IT1015491B - Demodulatore per segnali modulati in frequenza - Google Patents
Demodulatore per segnali modulati in frequenzaInfo
- Publication number
- IT1015491B IT1015491B IT24531/74A IT2453174A IT1015491B IT 1015491 B IT1015491 B IT 1015491B IT 24531/74 A IT24531/74 A IT 24531/74A IT 2453174 A IT2453174 A IT 2453174A IT 1015491 B IT1015491 B IT 1015491B
- Authority
- IT
- Italy
- Prior art keywords
- demodulator
- modulated signals
- frequency modulated
- frequency
- signals
- 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
- H03D3/04—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by counting or integrating cycles of oscillations
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/10—Frequency-modulated carrier systems, i.e. using frequency-shift keying
- H04L27/14—Demodulator circuits; Receiver circuits
- H04L27/144—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19732333571 DE2333571A1 (de) | 1973-07-02 | 1973-07-02 | Demodulator fuer frequenzmodulierte signale |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1015491B true IT1015491B (it) | 1977-05-10 |
Family
ID=5885706
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT24531/74A IT1015491B (it) | 1973-07-02 | 1974-06-28 | Demodulatore per segnali modulati in frequenza |
Country Status (9)
Country | Link |
---|---|
BE (1) | BE817174A (it) |
CH (1) | CH567837A5 (it) |
DE (1) | DE2333571A1 (it) |
DK (1) | DK353374A (it) |
FR (1) | FR2236306B1 (it) |
GB (1) | GB1458994A (it) |
IT (1) | IT1015491B (it) |
NL (1) | NL7408861A (it) |
SE (1) | SE7408406L (it) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5831152B2 (ja) * | 1977-10-17 | 1983-07-04 | ソニー株式会社 | カラ−映像信号の処理回路 |
DE3419931A1 (de) * | 1984-05-28 | 1985-11-28 | Siemens AG, 1000 Berlin und 8000 München | Empfangsschaltung in einer datenuebertragungseinrichtung zur tonfrequenten datenuebertragung |
SU1737737A1 (ru) * | 1986-05-29 | 1992-05-30 | Всесоюзный научно-исследовательский институт радиовещательного приема и акустики им.А.С.Попова | Устройство преобразовани частотно-модулированного аналогового сигнала в цифровой сигнал |
WO1988003338A1 (en) * | 1986-10-24 | 1988-05-05 | Vsesojuzny Nauchno-Issledovatelsky Institut Radiov | Method and device for receiving frequency-modulated analog signals with digital processing |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2061798A5 (it) * | 1969-02-14 | 1971-06-25 | Lignes Telegraph Telephon |
-
1973
- 1973-07-02 DE DE19732333571 patent/DE2333571A1/de active Pending
-
1974
- 1974-06-24 FR FR7421889A patent/FR2236306B1/fr not_active Expired
- 1974-06-26 GB GB2828574A patent/GB1458994A/en not_active Expired
- 1974-06-26 CH CH879474A patent/CH567837A5/xx not_active IP Right Cessation
- 1974-06-26 SE SE7408406A patent/SE7408406L/xx unknown
- 1974-06-28 IT IT24531/74A patent/IT1015491B/it active
- 1974-07-01 NL NL7408861A patent/NL7408861A/xx unknown
- 1974-07-01 DK DK353374A patent/DK353374A/da unknown
- 1974-07-02 BE BE146151A patent/BE817174A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
FR2236306A1 (it) | 1975-01-31 |
NL7408861A (nl) | 1975-01-06 |
DK353374A (it) | 1975-03-17 |
GB1458994A (en) | 1976-12-22 |
DE2333571A1 (de) | 1975-01-23 |
BE817174A (fr) | 1975-01-02 |
CH567837A5 (it) | 1975-10-15 |
FR2236306B1 (it) | 1977-03-11 |
SE7408406L (it) | 1975-01-03 |
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