FR2329104A1 - Circuit de commande automatique de gain - Google Patents
Circuit de commande automatique de gainInfo
- Publication number
- FR2329104A1 FR2329104A1 FR7626815A FR7626815A FR2329104A1 FR 2329104 A1 FR2329104 A1 FR 2329104A1 FR 7626815 A FR7626815 A FR 7626815A FR 7626815 A FR7626815 A FR 7626815A FR 2329104 A1 FR2329104 A1 FR 2329104A1
- Authority
- FR
- France
- Prior art keywords
- control circuit
- gain control
- automatic gain
- automatic
- circuit
- 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.)
- Granted
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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3073—Circuits generating control signals when no carrier is present, or in SSB, CW or pulse receivers
-
- 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
- H03G3/3052—Automatic control in amplifiers having semiconductor devices in bandpass amplifiers (H.F. or I.F.) or in frequency-changers used in a (super)heterodyne receiver
- H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
- H04B1/302—Circuits for homodyne or synchrodyne receivers for single sideband receivers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Control Of Amplification And Gain Control (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/624,615 US4013964A (en) | 1975-10-22 | 1975-10-22 | Automatic gain control means for a single sideband radio receiver |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2329104A1 true FR2329104A1 (fr) | 1977-05-20 |
FR2329104B1 FR2329104B1 (fr) | 1982-06-18 |
Family
ID=24502659
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7626815A Granted FR2329104A1 (fr) | 1975-10-22 | 1976-09-06 | Circuit de commande automatique de gain |
Country Status (8)
Country | Link |
---|---|
US (1) | US4013964A (fr) |
JP (1) | JPS5251846A (fr) |
AU (1) | AU504386B2 (fr) |
CA (1) | CA1060955A (fr) |
FR (1) | FR2329104A1 (fr) |
GB (1) | GB1533719A (fr) |
HK (1) | HK50283A (fr) |
IL (1) | IL50241A (fr) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4360929A (en) * | 1979-06-22 | 1982-11-23 | Matsushita Electric Industrial Co., Ltd. | Automatic gain control circuit |
US4403348A (en) * | 1981-09-21 | 1983-09-06 | Bell Telephone Laboratories, Incorporated | Single sideband receiver with intersyllabic gain correction limit control |
US4625331A (en) * | 1984-08-17 | 1986-11-25 | Motorola, Inc. | Automatic frequency control system or an SSB receiver |
US4665560A (en) * | 1985-05-20 | 1987-05-12 | Texas Instruments Incorporated | Wide band automatic gain control with limiting amplifiers |
US4633518A (en) * | 1985-07-02 | 1986-12-30 | General Motors Corporation | AGC voltage generator with automatic rate switching |
JPS6218809A (ja) * | 1985-07-18 | 1987-01-27 | Toshiba Corp | チユ−ナagc回路 |
JP2784514B2 (ja) * | 1986-04-03 | 1998-08-06 | モトローラ・インコーポレーテッド | レイリーフェーデッド受信信号に対するオーディオ応答を改善したfm受信機 |
US4792991A (en) * | 1986-04-03 | 1988-12-20 | Motorola, Inc. | FM receiver having improved audio quality in response to Rayleigh faded received signals |
US4900093A (en) * | 1986-11-10 | 1990-02-13 | Caterpillar Inc. | Impact ripper and control |
IT1246235B (it) * | 1990-01-17 | 1994-11-17 | Sgs Thomson Microelectronics | Rete di controllo per diminuire i tempi di risposta di un tuner-agc di un ricevitore supereterodina e relativo circuito derivatore di fronti impiegato in detta rete di controllo |
