DE3686431T2 - Schaltung zur detektion eines automatischen verstaerkungsregelungssignals. - Google Patents

Schaltung zur detektion eines automatischen verstaerkungsregelungssignals.

Info

Publication number
DE3686431T2
DE3686431T2 DE8686302389T DE3686431T DE3686431T2 DE 3686431 T2 DE3686431 T2 DE 3686431T2 DE 8686302389 T DE8686302389 T DE 8686302389T DE 3686431 T DE3686431 T DE 3686431T DE 3686431 T2 DE3686431 T2 DE 3686431T2
Authority
DE
Germany
Prior art keywords
transistors
circuit
terminals
input signal
vin
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.)
Expired - Fee Related
Application number
DE8686302389T
Other languages
German (de)
English (en)
Other versions
DE3686431D1 (de
Inventor
Kazuo Patent Division Hasegawa
Jyoji Patent Division To Maeda
Yasunori Patent Divis Miyahara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
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 Toshiba Corp filed Critical Toshiba Corp
Application granted granted Critical
Publication of DE3686431D1 publication Critical patent/DE3686431D1/de
Publication of DE3686431T2 publication Critical patent/DE3686431T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G3/00—Gain control in amplifiers or frequency changers
    • H03G3/20—Automatic control
    • H03G3/30—Automatic control in amplifiers having semiconductor devices
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/04—Modifications of control circuit to reduce distortion caused by control

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Control Of Amplification And Gain Control (AREA)
DE8686302389T 1985-03-29 1986-04-01 Schaltung zur detektion eines automatischen verstaerkungsregelungssignals. Expired - Fee Related DE3686431T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60065266A JPS61224607A (ja) 1985-03-29 1985-03-29 自動利得制御用検波回路

Publications (2)

Publication Number Publication Date
DE3686431D1 DE3686431D1 (de) 1992-09-24
DE3686431T2 true DE3686431T2 (de) 1993-04-01

Family

ID=13281940

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8686302389T Expired - Fee Related DE3686431T2 (de) 1985-03-29 1986-04-01 Schaltung zur detektion eines automatischen verstaerkungsregelungssignals.

Country Status (4)

Country Link
US (1) US4724337A (enExample)
EP (1) EP0196906B1 (enExample)
JP (1) JPS61224607A (enExample)
DE (1) DE3686431T2 (enExample)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1235685B (it) * 1989-03-13 1992-09-21 Sgs Thomson Microelectronics Circuito integrato per la generazione di una tensione indipendente dalla temperatura e con compressione di dinamica funzione del valore di una resistenza variabile esterna al circuito integrato.
US4990803A (en) * 1989-03-27 1991-02-05 Analog Devices, Inc. Logarithmic amplifier
US4929909A (en) * 1989-03-27 1990-05-29 Analog Devices, Inc. Differential amplifier with gain compensation
US5030924A (en) * 1989-03-30 1991-07-09 Silicon Systems, Inc. Temperature compensated exponential gain control circuit
JPH0423506A (ja) * 1990-05-17 1992-01-27 Nec Corp Ａｇｃ検波回路
US5162678A (en) * 1990-09-18 1992-11-10 Silicon Systems, Inc. Temperature compensation control circuit for exponential gain function of an agc amplifier
US5345185A (en) * 1992-04-14 1994-09-06 Analog Devices, Inc. Logarithmic amplifier gain stage
JP2753422B2 (ja) * 1992-06-15 1998-05-20 三菱電機株式会社 全波整流回路
JPH07109608B2 (ja) * 1992-10-30 1995-11-22 日本電気株式会社 マルチプライヤ
US5337020A (en) * 1993-03-12 1994-08-09 Matsushita Communication Industrial Corporation Of America Differential radio frequency detector/comparator for power level control
GB2280073B (en) * 1993-06-30 1996-11-27 Northern Telecom Ltd Amplifier circuit
JP3754070B2 (ja) * 1994-02-15 2006-03-08 ラムバス・インコーポレーテッド 遅延ロック・ループ
WO1995022202A1 (en) * 1994-02-15 1995-08-17 Rambus, Inc. Amplifier with active duty cycle correction
WO1996037952A1 (en) 1995-05-26 1996-11-28 Rambus, Inc. Phase shifter for use in a quadrature clock generator
US6833743B2 (en) * 2002-10-29 2004-12-21 Gong Gu Adjustment of a clock duty cycle
JP4781744B2 (ja) * 2005-08-05 2011-09-28 ローム株式会社 電源装置及びこれを用いた電気機器
JP2007288533A (ja) * 2006-04-17 2007-11-01 Sharp Corp レベル検波回路、集積回路および通信機器
US7948297B1 (en) 2008-11-17 2011-05-24 Hrl Laboratories, Llc Circuits and methods to minimize thermally generated offset voltages

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58213517A (ja) * 1982-06-07 1983-12-12 Nippon Telegr & Teleph Corp <Ntt> 利得制御形差動増幅器
JPS5989010A (ja) * 1982-11-12 1984-05-23 Hitachi Ltd Ｆｍ復調回路

Also Published As

Publication number Publication date
EP0196906A2 (en) 1986-10-08
US4724337A (en) 1988-02-09
EP0196906B1 (en) 1992-08-19
EP0196906A3 (en) 1989-03-08
JPS61224607A (ja) 1986-10-06
DE3686431D1 (de) 1992-09-24
JPH0347770B2 (enExample) 1991-07-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee