FR1211879A - Poste radio-récepteur à transistors perfectionné - Google Patents

Poste radio-récepteur à transistors perfectionné

Info

Publication number
FR1211879A
FR1211879A FR1211879DA FR1211879A FR 1211879 A FR1211879 A FR 1211879A FR 1211879D A FR1211879D A FR 1211879DA FR 1211879 A FR1211879 A FR 1211879A
Authority
FR
France
Prior art keywords
radio receiver
transistor radio
advanced transistor
advanced
receiver
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
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.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
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 Motors Liquidation Co filed Critical Motors Liquidation Co
Application granted granted Critical
Publication of FR1211879A publication Critical patent/FR1211879A/fr
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
    • 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
FR1211879D 1957-12-20 1958-12-19 Poste radio-récepteur à transistors perfectionné Expired FR1211879A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US704139A US2983815A (en) 1957-12-20 1957-12-20 Automatic gain control

Publications (1)

Publication Number Publication Date
FR1211879A true FR1211879A (fr) 1960-03-18

Family

ID=24828237

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1211879D Expired FR1211879A (fr) 1957-12-20 1958-12-19 Poste radio-récepteur à transistors perfectionné

Country Status (2)

Country Link
US (1) US2983815A (fr)
FR (1) FR1211879A (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3064196A (en) * 1958-08-13 1962-11-13 Collins Radio Co Noise limiter and squelch circuit
US3148338A (en) * 1961-07-11 1964-09-08 Philco Corp Gain control system for commoncollector transistor stage
US3328714A (en) * 1964-06-15 1967-06-27 Philips Corp Automatic gain control system for cascaded transistor amplifier
JPS5737905A (en) * 1980-08-14 1982-03-02 Toshiba Corp Envelope curve wave detecting circuit
EP3288247B1 (fr) * 2016-08-25 2019-01-23 Guangdong Oppo Mobile Telecommunications Corp., Ltd Terminal mobile, composant de boîtier et procédé de fabrication associé

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2885544A (en) * 1953-05-11 1959-05-05 Bell Telephone Labor Inc Automatic gain control using voltage drop in biasing circuit common to plural transistor stages
US2920277A (en) * 1954-01-28 1960-01-05 Philips Corp Transistor amplifier
US2897353A (en) * 1955-10-20 1959-07-28 Philco Corp Non-linear device varying impedance match between antenna and radio frequency stages
US2774866A (en) * 1956-01-30 1956-12-18 Emerson Radio & Phonograph Cor Automatic gain and band width control for transistor circuits
US2891145A (en) * 1956-12-05 1959-06-16 Avco Mfg Corp Detector and agc system
US2948603A (en) * 1959-03-12 1960-08-09 Allegheny Ludlum Steel Nickel-free austenitic elevated temperature alloy

Also Published As

Publication number Publication date
US2983815A (en) 1961-05-09

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