JPS6126316U - Power amplifier power supply voltage switching circuit - Google Patents
Power amplifier power supply voltage switching circuitInfo
- Publication number
- JPS6126316U JPS6126316U JP11137984U JP11137984U JPS6126316U JP S6126316 U JPS6126316 U JP S6126316U JP 11137984 U JP11137984 U JP 11137984U JP 11137984 U JP11137984 U JP 11137984U JP S6126316 U JPS6126316 U JP S6126316U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- power amplifier
- supply voltage
- switching circuit
- voltage switching
- 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
- 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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【図面の簡単な説明】
第1図は本考案による電力増幅器の電源電圧切換え回路
の一実施例を示す結線図、第2区及び第3図は本考案の
説明に供する線図、第4図は従来の電力増幅器の電滌電
圧切換え回路のi成例を示すブロック図、第5図は本考
案の説明に供する波形図である。
11及び110は分圧回路、13は比較回路、14及び
15は電子スイッチ、130及び135はシュミットト
リガ回路、140及び150は切換回路としてのスイッ
チング回路である。[Brief Description of the Drawings] Fig. 1 is a wiring diagram showing an embodiment of the power supply voltage switching circuit for a power amplifier according to the present invention, Sections 2 and 3 are diagrams for explaining the present invention, and Fig. 4 5 is a block diagram showing an example of a conventional electric voltage switching circuit of a power amplifier, and FIG. 5 is a waveform diagram for explaining the present invention. 11 and 110 are voltage dividing circuits, 13 is a comparison circuit, 14 and 15 are electronic switches, 130 and 135 are Schmitt trigger circuits, and 140 and 150 are switching circuits as switching circuits.
Claims (1)
回路と、該比較回路の出力に応じて上記電力増幅器に高
電源電圧または低電源電圧を切換えて供給する切換え回
路とを有する電力増幅器の電源電圧切換え回路において
、微分特性を有する分圧回路を設け、該分圧回路を介し
て上記電力増幅器の出力信号を上記比較回路に供給して
成る電力増幅器の電源電圧切換え回路。A power supply for a power amplifier, comprising a comparison circuit that compares the level of an output signal of the power amplifier with a reference value, and a switching circuit that switches and supplies a high power supply voltage or a low power supply voltage to the power amplifier according to the output of the comparison circuit. A power supply voltage switching circuit for a power amplifier, the voltage switching circuit comprising a voltage dividing circuit having a differential characteristic and supplying an output signal of the power amplifier to the comparator circuit via the voltage dividing circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11137984U JPS6126316U (en) | 1984-07-23 | 1984-07-23 | Power amplifier power supply voltage switching circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11137984U JPS6126316U (en) | 1984-07-23 | 1984-07-23 | Power amplifier power supply voltage switching circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6126316U true JPS6126316U (en) | 1986-02-17 |
Family
ID=30670473
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11137984U Pending JPS6126316U (en) | 1984-07-23 | 1984-07-23 | Power amplifier power supply voltage switching circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6126316U (en) |
-
1984
- 1984-07-23 JP JP11137984U patent/JPS6126316U/en active Pending
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