JPS57184311A - Circuit device for controlling amplifification degree of high and intermediate frequency stages in radio and television receivers - Google Patents

Circuit device for controlling amplifification degree of high and intermediate frequency stages in radio and television receivers

Info

Publication number
JPS57184311A
JPS57184311A JP2369782A JP2369782A JPS57184311A JP S57184311 A JPS57184311 A JP S57184311A JP 2369782 A JP2369782 A JP 2369782A JP 2369782 A JP2369782 A JP 2369782A JP S57184311 A JPS57184311 A JP S57184311A
Authority
JP
Japan
Prior art keywords
amplifification
radio
degree
controlling
circuit device
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.)
Granted
Application number
JP2369782A
Other languages
English (en)
Other versions
JPH0119649B2 (ja
Inventor
Maiaa Geruharuto
Kirushiyunaa Eeritsuhi
Fuitsushiyaa Berutoramu
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.)
DOITSUCHIE TOMUSONNBURANTO GmbH
Tomusonnburanto Deutsche GmbH
Original Assignee
DOITSUCHIE TOMUSONNBURANTO GmbH
Tomusonnburanto Deutsche 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 DOITSUCHIE TOMUSONNBURANTO GmbH, Tomusonnburanto Deutsche GmbH filed Critical DOITSUCHIE TOMUSONNBURANTO GmbH
Publication of JPS57184311A publication Critical patent/JPS57184311A/ja
Publication of JPH0119649B2 publication Critical patent/JPH0119649B2/ja
Granted 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

Landscapes

  • Control Of Amplification And Gain Control (AREA)
  • Circuits Of Receivers In General (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Noise Elimination (AREA)
  • Superheterodyne Receivers (AREA)
JP2369782A 1981-02-18 1982-02-18 Circuit device for controlling amplifification degree of high and intermediate frequency stages in radio and television receivers Granted JPS57184311A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19813105928 DE3105928C2 (de) 1981-02-18 1981-02-18 Schaltungsanordnung zur Regelung der Verstärkung von HF- und ZF-Stufen in Rundfunk- und Fernsehempfängern

Publications (2)

Publication Number Publication Date
JPS57184311A true JPS57184311A (en) 1982-11-13
JPH0119649B2 JPH0119649B2 (ja) 1989-04-12

Family

ID=6125161

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2369782A Granted JPS57184311A (en) 1981-02-18 1982-02-18 Circuit device for controlling amplifification degree of high and intermediate frequency stages in radio and television receivers

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8882424B2 (en) 2011-10-27 2014-11-11 Konica Minolta Business Technologies, Inc. Screw fall preventing structure

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0338906A (ja) * 1989-07-05 1991-02-20 Pioneer Electron Corp 受信装置
DE4011650A1 (de) * 1990-04-11 1991-10-17 Licentia Gmbh Regelschaltung fuer einen ueberlagerungsempfaenger

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS54140858A (en) * 1978-04-24 1979-11-01 Hitachi Ltd Delay agc circuit
JPS55121520U (ja) * 1979-02-16 1980-08-28

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE657528C (de) * 1938-03-07 Marconi Wireless Telegraph Co Empfaenger mit selbsttaetiger Schwundregelung
FR1391976A (fr) * 1964-01-31 1965-03-12 Ribet & Desjardins Perfectionnements aux récepteurs de télévision
DE1297705B (de) * 1966-02-08 1969-06-19 Siemens Ag Mehrstufige Verstaerkeranordnung mit selbsttaetiger Regelung
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 (de) * 1974-12-20 1982-08-19 Siemens AG, 1000 Berlin und 8000 München Empfänger für hochfrequente elektromagnetische Schwingungen mit Verstärkungsregelung und Überwachungsschaltung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JPS54140858A (en) * 1978-04-24 1979-11-01 Hitachi Ltd Delay agc circuit
JPS55121520U (ja) * 1979-02-16 1980-08-28

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8882424B2 (en) 2011-10-27 2014-11-11 Konica Minolta Business Technologies, Inc. Screw fall preventing structure

Also Published As

Publication number Publication date
DE3105928C2 (de) 1986-09-11
SE8200921L (sv) 1982-08-19
GB2093291A (en) 1982-08-25
JPH0119649B2 (ja) 1989-04-12
FI74844C (fi) 1988-03-10
FR2500235B1 (fr) 1986-10-10
DE3105928A1 (de) 1982-09-09
GB2093291B (en) 1984-09-19
FI820502L (fi) 1982-08-19
FI74844B (fi) 1987-11-30
SE454226B (sv) 1988-04-11
FR2500235A1 (fr) 1982-08-20

Similar Documents

Publication Publication Date Title
GB2105935B (en) Television tuning system with electronic frequency adjustment apparatus
GB2121251B (en) Radio frequency communication apparatus and method
EP0073420A3 (en) Reception stage for radio and television receivers
HU9400043D0 (en) Method and circuit for selecting tuning of radio receiuer
IL68510A0 (en) Circuitry and method for reducing noise in single sideband radio frequency receivers
HK13996A (en) Oscillator circuit for television receivers
ZA781642B (en) Low frequency am stereophonic broadcast and receiving apparatus
JPS57184311A (en) Circuit device for controlling amplifification degree of high and intermediate frequency stages in radio and television receivers
GB2120047B (en) Radio receivers and broadcasting network
JPS57199352A (en) Frequency modulation broadcasting system and radio receiver thereof
GB2118008B (en) Television receiver standby circuit
JPS5650033A (en) Television receiver and method of manufacturing same
GB2132022B (en) Radio frequency antenna and radio direction finding apparatus incorporating such antenna
SG45445A1 (en) Method and circuit for automatic high-precision fine frequency tuning
JPS5330801A (en) Method of tuning television receiver and device therefor
GB2131645B (en) Television network and receivers
HU895955D0 (en) Audiosystem selectic circuit of multi-systematic television receiver
ZA844168B (en) Tuning circuit for the uhf and vhf ranges
GB2232019B (en) Television receiver and terminal apparatus therefor
JPS51112106A (en) Method of fabricating hf circuit and specially uhf television tuner
JPS57109432A (en) Radio frequency input stage for television receiver
JPS56164390A (en) Display controller for radio receiver with clock and frequency display
PL239665A2 (en) Receiving radio antenna unit and output circuit of antenna amplifier
GB2216354B (en) Radio receiver tuner circuit
GB8315786D0 (en) Television and radio programme