FI74844C - Kopplingsarrangemang foer reglering av hoegfrekvens- och mellanfrekvensstegens foerstaerkning vid radio- och televisionsmottagare. - Google Patents

Kopplingsarrangemang foer reglering av hoegfrekvens- och mellanfrekvensstegens foerstaerkning vid radio- och televisionsmottagare. Download PDF

Info

Publication number
FI74844C
FI74844C FI820502A FI820502A FI74844C FI 74844 C FI74844 C FI 74844C FI 820502 A FI820502 A FI 820502A FI 820502 A FI820502 A FI 820502A FI 74844 C FI74844 C FI 74844C
Authority
FI
Finland
Prior art keywords
och
radio
televisionsmottagare
mellanfrekvensstegens
kopplingsarrangemang
Prior art date
Application number
FI820502A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI820502L (fi
FI74844B (fi
Inventor
Gerhard Maier
Bertram Fischer
Erich Kirschner
Original Assignee
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 Thomson Brandt Gmbh filed Critical Thomson Brandt Gmbh
Publication of FI820502L publication Critical patent/FI820502L/fi
Application granted granted Critical
Publication of FI74844B publication Critical patent/FI74844B/fi
Publication of FI74844C publication Critical patent/FI74844C/fi

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)
FI820502A 1981-02-18 1982-02-15 Kopplingsarrangemang foer reglering av hoegfrekvens- och mellanfrekvensstegens foerstaerkning vid radio- och televisionsmottagare. FI74844C (fi)

Applications Claiming Priority (2)

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
DE3105928 1981-02-18

Publications (3)

Publication Number Publication Date
FI820502L FI820502L (fi) 1982-08-19
FI74844B FI74844B (fi) 1987-11-30
FI74844C true FI74844C (fi) 1988-03-10

Family

ID=6125161

Family Applications (1)

Application Number Title Priority Date Filing Date
FI820502A FI74844C (fi) 1981-02-18 1982-02-15 Kopplingsarrangemang foer reglering av hoegfrekvens- och mellanfrekvensstegens foerstaerkning vid radio- och televisionsmottagare.

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)

Families Citing this family (3)

* 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
JP5429259B2 (ja) 2011-10-27 2014-02-26 コニカミノルタ株式会社 ネジ落下防止構造

Family Cites Families (11)

* 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
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 (ja) * 1978-04-24 1983-09-09 株式会社日立製作所 遅延ａｇｃ回路
JPS55121520U (ja) * 1979-02-16 1980-08-28

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
FR2500235B1 (fr) 1986-10-10
DE3105928A1 (de) 1982-09-09
GB2093291B (en) 1984-09-19
JPS57184311A (en) 1982-11-13
FI820502L (fi) 1982-08-19
FI74844B (fi) 1987-11-30
SE454226B (sv) 1988-04-11
FR2500235A1 (fr) 1982-08-20

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: DEUTSCHE THOMSON-BRANDT GMBH