JPH03128320U - - Google Patents

Info

Publication number
JPH03128320U
JPH03128320U JP3578490U JP3578490U JPH03128320U JP H03128320 U JPH03128320 U JP H03128320U JP 3578490 U JP3578490 U JP 3578490U JP 3578490 U JP3578490 U JP 3578490U JP H03128320 U JPH03128320 U JP H03128320U
Authority
JP
Japan
Prior art keywords
wave
power amplifier
reflected wave
frequency power
high frequency
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
JP3578490U
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 JP3578490U priority Critical patent/JPH03128320U/ja
Publication of JPH03128320U publication Critical patent/JPH03128320U/ja
Pending legal-status Critical Current

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Landscapes

  • Microwave Amplifiers (AREA)
  • Amplifiers (AREA)

Description

【図面の簡単な説明】
第1図は本考案の実施例を示す系統図、第2図
は従来例の系統図である。 1……高周波電力増幅器、2……方向性結合器
、3……検波回路、4……コンパレータ、5……
負荷、6……進行波検波回路、7……反射波検波
回路、8……可変抵抗器。

Claims (1)

  1. 【実用新案登録請求の範囲】 1 高周波電力増幅器において、方向性結合器に
    より進行波及び反射波の電力を取り出し、それぞ
    れ進行波、反射波用の検波器により検波し、反射
    波側の電圧が進行波側の電圧に対し設定比率以上
    となつた時、上記高周波電力増幅器の動作を停止
    させるようにしたことを特徴とする高周波電力増
    幅器の保護回路。 2 上記進行波、反射波用の検波器にバイアスを
    印加して、入力レベルによる検波特性を合せるよ
    うにしたことを特徴とする請求項1記載の高周波
    電力増幅器の保護回路。
JP3578490U 1990-04-04 1990-04-04 Pending JPH03128320U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3578490U JPH03128320U (ja) 1990-04-04 1990-04-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3578490U JPH03128320U (ja) 1990-04-04 1990-04-04

Publications (1)

Publication Number Publication Date
JPH03128320U true JPH03128320U (ja) 1991-12-24

Family

ID=31541443

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3578490U Pending JPH03128320U (ja) 1990-04-04 1990-04-04

Country Status (1)

Country Link
JP (1) JPH03128320U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008267684A (ja) * 2007-04-19 2008-11-06 Toda Biosystem:Kk エアコン室外機の機能向上設置構造

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066166A (ja) * 1983-09-22 1985-04-16 Nec Corp 増幅器保護回路
JPS60145712A (ja) * 1984-01-09 1985-08-01 Nec Corp 電力増幅器の保護用制御信号検出回路

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6066166A (ja) * 1983-09-22 1985-04-16 Nec Corp 増幅器保護回路
JPS60145712A (ja) * 1984-01-09 1985-08-01 Nec Corp 電力増幅器の保護用制御信号検出回路

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008267684A (ja) * 2007-04-19 2008-11-06 Toda Biosystem:Kk エアコン室外機の機能向上設置構造

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