JPS58109317U - Amplifier power supply circuit - Google Patents
Amplifier power supply circuitInfo
- Publication number
- JPS58109317U JPS58109317U JP621682U JP621682U JPS58109317U JP S58109317 U JPS58109317 U JP S58109317U JP 621682 U JP621682 U JP 621682U JP 621682 U JP621682 U JP 621682U JP S58109317 U JPS58109317 U JP S58109317U
- Authority
- JP
- Japan
- Prior art keywords
- power supply
- voltage
- amplifier
- supply circuit
- amplifier 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.)
- Granted
Links
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図は現在提案中の電力増幅器の電源供給回路の例を
示す図、第２図は第１図の回路の具体例を示す図、第３
図は第１．２図の回路の動作波形図、第４図は第１．２
図の回路の特性図、第５図は本考案の原理を示す図、第
６図及び第７図は本考案の実施例の各回路図、第８図は
第５図の回路の動作波形図である。
主要部分の符号の説明、５，６・・・・・・差動アンプ
、７、訃−・・・・・第１の電源、９．１０・・・・・
・第２の電源、１１．１２・・・・・・レベルシフト用
電源、１３・・・・・・負荷、１４・・・・・・高域レ
ベル検出回路、１５．１６・・・・・・スイッチング素
子、Ｑ、、 Ｑ、・・・・・・電力増幅用トランジスタ
Ｑ Ｄｌ、 Ｄ２・・・・・・一方向性ダイオード。Figure 1 is a diagram showing an example of a power supply circuit for a power amplifier currently being proposed, Figure 2 is a diagram showing a specific example of the circuit in Figure 1, and Figure 3 is a diagram showing a specific example of the circuit in Figure 1.
The figure is an operating waveform diagram of the circuit in Figure 1.2, and Figure 4 is the operating waveform diagram of the circuit in Figure 1.2.
Figure 5 is a diagram showing the principle of the present invention; Figures 6 and 7 are circuit diagrams of embodiments of the present invention; Figure 8 is an operating waveform diagram of the circuit in Figure 5. It is. Explanation of symbols of main parts, 5, 6... Differential amplifier, 7, Death... First power supply, 9.10...
・Second power supply, 11.12... Level shift power supply, 13... Load, 14... High frequency level detection circuit, 15.16...・Switching element, Q, Q,...Power amplification transistor Q Dl, D2...Unidirectional diode.
Claims (1)
第２の電源と、増幅器の出力信号レベルに応じた電圧を
発生する電圧発生手段と、前記電圧発生手段の電圧が前
記第１の電源電圧よりも大なる時に前記第１の電源電圧
に代えて前記電圧発生手段の電圧を前記増幅器へ給電す
る手段と、前記出力信号の高周波成分が所定レベル以上
のときに前記電圧発生手段の電圧に代えて前記第２の電
源電圧を前記増幅器へ給電する手段キを含むことを特徴
とする増幅器の電源供給回路。a first power source; a second power source that generates a wax pressure from the first power source; a voltage generating means that generates a voltage according to the output signal level of the amplifier; means for supplying the voltage of the voltage generating means to the amplifier in place of the first power supply voltage when the voltage is higher than a first power supply voltage; A power supply circuit for an amplifier, comprising means for supplying said second power supply voltage to said amplifier in place of the voltage of said means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP621682U JPS58109317U (en) | 1982-01-20 | 1982-01-20 | Amplifier power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP621682U JPS58109317U (en) | 1982-01-20 | 1982-01-20 | Amplifier power supply circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58109317U true JPS58109317U (en) | 1983-07-26 |
| JPH0233384Y2 JPH0233384Y2 (en) | 1990-09-07 |
Family
ID=30018999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP621682U Granted JPS58109317U (en) | 1982-01-20 | 1982-01-20 | Amplifier power supply circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58109317U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158517U (en) * | 1982-04-16 | 1983-10-22 | ヤマハ株式会社 | power amplifier |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7761066B2 (en) * | 2006-01-27 | 2010-07-20 | Marvell World Trade Ltd. | Variable power adaptive transmitter |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5144857A (en) * | 1974-10-16 | 1976-04-16 | Hitachi Ltd | DENGENDENAT SUSEIGYOGATAZOFUKUKI |
| JPS58103208A (en) * | 1981-12-15 | 1983-06-20 | Matsushita Electric Ind Co Ltd | Power amplifier |
-
1982
- 1982-01-20 JP JP621682U patent/JPS58109317U/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5144857A (en) * | 1974-10-16 | 1976-04-16 | Hitachi Ltd | DENGENDENAT SUSEIGYOGATAZOFUKUKI |
| JPS58103208A (en) * | 1981-12-15 | 1983-06-20 | Matsushita Electric Ind Co Ltd | Power amplifier |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58158517U (en) * | 1982-04-16 | 1983-10-22 | ヤマハ株式会社 | power amplifier |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0233384Y2 (en) | 1990-09-07 |
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