JPS5843018U - Amplifier protection circuit - Google Patents
Amplifier protection circuitInfo
- Publication number
- JPS5843018U JPS5843018U JP13851881U JP13851881U JPS5843018U JP S5843018 U JPS5843018 U JP S5843018U JP 13851881 U JP13851881 U JP 13851881U JP 13851881 U JP13851881 U JP 13851881U JP S5843018 U JPS5843018 U JP S5843018U
- Authority
- JP
- Japan
- Prior art keywords
- protection circuit
- thyristor
- voltage
- abnormality detection
- amplifier
- 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) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第1図は、本考案の一実施例を示す回路ブロック図、第
2図は、本考案の他の実施例を示す一部回路ブロック図
である。
主要部分の符号の説明、1・・・・・・増幅器、2・・
・・・・電源供給回路、3・・・・・・トリガ阻止手段
、4・・・・・・異常検出回路。FIG. 1 is a circuit block diagram showing one embodiment of the present invention, and FIG. 2 is a partial circuit block diagram showing another embodiment of the present invention. Explanation of symbols of main parts, 1...Amplifier, 2...
... Power supply circuit, 3 ... Trigger blocking means, 4 ... Abnormality detection circuit.
Claims (2)
される増幅器の保護回路であって、前記直流電圧を得る
ための整流素子として接続されたサイリスタと、前記サ
イリスタのゲートにトリガ信号を供給するトリガ信号益
虫回路と、前記増幅器の異常を検出して異常検出信号を
発生する異常検出回路と、前記異常検出信号に応じて前
記サイリスタへの前記トリガ信号の供給を阻止するトリ
ガ阻止手段とからなることを特徴とする保護回路。(1) A protection circuit for an amplifier to which a DC voltage obtained by converting an AC voltage is supplied, and supplies a trigger signal to a thyristor connected as a rectifying element for obtaining the DC voltage and the gate of the thyristor. an abnormality detection circuit that detects an abnormality in the amplifier and generates an abnormality detection signal; and a trigger blocking means that blocks supply of the trigger signal to the thyristor in response to the abnormality detection signal. A protection circuit characterized by:
ートに一端を接続された抵抗と、前記抵抗の他端と前記
サイリスタのアノード間に接続され前記交流電圧と同期
した電圧を発生する電源トランスの二次側巻線とからな
ることを特徴とする実用新案登録請求の範囲第1項記載
の保護回路。(2) The signal generating circuit includes a resistor whose one end is connected to the gate of the thyristor, and a power transformer which is connected between the other end of the resistor and the anode of the thyristor and generates a voltage synchronized with the AC voltage. A protection circuit according to claim 1, characterized in that the protection circuit comprises a secondary winding.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13851881U JPS5843018U (en) | 1981-09-18 | 1981-09-18 | Amplifier protection circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13851881U JPS5843018U (en) | 1981-09-18 | 1981-09-18 | Amplifier protection circuit |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5843018U true JPS5843018U (en) | 1983-03-23 |
Family
ID=29931739
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13851881U Pending JPS5843018U (en) | 1981-09-18 | 1981-09-18 | Amplifier protection circuit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5843018U (en) |
-
1981
- 1981-09-18 JP JP13851881U patent/JPS5843018U/en active Pending
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