JPS5963518U - Power amplifier protection circuit - Google Patents
Power amplifier protection circuitInfo
- Publication number
- JPS5963518U JPS5963518U JP15957882U JP15957882U JPS5963518U JP S5963518 U JPS5963518 U JP S5963518U JP 15957882 U JP15957882 U JP 15957882U JP 15957882 U JP15957882 U JP 15957882U JP S5963518 U JPS5963518 U JP S5963518U
- Authority
- JP
- Japan
- Prior art keywords
- power amplifier
- circuit
- protection circuit
- time constant
- amplifier protection
- 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
第１図は従来の電力増幅器の保護回路の一構成例を示す
回路図、第２図および第３図は同回路の動作を説明する
ための特性図、第４図はこの考案の一実施例の構成を示
す回路図である。Fig. 1 is a circuit diagram showing an example of the configuration of a conventional power amplifier protection circuit, Figs. 2 and 3 are characteristic diagrams for explaining the operation of the same circuit, and Fig. 4 is an example of an embodiment of this invention. FIG.
Claims (1)
この結果得られた検出信号に応じて入力信号の信号レベ
ルを制限するコレクタ損失制限回路と、前記検出信号を
所定の時定数で積分する時定数回路と、この時定数回路
の出力が設定値を越、えた場合に前記電力増幅器の出力
端子と負荷とを切り離す遮断制御回路とを設けて構成し
たことを特徴とする電力増幅器の保護回路。a collector loss limiting circuit that detects a collector loss of an output transistor of a power amplifier and limits the signal level of an input signal according to a detection signal obtained as a result; and a time constant circuit that integrates the detection signal with a predetermined time constant. A protection circuit for a power amplifier, comprising: a cutoff control circuit that disconnects the output terminal of the power amplifier from the load when the output of the time constant circuit exceeds a set value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15957882U JPS5963518U (en) | 1982-10-21 | 1982-10-21 | Power amplifier protection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15957882U JPS5963518U (en) | 1982-10-21 | 1982-10-21 | Power amplifier protection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5963518U true JPS5963518U (en) | 1984-04-26 |
Family
ID=30351241
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15957882U Pending JPS5963518U (en) | 1982-10-21 | 1982-10-21 | Power amplifier protection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5963518U (en) |
-
1982
- 1982-10-21 JP JP15957882U patent/JPS5963518U/en active Pending
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