JPS6095719U - amplifier - Google Patents
amplifierInfo
- Publication number
- JPS6095719U JPS6095719U JP18831183U JP18831183U JPS6095719U JP S6095719 U JPS6095719 U JP S6095719U JP 18831183 U JP18831183 U JP 18831183U JP 18831183 U JP18831183 U JP 18831183U JP S6095719 U JPS6095719 U JP S6095719U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- amplifier
- power supply
- switch
- sets
- 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
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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の増幅器を示す回路図、第２図は本考案に
よる増幅器のニ実施例を示す回路図、第 −３図は第２
図の増幅器の具体例を示す回路図、第４図は本考案によ
る増幅器の他の実施例を示す回路図である。
１・・・電力増幅回路、２・・・高電圧側電力増幅回路
、３・・・低電圧側電力増幅回路、４，２１・・・スイ
ッチ回路、７・・・負荷、８・・・保護回路、９・・・
比較回路、十ＨＢ、−ＨＢ−・・高電圧側電源、＋ＬＢ
、 −ＬＢ・・・低電圧側電源。
［］□Fig. 1 is a circuit diagram showing a conventional amplifier, Fig. 2 is a circuit diagram showing two embodiments of an amplifier according to the present invention, and Fig. 3 is a circuit diagram showing two embodiments of an amplifier according to the present invention.
FIG. 4 is a circuit diagram showing a specific example of the amplifier shown in the figure, and FIG. 4 is a circuit diagram showing another embodiment of the amplifier according to the present invention. DESCRIPTION OF SYMBOLS 1... Power amplifier circuit, 2... High voltage side power amplifier circuit, 3... Low voltage side power amplifier circuit, 4, 21... Switch circuit, 7... Load, 8... Protection Circuit, 9...
Comparison circuit, 10HB, -HB-...High voltage side power supply, +LB
, -LB...Low voltage side power supply. []□
Claims (1)
れぞれ対応した２組の電力増幅回路を持ち、出力レベル
に応じて電源回路と電力増幅回路を切替えるように構成
された増幅器、あるいは高低両電圧を与える２組の電源
を持ち、出力レベルに応じてその電源回路を切替えるよ
うに構成された増幅器であって、かつ、前記の切替えを
行なうスイッチ回路と、切替えを判断する比較回路と、
出力電流を制限する保護回路とを有するものにおいて、
前記保護回路が動作した際に、前記比較回路が該動作を
検知し、前記スイッチ回路を低電圧側に切替える構成を
有することを特徴とする増幅器。An amplifier that has two sets of power supply circuits that provide both high and low voltages and two sets of power amplifier circuits corresponding to each power supply circuit, and is configured to switch between the power supply circuit and the power amplifier circuit according to the output level, or An amplifier having two sets of power supplies that supply both voltages, and configured to switch the power supply circuits according to the output level, a switch circuit that performs the switching, and a comparison circuit that determines switching;
In those having a protection circuit that limits the output current,
An amplifier characterized in that, when the protection circuit operates, the comparison circuit detects the operation and switches the switch circuit to a low voltage side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18831183U JPS6095719U (en) | 1983-12-06 | 1983-12-06 | amplifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18831183U JPS6095719U (en) | 1983-12-06 | 1983-12-06 | amplifier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6095719U true JPS6095719U (en) | 1985-06-29 |
| JPH0145153Y2 JPH0145153Y2 (en) | 1989-12-27 |
Family
ID=30406275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18831183U Granted JPS6095719U (en) | 1983-12-06 | 1983-12-06 | amplifier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6095719U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6077117U (en) * | 1983-10-31 | 1985-05-29 | 株式会社ケンウッド | protection circuit |
-
1983
- 1983-12-06 JP JP18831183U patent/JPS6095719U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6077117U (en) * | 1983-10-31 | 1985-05-29 | 株式会社ケンウッド | protection circuit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0145153Y2 (en) | 1989-12-27 |
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