JPH0174620U - - Google Patents

Info

Publication number
JPH0174620U
JPH0174620U JP1987171019U JP17101987U JPH0174620U JP H0174620 U JPH0174620 U JP H0174620U JP 1987171019 U JP1987171019 U JP 1987171019U JP 17101987 U JP17101987 U JP 17101987U JP H0174620 U JPH0174620 U JP H0174620U
Authority
JP
Japan
Prior art keywords
variable resistor
output
bias adjustment
comparison circuit
stage transistor
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
Application number
JP1987171019U
Other languages
English (en)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1987171019U priority Critical patent/JPH0174620U/ja
Publication of JPH0174620U publication Critical patent/JPH0174620U/ja
Pending legal-status Critical Current

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  • Amplifiers (AREA)

Description

【図面の簡単な説明】
図面は本考案に係る増幅回路の保護回路を示す
図である。 Q,Q……ドライバ段トランジスタ、Q
,Q……出力段トランジスタ、VR……バイア
ス調整用可変抵抗器、OP1,OP2……比較回
路、Q……スイツチングトランジスタ。

Claims (1)

  1. 【実用新案登録請求の範囲】 ドライバ段トランジスタのバイアス電流を調整
    する バイアス調整用可変抵抗器と、出力段トランジ
    スタの出力より直流分を取出して所定電圧と比較
    する比較回路と、前記比較回路の出力に応答して
    前記バイアス調整用可変抵抗器を短絡すべく導電
    するスイツチングトランジスタとを有することを
    特徴とする増幅回路の保護回路。
JP1987171019U 1987-11-09 1987-11-09 Pending JPH0174620U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987171019U JPH0174620U (ja) 1987-11-09 1987-11-09

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987171019U JPH0174620U (ja) 1987-11-09 1987-11-09

Publications (1)

Publication Number Publication Date
JPH0174620U true JPH0174620U (ja) 1989-05-19

Family

ID=31462470

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987171019U Pending JPH0174620U (ja) 1987-11-09 1987-11-09

Country Status (1)

Country Link
JP (1) JPH0174620U (ja)

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