価にさせて、消費電力及び
、増幅器の能動素子の発熱を無くするように構成
したことを特徴とする増幅器用電源のオン・オフ
回路。[Claim for Utility Model Registration] In an amplifier power supply on/off circuit configured to turn on and off the power supply to the amplifier without turning on and off the primary side of the power transformer that constitutes the power supply of the amplifier, A means for turning off the bias power supply of the first-stage voltage amplification circuit constituting the amplifier is provided, and the bias current of the amplifier circuit after the first-stage voltage amplification circuit is set to zero, which is equivalent to turning off the power supply of the amplifier, thereby reducing power consumption and reducing the power consumption of the amplifier. An on/off circuit for an amplifier power supply, characterized in that it is configured to eliminate heat generation from active elements of the amplifier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8511089U JPH0324707U (en) | 1989-07-21 | 1989-07-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8511089U JPH0324707U (en) | 1989-07-21 | 1989-07-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0324707U true JPH0324707U (en) | 1991-03-14 |
Family
ID=31634045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8511089U Pending JPH0324707U (en) | 1989-07-21 | 1989-07-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0324707U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007155995A (en) * | 2005-12-02 | 2007-06-21 | Inax Corp | Display system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5750720B2 (en) * | 1973-03-21 | 1982-10-28 | ||
| JPS6020625B2 (en) * | 1977-10-27 | 1985-05-23 | 株式会社大金製作所 | Change operation booster |
| JPS60151728A (en) * | 1984-01-19 | 1985-08-09 | Sharp Corp | Power supply on/off control circuit |
-
1989
- 1989-07-21 JP JP8511089U patent/JPH0324707U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5750720B2 (en) * | 1973-03-21 | 1982-10-28 | ||
| JPS6020625B2 (en) * | 1977-10-27 | 1985-05-23 | 株式会社大金製作所 | Change operation booster |
| JPS60151728A (en) * | 1984-01-19 | 1985-08-09 | Sharp Corp | Power supply on/off control circuit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007155995A (en) * | 2005-12-02 | 2007-06-21 | Inax Corp | Display system |