DE3686431D1 - Schaltung zur detektion eines automatischen verstaerkungsregelungssignals. - Google Patents
Schaltung zur detektion eines automatischen verstaerkungsregelungssignals.Info
- Publication number
- DE3686431D1 DE3686431D1 DE8686302389T DE3686431T DE3686431D1 DE 3686431 D1 DE3686431 D1 DE 3686431D1 DE 8686302389 T DE8686302389 T DE 8686302389T DE 3686431 T DE3686431 T DE 3686431T DE 3686431 D1 DE3686431 D1 DE 3686431D1
- Authority
- DE
- Germany
- Prior art keywords
- detecting
- circuit
- control signal
- gain control
- automatic gain
- 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 - Lifetime
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)
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 true DE3686431D1 (de) | 1992-09-24 |
DE3686431T2 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 (de) |
EP (1) | EP0196906B1 (de) |
JP (1) | JPS61224607A (de) |
DE (1) | DE3686431T2 (de) |
Families Citing this family (18)
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 |
WO1995022206A1 (en) * | 1994-02-15 | 1995-08-17 | Rambus, Inc. | Delay-locked loop |
AU1726795A (en) * | 1994-02-15 | 1995-08-29 | Rambus Inc. | Amplifier with active duty cycle correction |
DE69635626T2 (de) | 1995-05-26 | 2006-10-26 | Rambus Inc., Los Altos | Phasenschieber zur Verwendung in einem Quadratur-Taktgenerator |
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)
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 |
-
1985
- 1985-03-29 JP JP60065266A patent/JPS61224607A/ja active Granted
-
1986
- 1986-03-27 US US06/844,608 patent/US4724337A/en not_active Expired - Lifetime
- 1986-04-01 DE DE8686302389T patent/DE3686431T2/de not_active Expired - Fee Related
- 1986-04-01 EP EP86302389A patent/EP0196906B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
EP0196906A2 (de) | 1986-10-08 |
EP0196906A3 (en) | 1989-03-08 |
EP0196906B1 (de) | 1992-08-19 |
US4724337A (en) | 1988-02-09 |
DE3686431T2 (de) | 1993-04-01 |
JPS61224607A (ja) | 1986-10-06 |
JPH0347770B2 (de) | 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 |