JP2577490B2 (ja) * | 1990-07-03 | 1997-01-29 | 株式会社東芝 | Fmフロントエンド部のagc回路 |
US5184349A (en) * | 1991-01-16 | 1993-02-02 | Motorola, Inc. | Amplitude control of a burst signal in a receiver |
US5394035A (en) * | 1993-08-25 | 1995-02-28 | Novitas, Incorporated | Rate of change comparator |
JPH08162983A (ja) * | 1994-12-05 | 1996-06-21 | Hitachi Ltd | 無線受信機 |
US5734974A (en) * | 1996-03-27 | 1998-03-31 | Motorola, Inc. | Selective call receivers with stepwise variable gain control |
JP2993558B2 (ja) * | 1996-10-23 | 1999-12-20 | 日本電気株式会社 | 受信機 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3199044A (en) * | 1962-05-14 | 1965-08-03 | Gen Dynamics Corp | Automatic gain control apparatus for pulse signal handling systems |
GB1217491A (en) * | 1966-12-28 | 1970-12-31 | Plessey Co Ltd | Improvements in or relating to automatic gain control circuits |
DE2115961A1 (de) * | 1971-04-01 | 1972-10-12 | Siemens Ag | Schaltungsanordnung zur Erzeugung einer der Pegeleinstellung dienenden elektrischen Stellgröße |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2245353A (en) * | 1938-06-14 | 1941-06-10 | Rca Corp | Gain control circuits |
DE907192C (de) * | 1943-06-01 | 1954-02-11 | N. V. Philips' Gloeilampenfabrieken, Eindhoven (Niederlande) | Regelschaltung |
US2472301A (en) * | 1944-02-05 | 1949-06-07 | Rca Corp | Frequency modulated-amplitude modulated receiver |
US2957074A (en) * | 1958-07-16 | 1960-10-18 | Rca Corp | Automatic gain control circuit with double time constant |
US3154740A (en) * | 1960-09-06 | 1964-10-27 | Motorola Inc | Automatic gain control system utilizing a network containing a short time constant and a long time constant |
US3116453A (en) * | 1960-11-01 | 1963-12-31 | Gen Dynamics Corp | Step automatic gain control system |
US3450834A (en) * | 1966-03-04 | 1969-06-17 | Sylvania Electric Prod | Automatic gain control circuit |
-
1975
- 1975-10-22 US US05/624,615 patent/US4013964A/en not_active Expired - Lifetime
-
1976
- 1976-08-10 GB GB33293/76A patent/GB1533719A/en not_active Expired
- 1976-08-11 IL IL50241A patent/IL50241A/xx unknown
- 1976-08-12 CA CA258,955A patent/CA1060955A/fr not_active Expired
- 1976-08-13 AU AU16821/76A patent/AU504386B2/en not_active Expired
- 1976-09-06 FR FR7626815A patent/FR2329104A1/fr active Granted
- 1976-10-20 JP JP51125073A patent/JPS5251846A/ja active Pending
-
1983
- 1983-11-03 HK HK502/83A patent/HK50283A/xx unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3199044A (en) * | 1962-05-14 | 1965-08-03 | Gen Dynamics Corp | Automatic gain control apparatus for pulse signal handling systems |
GB1217491A (en) * | 1966-12-28 | 1970-12-31 | Plessey Co Ltd | Improvements in or relating to automatic gain control circuits |
DE2115961A1 (de) * | 1971-04-01 | 1972-10-12 | Siemens Ag | Schaltungsanordnung zur Erzeugung einer der Pegeleinstellung dienenden elektrischen Stellgröße |
Non-Patent Citations (1)
Title |
---|
EXBK/74 * |
Also Published As
Publication number | Publication date |
---|---|
HK50283A (en) | 1983-11-11 |
FR2329104B1 (fr) | 1982-06-18 |
JPS5251846A (en) | 1977-04-26 |
AU1682176A (en) | 1978-02-16 |
AU504386B2 (en) | 1979-10-11 |
US4013964A (en) | 1977-03-22 |
CA1060955A (fr) | 1979-08-21 |
GB1533719A (en) | 1978-11-29 |
IL50241A (en) | 1978-10-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |