DE3475681D1 - Frequency modulation transmitter for fm broadcasting - Google Patents
Frequency modulation transmitter for fm broadcastingInfo
- Publication number
- DE3475681D1 DE3475681D1 DE8484402183T DE3475681T DE3475681D1 DE 3475681 D1 DE3475681 D1 DE 3475681D1 DE 8484402183 T DE8484402183 T DE 8484402183T DE 3475681 T DE3475681 T DE 3475681T DE 3475681 D1 DE3475681 D1 DE 3475681D1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- intermediary
- hand
- frequency modulation
- broadcasting
- 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
- H03C—MODULATION
- H03C3/00—Angle modulation
- H03C3/02—Details
- H03C3/09—Modifications of modulator for regulating the mean frequency
Landscapes
- Transmitters (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8317590A FR2554656B1 (fr) | 1983-11-04 | 1983-11-04 | Emetteur a modulation de frequence applicable a la radiodiffusion fm |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3475681D1 true DE3475681D1 (en) | 1989-01-19 |
Family
ID=9293814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8484402183T Expired DE3475681D1 (en) | 1983-11-04 | 1984-10-30 | Frequency modulation transmitter for fm broadcasting |
Country Status (10)
Country | Link |
---|---|
US (1) | US4610030A (de) |
EP (1) | EP0141741B1 (de) |
JP (1) | JPS60113539A (de) |
AT (1) | ATE39311T1 (de) |
CA (1) | CA1239667A (de) |
DE (1) | DE3475681D1 (de) |
DK (1) | DK162671C (de) |
FR (1) | FR2554656B1 (de) |
GR (1) | GR80823B (de) |
MX (1) | MX156363A (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4710970A (en) * | 1985-09-11 | 1987-12-01 | Tft, Inc. | Method of and apparatus for generating a frequency modulated ultrahigh frequency radio transmission signal |
DE3533222A1 (de) * | 1985-09-18 | 1987-03-19 | Schlumberger Messgeraete Gmbh | Schaltungsanordnung mit einer gleichspannungsfrequenzmodulierbaren phasenregelschleife |
US5014347A (en) * | 1988-02-16 | 1991-05-07 | Gulton Industries Inc., Femco Division | Field telephone system |
JP2542928B2 (ja) * | 1989-07-20 | 1996-10-09 | 三洋電機株式会社 | Fm変調器 |
US4933986A (en) * | 1989-08-25 | 1990-06-12 | Motorola, Inc. | Gain/phase compensation for linear amplifier feedback loop |
US5079526A (en) * | 1990-08-29 | 1992-01-07 | Motorola, Inc. | Frequency modulated synthesizer using low frequency offset mixed VCO |
JPH04129725A (ja) * | 1990-09-20 | 1992-04-30 | Matsushita Electric Works Ltd | 真空成形用金型装置 |
US5134718A (en) * | 1990-10-31 | 1992-07-28 | Motorola, Inc. | Fast phase shift adjusting method and device for linear transmitter |
CN110784215B (zh) * | 2019-11-27 | 2023-04-07 | 成都赛英科技有限公司 | 基于锁相环产生中心频率可变高速线性调频信号的系统 |
CN110927686A (zh) * | 2019-12-17 | 2020-03-27 | 陕西长岭电子科技有限责任公司 | 线性调频信号的调制频偏标测装置 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3392347A (en) * | 1965-09-07 | 1968-07-09 | Cubic Corp | Method for stabilizing center frequency of voltage control oscillator |
US3644831A (en) * | 1967-10-09 | 1972-02-22 | Gen Electric | Modulation system |
US3593182A (en) * | 1969-04-16 | 1971-07-13 | Motorola Inc | Afc system for microwave energy sources |
FR2230117A1 (en) * | 1973-05-16 | 1974-12-13 | Adret Electronique | Broadband iterative HF frequency synthesiser oscillator - is controlled by two phase frequency locked loops with controlled frequency divider |
JPS5291637A (en) * | 1976-01-28 | 1977-08-02 | Toshiba Corp | Frequency conversion system |
CH600706A5 (de) * | 1976-09-28 | 1978-06-30 | Patelhold Patentverwertung | |
US4053933A (en) * | 1976-11-02 | 1977-10-11 | Zenith Radio Corporation | Adaptive phase locked loop filter for television tuning |
JPS5854708A (ja) * | 1981-09-28 | 1983-03-31 | Nec Corp | 無線送信機 |
-
1983
- 1983-11-04 FR FR8317590A patent/FR2554656B1/fr not_active Expired
-
1984
- 1984-10-30 EP EP84402183A patent/EP0141741B1/de not_active Expired
- 1984-10-30 DE DE8484402183T patent/DE3475681D1/de not_active Expired
- 1984-10-30 AT AT84402183T patent/ATE39311T1/de not_active IP Right Cessation
- 1984-10-31 CA CA000466741A patent/CA1239667A/en not_active Expired
- 1984-11-01 GR GR80823A patent/GR80823B/el unknown
- 1984-11-01 MX MX203266A patent/MX156363A/es unknown
- 1984-11-02 US US06/667,922 patent/US4610030A/en not_active Expired - Fee Related
- 1984-11-02 DK DK521684A patent/DK162671C/da not_active IP Right Cessation
- 1984-11-05 JP JP59231458A patent/JPS60113539A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2554656A1 (fr) | 1985-05-10 |
MX156363A (es) | 1988-08-12 |
JPS60113539A (ja) | 1985-06-20 |
GR80823B (en) | 1985-03-04 |
FR2554656B1 (fr) | 1986-06-27 |
ATE39311T1 (de) | 1988-12-15 |
DK162671C (da) | 1992-04-13 |
US4610030A (en) | 1986-09-02 |
EP0141741A3 (de) | 1985-06-19 |
EP0141741B1 (de) | 1988-12-14 |
DK521684A (da) | 1985-05-05 |
CA1239667A (en) | 1988-07-26 |
DK162671B (da) | 1991-11-25 |
DK521684D0 (da) | 1984-11-02 |
JPH0234213B2 (de) | 1990-08-02 |
EP0141741A2 (de) | 1985-05-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3260702D1 (en) | Receiving system | |
WO1992004765A3 (en) | Frequency modulated synthesizer using low frequency offset mixed vco | |
JPS54127209A (en) | Structure system of radio equipment | |
DE3475681D1 (en) | Frequency modulation transmitter for fm broadcasting | |
EP0246658A3 (de) | Sender und Empfangseinrichtung | |
CA2033878A1 (en) | Phase locked loop that includes d.c. modulation | |
CA1231384A (en) | Signal transmission and reception system | |
EP0735715A3 (de) | Endgerät eines Funkkommunikationssystems | |
IE791644L (en) | Carrier regeneration | |
CA1093643A (en) | Ssb transceiver | |
SE8103035L (sv) | Radiomottagare | |
KR100254127B1 (ko) | 디지탈 발진기 | |
ES2020089A6 (es) | Transceptor de frecuencia modulada. | |
IL88435A (en) | Chirped backscatter filter | |
JPS6451736A (en) | Coherent light communication system | |
JPH031851B2 (de) | ||
SE8404304D0 (sv) | Radio receiver | |
GB2135544A (en) | Radio communications systems | |
JPS57178435A (en) | Fm transmitter and receiver | |
JPS56123130A (en) | Mobile radio device | |
FR2232894A1 (en) | Transmission of one or more televisgn programmes - employs double modulation of video signals and single stage detection | |
JPS5652911A (en) | Method and apparatus for phase modulation | |
ES2127849T3 (es) | Procedimiento para la modulacion en frecuencia. | |
JPS5538737A (en) | Dispersive radio transmission device | |
JPS5580948A (en) | Fsk radio equipment |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |