GB1550122A - Variable gain amplifier for rf-input stages - Google Patents

Variable gain amplifier for rf-input stages

Info

Publication number
GB1550122A
GB1550122A GB31052/76A GB3105276A GB1550122A GB 1550122 A GB1550122 A GB 1550122A GB 31052/76 A GB31052/76 A GB 31052/76A GB 3105276 A GB3105276 A GB 3105276A GB 1550122 A GB1550122 A GB 1550122A
Authority
GB
United Kingdom
Prior art keywords
variable gain
gain amplifier
input stages
stages
input
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
Application number
GB31052/76A
Other languages
English (en)
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.)
Texas Instruments Deutschland GmbH
Original Assignee
Texas Instruments Deutschland GmbH
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 Texas Instruments Deutschland GmbH filed Critical Texas Instruments Deutschland GmbH
Publication of GB1550122A publication Critical patent/GB1550122A/en
Expired 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
GB31052/76A 1975-07-25 1976-07-26 Variable gain amplifier for rf-input stages Expired GB1550122A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2533355A DE2533355C3 (de) 1975-07-25 1975-07-25 Regelbarer Verstärker für HF-Eingangsstufen

Publications (1)

Publication Number Publication Date
GB1550122A true GB1550122A (en) 1979-08-08

Family

ID=5952486

Family Applications (1)

Application Number Title Priority Date Filing Date
GB31052/76A Expired GB1550122A (en) 1975-07-25 1976-07-26 Variable gain amplifier for rf-input stages

Country Status (7)

Country Link
US (1) US4057765A (enExample)
JP (1) JPS5252352A (enExample)
DE (1) DE2533355C3 (enExample)
FR (1) FR2319241A1 (enExample)
GB (1) GB1550122A (enExample)
IT (1) IT1073966B (enExample)
NL (1) NL7608190A (enExample)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5296851A (en) * 1976-02-09 1977-08-15 Matsushita Electric Ind Co Ltd Gain control unit
FR2376556A1 (fr) * 1976-12-31 1978-07-28 Thomson Csf Dispositif amplificateur de puissance auto-adaptatif en fonction des servitudes d'exploitation
DE2808745C2 (de) * 1978-03-01 1983-10-06 Vereinigte Glaswerke Gmbh, 5100 Aachen Aktive Scheibenantenne für Kraftfahrzeuge mit einer breitbandigen HF-Verstärkerschaltung
DE2911514C2 (de) * 1979-03-23 1982-07-15 Texas Instruments Deutschland Gmbh, 8050 Freising HF-Verstärkerschaltung
JPH0117855Y2 (enExample) * 1980-05-19 1989-05-24
DE3207945A1 (de) * 1982-03-05 1983-09-15 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Regelbarer hochfrequenzverstaerker
US4439741A (en) * 1982-06-28 1984-03-27 Motorola, Inc. Stabilized high efficiency radio frequency amplifier
DE3626575C1 (de) * 1986-08-06 1987-10-15 Telefunken Electronic Gmbh Umschaltbarer Tunervorverstaerker
JPH0779216B2 (ja) * 1986-09-19 1995-08-23 松下電器産業株式会社 高周波増幅装置
US4737733A (en) * 1986-10-29 1988-04-12 Rca Corporation Overdrive control of FET power amplifier
JPH0720970Y2 (ja) * 1988-07-04 1995-05-15 株式会社ケンウッド アッテネータ回路
US5126686A (en) * 1989-08-15 1992-06-30 Astec International, Ltd. RF amplifier system having multiple selectable power output levels
DE4134177C2 (de) * 1991-10-16 1994-02-10 Telefunken Microelectron Schaltungsanordnung mit einer Dual-Gate-Feldeffekttransistor-Tetrode
US7064613B2 (en) * 2002-03-25 2006-06-20 Lucent Technologies Inc. Amplifier bias system and method
EP1847016A1 (en) * 2005-01-31 2007-10-24 Nxp B.V. Receiver having a gain-controllable input stage

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3428910A (en) * 1965-12-23 1969-02-18 Webb James E Automatic gain control system
US3482167A (en) * 1967-06-12 1969-12-02 Rca Corp Automatic gain control system employing multiple insulated gate field effect transistor
US3480873A (en) * 1967-12-11 1969-11-25 Rca Corp Gain control biasing circuits for field-effect transistors
US3525050A (en) * 1968-10-14 1970-08-18 Philips Corp Circuit arrangement for amplifying electric signals
DE1959782A1 (de) * 1968-12-23 1970-07-02 Be Dix Corp Veraenderliche Kopplungsvorrichtung fuer ein Radio-Empfaenger-System
US3624561A (en) * 1970-02-24 1971-11-30 Ben H Tongue Broadband aperiodic attenuator apparatus

Also Published As

Publication number Publication date
IT1073966B (it) 1985-04-17
DE2533355B2 (de) 1980-03-27
US4057765A (en) 1977-11-08
DE2533355C3 (de) 1985-12-05
NL7608190A (nl) 1977-01-27
JPS5252352A (en) 1977-04-27
FR2319241B1 (enExample) 1981-06-12
JPS617765B2 (enExample) 1986-03-08
DE2533355A1 (de) 1977-01-27
FR2319241A1 (fr) 1977-02-18

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee