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FR1530098A - Circuit de commande automatique de gain à large bande - Google Patents

Circuit de commande automatique de gain à large bande

Info

Publication number
FR1530098A
FR1530098A FR8577A FR06008577A FR1530098A FR 1530098 A FR1530098 A FR 1530098A FR 8577 A FR8577 A FR 8577A FR 06008577 A FR06008577 A FR 06008577A FR 1530098 A FR1530098 A FR 1530098A
Authority
FR
France
Prior art keywords
control circuit
gain control
automatic gain
wideband automatic
wideband
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
FR8577A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of FR1530098A publication Critical patent/FR1530098A/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
    • H03G3/3005—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers
    • H03G3/301—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable
    • H03G3/3015—Automatic control in amplifiers having semiconductor devices in amplifiers suitable for low-frequencies, e.g. audio amplifiers the gain being continuously variable using diodes or transistors
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G1/00—Details of arrangements for controlling amplification
    • H03G1/0005—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal
    • H03G1/0035—Circuits characterised by the type of controlling devices operated by a controlling current or voltage signal using continuously variable impedance elements

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Amplifiers (AREA)
  • Control Of Amplification And Gain Control (AREA)
FR8577A 1966-08-01 1967-06-22 Circuit de commande automatique de gain à large bande Expired FR1530098A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US56928466A 1966-08-01 1966-08-01

Publications (1)

Publication Number Publication Date
FR1530098A true FR1530098A (fr) 1968-06-21

Family

ID=24274791

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8577A Expired FR1530098A (fr) 1966-08-01 1967-06-22 Circuit de commande automatique de gain à large bande

Country Status (3)

Country Link
US (1) US3448292A (fr)
FR (1) FR1530098A (fr)
GB (1) GB1185536A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2133912A1 (fr) * 1971-04-20 1972-12-01 Matsushita Electric Ind Co Ltd

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3581111A (en) * 1968-09-16 1971-05-25 Bell Telephone Labor Inc Adaptive integrator for digital signals
US3579150A (en) * 1969-10-03 1971-05-18 Damon Eng Inc Voltage controlled oscillator

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2452586A (en) * 1944-03-23 1948-11-02 Sperry Corp Phase shift circuits
US2451858A (en) * 1945-01-26 1948-10-19 Gen Electric Controlled frequency oscillator
US2498759A (en) * 1947-03-24 1950-02-28 Rca Corp Wide band oscillator and modulator
US2850650A (en) * 1956-03-29 1958-09-02 Bell Telephone Labor Inc Transistor current limiter
US3289102A (en) * 1965-04-29 1966-11-29 Bell Telephone Labor Inc Variable frequency phase shift oscillator utilizing field-effect transistors

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2133912A1 (fr) * 1971-04-20 1972-12-01 Matsushita Electric Ind Co Ltd

Also Published As

Publication number Publication date
GB1185536A (en) 1970-03-25
DE1591211A1 (de) 1970-09-24
DE1591211B2 (de) 1973-02-15
US3448292A (en) 1969-06-03

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