FR2329104A1 - Circuit de commande automatique de gain - Google Patents

Circuit de commande automatique de gain

Info

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
Application number
FR7626815A
Other languages
English (en)
Other versions
FR2329104B1 (fr
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of FR2329104A1 publication Critical patent/FR2329104A1/fr
Application granted granted Critical
Publication of FR2329104B1 publication Critical patent/FR2329104B1/fr
Granted 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
    • H03G3/3052—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)
FR7626815A 1975-10-22 1976-09-06 Circuit de commande automatique de gain Granted FR2329104A1 (fr)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2053599B (en) * 1979-06-22 1984-03-07 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
AU596134B2 (en) * 1986-04-03 1990-04-26 Motorola, Inc. Fm receiver with noise suppression during rayleigh faded received signals
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Title
EXBK/74 *

Also Published As

Publication number Publication date
JPS5251846A (en) 1977-04-26
FR2329104B1 (fr) 1982-06-18
AU1682176A (en) 1978-02-16
AU504386B2 (en) 1979-10-11
HK50283A (en) 1983-11-11
IL50241A (en) 1978-10-31
US4013964A (en) 1977-03-22
CA1060955A (fr) 1979-08-21
GB1533719A (en) 1978-11-29

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Legal Events

Date Code Title Description
ST Notification of lapse