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 receiversInfo
- 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
 
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
 
 
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 | 
|---|---|
| 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:Method) | 
| DE (1) | DE3105928C2 (en:Method) | 
| FI (1) | FI74844C (en:Method) | 
| FR (1) | FR2500235B1 (en:Method) | 
| GB (1) | GB2093291B (en:Method) | 
| SE (1) | SE454226B (en:Method) | 
Families Citing this family (3)
| 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)
| 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 (en:Method) * | 1979-02-16 | 1980-08-28 | 
- 
        1981
        
- 1981-02-18 DE DE19813105928 patent/DE3105928C2/de not_active Expired
 
 - 
        1982
        
- 1982-02-15 FI FI820502A patent/FI74844C/fi not_active IP Right Cessation
 - 1982-02-16 SE SE8200921A patent/SE454226B/sv not_active IP Right Cessation
 - 1982-02-17 GB GB8204617A patent/GB2093291B/en not_active Expired
 - 1982-02-18 FR FR8202703A patent/FR2500235B1/fr not_active Expired
 - 1982-02-18 JP JP2369782A patent/JPS57184311A/ja active Granted
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| JPH0119649B2 (en:Method) | 1989-04-12 | 
| SE454226B (sv) | 1988-04-11 | 
| JPS57184311A (en) | 1982-11-13 | 
| SE8200921L (sv) | 1982-08-19 | 
| GB2093291A (en) | 1982-08-25 | 
| FI820502L (fi) | 1982-08-19 | 
| FI74844C (fi) | 1988-03-10 | 
| FI74844B (fi) | 1987-11-30 | 
| DE3105928C2 (de) | 1986-09-11 | 
| FR2500235A1 (fr) | 1982-08-20 | 
| DE3105928A1 (de) | 1982-09-09 | 
| FR2500235B1 (fr) | 1986-10-10 | 
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Legal Events
| Date | Code | Title | Description | 
|---|---|---|---|
| PCNP | Patent ceased through non-payment of renewal fee | 
             Effective date: 19940217  |