JPS6022016U - automatic power control circuit - Google Patents

automatic power control circuit

Info

Publication number
JPS6022016U
JPS6022016U JP11312383U JP11312383U JPS6022016U JP S6022016 U JPS6022016 U JP S6022016U JP 11312383 U JP11312383 U JP 11312383U JP 11312383 U JP11312383 U JP 11312383U JP S6022016 U JPS6022016 U JP S6022016U
Authority
JP
Japan
Prior art keywords
power control
automatic power
control circuit
transistor
operational 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
Application number
JP11312383U
Other languages
Japanese (ja)
Inventor
福地　敏
坂本　高雄
Original Assignee
日立電子株式会社
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 by 日立電子株式会社 filed Critical 日立電子株式会社
Priority to JP11312383U priority Critical patent/JPS6022016U/en
Publication of JPS6022016U publication Critical patent/JPS6022016U/en
Pending legal-status Critical Current

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  • Control Of Amplification And Gain Control (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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来のＡＰＣ回路、第２図は本考案の実施例で
ある。 １：電力増幅器、４：ＰＩＮタイオード、５：検波ダイ
オード、６：演算増幅器、？、　　８．　１１＝トラン
ジスタ。FIG. 1 shows a conventional APC circuit, and FIG. 2 shows an embodiment of the present invention. 1: Power amplifier, 4: PIN diode, 5: Detection diode, 6: Operational amplifier, ? , 8. 11 = transistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電力増幅器、可変減衰器、検波器お“よひ演算増幅器か
ら成る自動電力制御計回路において、演算増幅器の負端
子に第１の抵抗およびそれに並列にトランジスタおよび
第２の抵抗を直列接続したものを接続し、出力レベル切
換信号に同期してこのトランジスタをオン・オフし演算
増幅器の実効入力抵抗を変化させることを特徴とする自
動電力制御回路。In an automatic power control meter circuit consisting of a power amplifier, a variable attenuator, a detector, and an operational amplifier, a first resistor is connected in series with a transistor and a second resistor in parallel to the negative terminal of the operational amplifier. An automatic power control circuit characterized in that the transistor is connected to the output level switch and the transistor is turned on and off in synchronization with an output level switching signal to change the effective input resistance of the operational amplifier.
JP11312383U 1983-07-22 1983-07-22 automatic power control circuit Pending JPS6022016U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11312383U JPS6022016U (en) 1983-07-22 1983-07-22 automatic power control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11312383U JPS6022016U (en) 1983-07-22 1983-07-22 automatic power control circuit

Publications (1)

Publication Number Publication Date
JPS6022016U true JPS6022016U (en) 1985-02-15

Family

ID=30261985

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11312383U Pending JPS6022016U (en) 1983-07-22 1983-07-22 automatic power control circuit

Country Status (1)

Country Link
JP (1) JPS6022016U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007189413A (en) * 2006-01-12 2007-07-26 Niigata Seimitsu Kk Automatic power output control circuit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5295146A (en) * 1976-02-06 1977-08-10 Yagi Antenna Circuit for controlling agc circuit
JPS591244B2 (en) * 1978-06-23 1984-01-11 三菱レイヨン株式会社 Method for producing methacrolein, methacrylic acid and 1,3↓-butadiene

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5295146A (en) * 1976-02-06 1977-08-10 Yagi Antenna Circuit for controlling agc circuit
JPS591244B2 (en) * 1978-06-23 1984-01-11 三菱レイヨン株式会社 Method for producing methacrolein, methacrylic acid and 1,3↓-butadiene

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007189413A (en) * 2006-01-12 2007-07-26 Niigata Seimitsu Kk Automatic power output control circuit

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