ZA858327B - A digital quartz-stable fm-discriminator - Google Patents
A digital quartz-stable fm-discriminatorInfo
- Publication number
- ZA858327B ZA858327B ZA858327A ZA858327A ZA858327B ZA 858327 B ZA858327 B ZA 858327B ZA 858327 A ZA858327 A ZA 858327A ZA 858327 A ZA858327 A ZA 858327A ZA 858327 B ZA858327 B ZA 858327B
- Authority
- ZA
- South Africa
- Prior art keywords
- discriminator
- phase comparator
- output signal
- stable
- input
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
- H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Television Signal Processing For Recording (AREA)
- Dc Digital Transmission (AREA)
- Circuits Of Receivers In General (AREA)
- Channel Selection Circuits, Automatic Tuning Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3439825 | 1984-10-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA858327B true ZA858327B (en) | 1986-06-25 |
Family
ID=6249186
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA858327A ZA858327B (en) | 1984-10-31 | 1985-10-30 | A digital quartz-stable fm-discriminator |
Country Status (8)
Country | Link |
---|---|
US (1) | US4642574A (no) |
EP (1) | EP0180153B1 (no) |
AT (1) | ATE45648T1 (no) |
DE (1) | DE3572428D1 (no) |
DK (2) | DK498785A (no) |
FI (1) | FI854264L (no) |
NO (1) | NO854192L (no) |
ZA (1) | ZA858327B (no) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4787096A (en) * | 1987-03-04 | 1988-11-22 | National Semiconductor Corp. | Second-order carrier/symbol sychronizer |
DE4240851C1 (de) * | 1992-12-04 | 1994-01-27 | Loewe Opta Gmbh | Demodulator |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3936762A (en) * | 1974-06-17 | 1976-02-03 | The Charles Stark Draper Laboratory, Inc. | Digital phase-lock loop systems for phase processing of signals |
US3983498A (en) * | 1975-11-13 | 1976-09-28 | Motorola, Inc. | Digital phase lock loop |
US4097812A (en) * | 1977-07-25 | 1978-06-27 | Matsushita Electric Corporation | Frequency selective detector circuit |
US4345211A (en) * | 1980-09-15 | 1982-08-17 | Rockwell International Corporation | Digital phaselock demodulator |
US4373204A (en) * | 1981-02-02 | 1983-02-08 | Bell Telephone Laboratories, Incorporated | Phase locked loop timing recovery circuit |
JPS58137307A (ja) * | 1982-02-10 | 1983-08-15 | Hitachi Ltd | パルスカウントfm検波回路 |
-
0
- DK DK8504987D patent/DK8504987A/da unknown
-
1985
- 1985-10-21 NO NO854192A patent/NO854192L/no unknown
- 1985-10-22 US US06/790,211 patent/US4642574A/en not_active Expired - Fee Related
- 1985-10-24 EP EP85113542A patent/EP0180153B1/de not_active Expired
- 1985-10-24 DE DE8585113542T patent/DE3572428D1/de not_active Expired
- 1985-10-24 AT AT85113542T patent/ATE45648T1/de not_active IP Right Cessation
- 1985-10-30 ZA ZA858327A patent/ZA858327B/xx unknown
- 1985-10-30 DK DK498785A patent/DK498785A/da not_active Application Discontinuation
- 1985-10-30 FI FI854264A patent/FI854264L/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
FI854264A0 (fi) | 1985-10-30 |
NO854192L (no) | 1986-05-02 |
DK498785A (da) | 1986-05-01 |
ATE45648T1 (de) | 1989-09-15 |
US4642574A (en) | 1987-02-10 |
DK498785D0 (da) | 1985-10-30 |
FI854264L (fi) | 1986-05-01 |
EP0180153A3 (en) | 1987-12-02 |
EP0180153B1 (de) | 1989-08-16 |
DK8504987A (no) | 1986-05-01 |
EP0180153A2 (de) | 1986-05-07 |
DE3572428D1 (en) | 1989-09-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPS5592043A (en) | Digital phase control circuit having auxiliary circuit | |
SE9502483L (sv) | Krets och metod för PLL-synkronisering | |
EP0691746A4 (no) | ||
EP0369660A3 (en) | Microwave frequency synthesizer with a frequency offset generator | |
ATE99422T1 (de) | Funkhoehenmessdetektor und annaeherungszuender mit einem solchen detektor. | |
ES8506952A1 (es) | Un circuito oscilador controlado, para usarse especialmente en bucles enganchados en fase | |
SE7904203L (sv) | Frekvens-syntetiserare | |
DE3572428D1 (en) | Digital crystal-stable fm discriminator | |
ES2048681A1 (es) | Sintetizador digital de frecuencias. | |
MY113714A (en) | Synchronized scanning circuit | |
EP0005127A3 (en) | Improvement in systems of frequency translation of frequency-modulated signals | |
ATE150916T1 (de) | Lock-detektor für eine digitale phasenregelschleife | |
ATE10319T1 (de) | Abstimmvorrichtung mit einer frequenzsynthesierschaltung. | |
DE3877050D1 (de) | Videorecorder mit dynamisch abgleichbarem tuner. | |
JPS57131153A (en) | Delay detector | |
JPS57174928A (en) | Adjusting circuit for delay time | |
FR2382796A1 (fr) | Oscillateur module en frequence, comportant une boucle d'asservissement de phase dont l'action sur la modulation est compensee | |
JPS57112136A (en) | Frequency synthesizer | |
JPS57135555A (en) | Phase continuous fsk modulating circuit | |
JPS57166566A (en) | Tracking error compensation circuit | |
JPS56122977A (en) | Light wave range finder | |
JPS56119533A (en) | Pll circuit | |
JPS57190413A (en) | Receiver | |
GB1526928A (en) | Frequency synthesisers | |
ES8603097A1 (es) | Sistema sensor de imagen |