CA993520A - Vhf and uhf automatic gain control circuitry derived from a single control voltage - Google Patents

Vhf and uhf automatic gain control circuitry derived from a single control voltage

Info

Publication number
CA993520A
CA993520A CA138,496A CA138496A CA993520A CA 993520 A CA993520 A CA 993520A CA 138496 A CA138496 A CA 138496A CA 993520 A CA993520 A CA 993520A
Authority
CA
Canada
Prior art keywords
vhf
automatic gain
control voltage
control circuitry
gain control
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
CA138,496A
Other languages
English (en)
Other versions
CA138496S (en
Inventor
John B. George
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.)
RCA Corp
Original Assignee
RCA 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 RCA Corp filed Critical RCA Corp
Application granted granted Critical
Publication of CA993520A publication Critical patent/CA993520A/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
CA138,496A 1971-04-14 1972-03-29 Vhf and uhf automatic gain control circuitry derived from a single control voltage Expired CA993520A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13380571A 1971-04-14 1971-04-14

Publications (1)

Publication Number Publication Date
CA993520A true CA993520A (en) 1976-07-20

Family

ID=22460380

Family Applications (1)

Application Number Title Priority Date Filing Date
CA138,496A Expired CA993520A (en) 1971-04-14 1972-03-29 Vhf and uhf automatic gain control circuitry derived from a single control voltage

Country Status (7)

Country Link
US (1) US3688198A (enExample)
CA (1) CA993520A (enExample)
DE (1) DE2217856A1 (enExample)
FR (1) FR2133687B1 (enExample)
GB (1) GB1391180A (enExample)
IT (1) IT957183B (enExample)
NL (1) NL7204951A (enExample)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3115683C2 (de) * 1981-04-18 1983-07-28 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Schaltungsanordnung zur verzögerten, automatischen Verstärkungsregelung
US4558289A (en) * 1983-12-23 1985-12-10 Rca Corporation Bias and AGC control of two RF amplifiers with a shared control element

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3242433A (en) * 1962-08-13 1966-03-22 Rca Corp Uhf adaptor for vhf television receivers
US3406345A (en) * 1963-03-18 1968-10-15 Nippon Electric Co Radio receiver utilizing if, local and noise signals for providing negative feedbackvoltages to control gain and frequency
US3450834A (en) * 1966-03-04 1969-06-17 Sylvania Electric Prod Automatic gain control circuit
US3548315A (en) * 1968-03-01 1970-12-15 Rca Corp Compensated vhf-uhf automatic gain control delay system

Also Published As

Publication number Publication date
NL7204951A (enExample) 1972-10-17
FR2133687A1 (enExample) 1972-12-01
GB1391180A (en) 1975-04-16
US3688198A (en) 1972-08-29
IT957183B (it) 1973-10-10
DE2217856A1 (de) 1972-10-19
FR2133687B1 (enExample) 1977-01-14

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