GB2093291B - Gain control circuit for high frequency and intermediate frequency stages in radio or television receivers - Google Patents

Gain control circuit for high frequency and intermediate frequency stages in radio or television receivers

Info

Publication number
GB2093291B
GB2093291B GB8204617A GB8204617A GB2093291B GB 2093291 B GB2093291 B GB 2093291B GB 8204617 A GB8204617 A GB 8204617A GB 8204617 A GB8204617 A GB 8204617A GB 2093291 B GB2093291 B GB 2093291B
Authority
GB
United Kingdom
Prior art keywords
radio
control circuit
gain control
television receivers
high frequency
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
GB8204617A
Other versions
GB2093291A (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.)
Deutsche Thomson Brandt GmbH
Original Assignee
Deutsche Thomson Brandt 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 Deutsche Thomson Brandt GmbH filed Critical Deutsche Thomson Brandt GmbH
Publication of GB2093291A publication Critical patent/GB2093291A/en
Application granted granted Critical
Publication of GB2093291B publication Critical patent/GB2093291B/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
    • H03G3/3068—Circuits generating control signals for both R.F. and I.F. stages
GB8204617A 1981-02-18 1982-02-17 Gain control circuit for high frequency and intermediate frequency stages in radio or television receivers Expired GB2093291B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813105928 DE3105928C2 (en) 1981-02-18 1981-02-18 Circuit arrangement for regulating the gain of HF and IF stages in radio and television receivers

Publications (2)

Publication Number Publication Date
GB2093291A GB2093291A (en) 1982-08-25
GB2093291B true GB2093291B (en) 1984-09-19

Family

ID=6125161

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8204617A Expired GB2093291B (en) 1981-02-18 1982-02-17 Gain control circuit for high frequency and intermediate frequency stages in radio or television receivers

Country Status (6)

Country Link
JP (1) JPS57184311A (en)
DE (1) DE3105928C2 (en)
FI (1) FI74844C (en)
FR (1) FR2500235B1 (en)
GB (1) GB2093291B (en)
SE (1) SE454226B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0338906A (en) * 1989-07-05 1991-02-20 Pioneer Electron Corp Receiver
DE4011650A1 (en) * 1990-04-11 1991-10-17 Licentia Gmbh CONTROL CIRCUIT FOR A OVERLAY RECEIVER
JP5429259B2 (en) 2011-10-27 2014-02-26 コニカミノルタ株式会社 Screw fall prevention structure

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE657528C (en) * 1938-03-07 Marconi Wireless Telegraph Co Receiver with automatic shrinkage control
FR1391976A (en) * 1964-01-31 1965-03-12 Ribet & Desjardins Improvements to television receivers
DE1297705B (en) * 1966-02-08 1969-06-19 Siemens Ag Multi-stage amplifier arrangement with automatic control
US3454721A (en) * 1966-05-31 1969-07-08 Admiral Corp Transistorized agc system
US3579112A (en) * 1969-03-03 1971-05-18 Rca Corp Automatic gain control systems
US3697883A (en) * 1970-09-10 1972-10-10 Motorola Inc Automatic gain control circuit
DE2460602C2 (en) * 1974-12-20 1982-08-19 Siemens AG, 1000 Berlin und 8000 München Receiver for high-frequency electromagnetic oscillations with gain control and monitoring circuit
JPS531007A (en) * 1976-06-24 1978-01-07 Matsushita Electric Ind Co Ltd Manufacture of magnetic head
JPS5350959A (en) * 1976-10-20 1978-05-09 Matsushita Electric Ind Co Ltd Automatic gain control device
JPS5841002B2 (en) * 1978-04-24 1983-09-09 株式会社日立製作所 delay AGC circuit
JPS55121520U (en) * 1979-02-16 1980-08-28

Also Published As

Publication number Publication date
FI74844B (en) 1987-11-30
GB2093291A (en) 1982-08-25
JPH0119649B2 (en) 1989-04-12
FR2500235B1 (en) 1986-10-10
JPS57184311A (en) 1982-11-13
FI820502L (en) 1982-08-19
FI74844C (en) 1988-03-10
DE3105928C2 (en) 1986-09-11
FR2500235A1 (en) 1982-08-20
DE3105928A1 (en) 1982-09-09
SE454226B (en) 1988-04-11
SE8200921L (en) 1982-08-19

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19940217