DK142388B - Automatisk forstærkningsreguleringskredsløb til en superheterodynmodtager. - Google Patents
Automatisk forstærkningsreguleringskredsløb til en superheterodynmodtager. Download PDFInfo
- Publication number
- DK142388B DK142388B DK102070AA DK102070A DK142388B DK 142388 B DK142388 B DK 142388B DK 102070A A DK102070A A DK 102070AA DK 102070 A DK102070 A DK 102070A DK 142388 B DK142388 B DK 142388B
- Authority
- DK
- Denmark
- Prior art keywords
- transistor
- agc
- radio frequency
- attenuation
- potential
- Prior art date
Links
- 230000003321 amplification Effects 0.000 claims description 9
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 description 14
- 239000003990 capacitor Substances 0.000 description 7
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000013016 damping Methods 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 230000003111 delayed effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000006735 deficit Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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)
- Amplifiers (AREA)
- Circuits Of Receivers In General (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80372869A | 1969-03-03 | 1969-03-03 | |
| US80372869 | 1969-03-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DK142388B true DK142388B (da) | 1980-10-20 |
| DK142388C DK142388C (pt) | 1981-03-16 |
Family
ID=25187282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DK102070AA DK142388B (da) | 1969-03-03 | 1970-03-02 | Automatisk forstærkningsreguleringskredsløb til en superheterodynmodtager. |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US3579112A (pt) |
| JP (1) | JPS4810258B1 (pt) |
| AT (1) | AT323810B (pt) |
| BE (1) | BE746805A (pt) |
| BR (1) | BR7016973D0 (pt) |
| DE (1) | DE2009947C3 (pt) |
| DK (1) | DK142388B (pt) |
| ES (1) | ES377085A1 (pt) |
| FR (1) | FR2037492A5 (pt) |
| GB (1) | GB1290092A (pt) |
| MY (1) | MY7300453A (pt) |
| NL (1) | NL7002927A (pt) |
| SE (1) | SE372153B (pt) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1371660A (en) * | 1971-12-09 | 1974-10-23 | Texas Instruments Ltd | Radio receivers |
| JPS5060941U (pt) * | 1973-10-02 | 1975-06-05 | ||
| NL7614515A (nl) * | 1976-12-29 | 1978-07-03 | Philips Nv | In versterking geregelde signaalversterker. |
| JPS5422512U (pt) * | 1977-07-15 | 1979-02-14 | ||
| JPS5787244A (en) * | 1980-11-19 | 1982-05-31 | Toshiba Corp | Wide band television tuner |
| DE3105928C2 (de) * | 1981-02-18 | 1986-09-11 | Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen | Schaltungsanordnung zur Regelung der Verstärkung von HF- und ZF-Stufen in Rundfunk- und Fernsehempfängern |
| CN101536308B (zh) * | 2006-12-11 | 2015-08-12 | 汤姆森许可贸易公司 | 使用改进的交叉调制的自动增益控制 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3153189A (en) * | 1961-02-15 | 1964-10-13 | Westinghouse Electric Corp | Attenuation network automatically controlled by level of signal carrier |
| CH407238A (de) * | 1963-08-23 | 1966-02-15 | Siemens Ag Albis | Schaltungsanordnung zur Regelung des Verstärkungsgrades mehrerer gleicher Transistor-Wechselstrom-Verstärkerstufen |
| US3450834A (en) * | 1966-03-04 | 1969-06-17 | Sylvania Electric Prod | Automatic gain control circuit |
-
1969
- 1969-03-03 US US803728A patent/US3579112A/en not_active Expired - Lifetime
-
1970
- 1970-02-24 BR BR216973/70A patent/BR7016973D0/pt unknown
- 1970-03-02 FR FR7007435A patent/FR2037492A5/fr not_active Expired
- 1970-03-02 JP JP45018981A patent/JPS4810258B1/ja active Pending
- 1970-03-02 GB GB1290092D patent/GB1290092A/en not_active Expired
- 1970-03-02 SE SE7002687A patent/SE372153B/xx unknown
- 1970-03-02 NL NL7002927A patent/NL7002927A/xx not_active Application Discontinuation
- 1970-03-02 DK DK102070AA patent/DK142388B/da unknown
- 1970-03-03 AT AT199170A patent/AT323810B/de not_active IP Right Cessation
- 1970-03-03 ES ES377085A patent/ES377085A1/es not_active Expired
- 1970-03-03 DE DE2009947A patent/DE2009947C3/de not_active Expired
- 1970-03-03 BE BE746805D patent/BE746805A/xx unknown
-
1973
- 1973-12-30 MY MY453/73A patent/MY7300453A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ES377085A1 (es) | 1972-06-01 |
| DE2009947C3 (de) | 1978-03-09 |
| JPS4810258B1 (pt) | 1973-04-02 |
| DE2009947B2 (de) | 1977-07-28 |
| AT323810B (de) | 1975-07-25 |
| DK142388C (pt) | 1981-03-16 |
| GB1290092A (pt) | 1972-09-20 |
| BR7016973D0 (pt) | 1973-01-04 |
| NL7002927A (pt) | 1970-09-07 |
| SE372153B (pt) | 1974-12-09 |
| FR2037492A5 (pt) | 1970-12-31 |
| DE2009947A1 (pt) | 1970-10-08 |
| MY7300453A (en) | 1973-12-31 |
| BE746805A (fr) | 1970-08-17 |
| US3579112A (en) | 1971-05-18 |
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