CS272229B2 - Amplitude-modulated broadcasting transmitter - Google Patents
Amplitude-modulated broadcasting transmitter Download PDFInfo
- Publication number
- CS272229B2 CS272229B2 CS877883A CS788387A CS272229B2 CS 272229 B2 CS272229 B2 CS 272229B2 CS 877883 A CS877883 A CS 877883A CS 788387 A CS788387 A CS 788387A CS 272229 B2 CS272229 B2 CS 272229B2
- Authority
- CS
- Czechoslovakia
- Prior art keywords
- frequency
- low
- amplitude
- input
- modulator
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03C—MODULATION
- H03C1/00—Amplitude modulation
- H03C1/02—Details
- H03C1/06—Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator
Landscapes
- Transmitters (AREA)
- Amplifiers (AREA)
- Amplitude Modulation (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH4660/86A CH671120A5 (xx) | 1986-11-20 | 1986-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CS788387A2 CS788387A2 (en) | 1990-03-14 |
| CS272229B2 true CS272229B2 (en) | 1991-01-15 |
Family
ID=4280246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS877883A CS272229B2 (en) | 1986-11-20 | 1987-11-04 | Amplitude-modulated broadcasting transmitter |
Country Status (14)
| Country | Link |
|---|---|
| US (1) | US4864635A (xx) |
| EP (1) | EP0271703B1 (xx) |
| JP (1) | JPS63149920A (xx) |
| CN (1) | CN1008039B (xx) |
| BG (1) | BG47800A3 (xx) |
| CA (1) | CA1279900C (xx) |
| CH (1) | CH671120A5 (xx) |
| CS (1) | CS272229B2 (xx) |
| DE (1) | DE3769942D1 (xx) |
| DK (1) | DK608087A (xx) |
| ES (1) | ES2022265B3 (xx) |
| IN (1) | IN170404B (xx) |
| SU (1) | SU1655310A3 (xx) |
| YU (1) | YU208987A (xx) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5175877A (en) * | 1990-03-15 | 1992-12-29 | Magnavox Electronic Systems Company | Apparatus and method for generating an amplitude modulated rf signal |
| DE59105864D1 (de) * | 1990-12-03 | 1995-08-03 | Siemens Ag | Modulationseinrichtung für einen Hf-Leistungsverstärker. |
| EP0496009A1 (de) * | 1991-01-21 | 1992-07-29 | Thomcast Ag | AM-Rundfunksender |
| US5396187A (en) * | 1992-08-13 | 1995-03-07 | Cti Pet Systems, Inc. | Amplitude-and rise-time-insensitive timing-shaping filters |
| JP3118419B2 (ja) * | 1996-06-07 | 2000-12-18 | 株式会社ケンウッド | Ａｍデータ多重変調装置 |
| US7095793B2 (en) * | 2000-01-07 | 2006-08-22 | Mario Hieb | Digital exciter/phasor/transmitter for directional antennal system |
| CN104506240B (zh) * | 2014-12-31 | 2017-03-29 | 青岛海信宽带多媒体技术有限公司 | 一种光模块 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4058769A (en) * | 1974-07-05 | 1977-11-15 | Alderman Robert J | Modulation system with carrier control |
| US4088956A (en) * | 1976-02-27 | 1978-05-09 | Axman Michael P | Automatic modulation percentage control for amplitude modulated transmitters |
| DE2935445A1 (de) * | 1979-08-09 | 1981-02-26 | Bbc Brown Boveri & Cie | Nf-leistungsverstaerker |
| GB2060297B (en) * | 1979-08-14 | 1983-09-01 | Marconi Co Ltd | Modulating amplifiers |
| US4295106A (en) * | 1979-10-04 | 1981-10-13 | Leonard Kahn | Method and means for introducing additional asymmetry into audio waves |
| CH664655A5 (de) * | 1980-12-12 | 1988-03-15 | Patelhold Patentverwertung | Verfahren und verstaerkerschaltung zum verstaerken elektrischer signale, insbesondere nf-modulationssignale eines rundfunksenders. |
| GB2117589B (en) * | 1982-03-26 | 1985-10-16 | Philips Electronic Associated | Polar loop transmitter |
| CH666374A5 (de) * | 1983-08-12 | 1988-07-15 | Bbc Brown Boveri & Cie | Amplitudenmodulierter sender mit steuerung des traegerwertes. |
| GB2150378B (en) * | 1983-11-21 | 1987-06-03 | Philips Electronic Associated | Polar loop transmitter |
| CH666148A5 (de) * | 1984-05-10 | 1988-06-30 | Bbc Brown Boveri & Cie | Verfahren zur traegersteuerung eines amplitudenmodulierten senders und schaltungsanordnung zur durchfuehrung des verfahrens. |
-
1986
- 1986-11-20 CH CH4660/86A patent/CH671120A5/de not_active IP Right Cessation
-
1987
- 1987-11-04 CS CS877883A patent/CS272229B2/cs unknown
- 1987-11-05 JP JP62280259A patent/JPS63149920A/ja active Pending
- 1987-11-06 ES ES87116364T patent/ES2022265B3/es not_active Expired - Lifetime
- 1987-11-06 DE DE8787116364T patent/DE3769942D1/de not_active Expired - Fee Related
- 1987-11-06 EP EP87116364A patent/EP0271703B1/de not_active Expired - Lifetime
- 1987-11-09 CA CA000551351A patent/CA1279900C/en not_active Expired - Fee Related
- 1987-11-10 IN IN811/MAS/87A patent/IN170404B/en unknown
- 1987-11-12 SU SU874203650A patent/SU1655310A3/ru active
- 1987-11-12 US US07/119,542 patent/US4864635A/en not_active Expired - Fee Related
- 1987-11-17 BG BG81853A patent/BG47800A3/xx unknown
- 1987-11-18 YU YU02089/87A patent/YU208987A/xx unknown
- 1987-11-19 DK DK608087A patent/DK608087A/da not_active Application Discontinuation
- 1987-11-20 CN CN87107974.7A patent/CN1008039B/zh not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0271703A2 (de) | 1988-06-22 |
| DK608087A (da) | 1988-05-21 |
| IN170404B (xx) | 1992-03-21 |
| CS788387A2 (en) | 1990-03-14 |
| CH671120A5 (xx) | 1989-07-31 |
| CA1279900C (en) | 1991-02-05 |
| EP0271703B1 (de) | 1991-05-08 |
| SU1655310A3 (ru) | 1991-06-07 |
| BG47800A3 (en) | 1990-09-14 |
| JPS63149920A (ja) | 1988-06-22 |
| YU208987A (en) | 1989-10-31 |
| DE3769942D1 (de) | 1991-06-13 |
| CN87107974A (zh) | 1988-06-01 |
| EP0271703A3 (en) | 1988-07-06 |
| DK608087D0 (da) | 1987-11-19 |
| ES2022265B3 (es) | 1991-12-01 |
| US4864635A (en) | 1989-09-05 |
| CN1008039B (zh) | 1990-05-16 |
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