JPS5637757A - Radio receiver for fsk signal - Google Patents
Radio receiver for fsk signalInfo
- Publication number
- JPS5637757A JPS5637757A JP12072180A JP12072180A JPS5637757A JP S5637757 A JPS5637757 A JP S5637757A JP 12072180 A JP12072180 A JP 12072180A JP 12072180 A JP12072180 A JP 12072180A JP S5637757 A JPS5637757 A JP S5637757A
- Authority
- JP
- Japan
- Prior art keywords
- radio receiver
- fsk signal
- fsk
- signal
- receiver
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/18—Phase-modulated carrier systems, i.e. using phase-shift keying
- H04L27/22—Demodulator circuits; Receiver circuits
-
- 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
- H04L27/152—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements
- H04L27/1525—Demodulator circuits; Receiver circuits with demodulation using spectral properties of the received signal, e.g. by using frequency selective- or frequency sensitive elements using controlled oscillators, e.g. PLL arrangements using quadrature demodulation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
- Circuits Of Receivers In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7930578A GB2057820B (en) | 1979-09-04 | 1979-09-04 | Radio receiver for fsk signals |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5637757A true JPS5637757A (en) | 1981-04-11 |
JPS6353746B2 JPS6353746B2 (ja) | 1988-10-25 |
Family
ID=10507591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12072180A Granted JPS5637757A (en) | 1979-09-04 | 1980-09-02 | Radio receiver for fsk signal |
Country Status (9)
Country | Link |
---|---|
US (1) | US4322851A (ja) |
JP (1) | JPS5637757A (ja) |
KR (1) | KR830002422B1 (ja) |
CH (1) | CH655820A5 (ja) |
DE (1) | DE3032749A1 (ja) |
ES (1) | ES494757A0 (ja) |
FR (1) | FR2464603A1 (ja) |
GB (1) | GB2057820B (ja) |
NL (1) | NL8004865A (ja) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2101821B (en) * | 1981-07-16 | 1984-11-14 | Standard Telephones Cables Ltd | Radio receiver for frequency shift keyed signals |
GB2106359B (en) * | 1981-09-24 | 1985-07-03 | Standard Telephones Cables Ltd | Direct conversion radio receiver for fm signals |
DE3146077C2 (de) * | 1981-11-20 | 1985-04-04 | Siemens AG, 1000 Berlin und 8000 München | Einrichtung für Funkempfänger zur Unterdrückung von durch Mehrwegeausbreitung bedingten Empfangsstörungen |
GB2124046A (en) * | 1982-07-07 | 1984-02-08 | Philips Electronic Associated | Data demodulator for a direct frequency modulated signal |
US4529941A (en) * | 1982-11-29 | 1985-07-16 | Arthur D. Little, Inc. | FSK Demodulator utilizing multiple-phase reference frequencies |
FR2538634B1 (fr) * | 1982-12-24 | 1985-07-19 | Int Standard Electric Corp | Recepteur radio-electrique a conversion directe pour signaux modules en frequence |
GB2141007B (en) * | 1983-06-02 | 1986-07-23 | Standard Telephones Cables Ltd | Demodulator logic for frequency shift keyed signals |
JPS60100859A (ja) * | 1983-11-08 | 1985-06-04 | Nec Corp | 周波数検波器 |
US4577157A (en) * | 1983-12-12 | 1986-03-18 | International Telephone And Telegraph Corporation | Zero IF receiver AM/FM/PM demodulator using sampling techniques |
US4651107A (en) * | 1984-01-11 | 1987-03-17 | Nec Corporation | Demodulator for digital FM signals |
GB2155264A (en) * | 1984-03-02 | 1985-09-18 | Standard Telephones Cables Ltd | Amplifier circuits for radio receivers |
CH667170A5 (de) * | 1984-12-07 | 1988-09-15 | Industrieorientierte Forsch | Verfahren zur detektion der information eines empfangssignales, insbesondere mit frequenzumtastung. |
US4605903A (en) * | 1985-11-07 | 1986-08-12 | Motorola, Inc. | FSK demodulator with high noise immunity digital phase detector |
GB2189114B (en) * | 1986-02-12 | 1990-03-14 | Plessey Co Plc | Radio receivers |
US5247470A (en) * | 1987-07-29 | 1993-09-21 | E-Systems, Inc. | Method and apparatus for estimating signal components of a filter output |
CA1287127C (en) * | 1987-08-29 | 1991-07-30 | Yasuyuki Oishi | Fsk demodulation circuit |
US4876699A (en) * | 1988-05-06 | 1989-10-24 | Rockwell International Corporation | High speed sampled data digital phase detector apparatus |
CA2014916C (en) * | 1989-04-20 | 1994-11-08 | Yoichiro Minami | Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency |
GB2233535A (en) * | 1989-06-30 | 1991-01-09 | Philips Electronic Associated | Radio receiver |
US5046073A (en) * | 1989-08-10 | 1991-09-03 | Ge Fanuc Automation North America, Inc. | Signal processing apparatus for recovering a clock signal and a data signal from an encoded information signal |
JPH0797779B2 (ja) * | 1989-08-25 | 1995-10-18 | 松下電器産業株式会社 | 90度移相器とデータ受信機 |
GB2286950B (en) * | 1994-02-22 | 1998-06-17 | Roke Manor Research | A direct conversion receiver |
KR100460358B1 (ko) * | 1996-05-09 | 2005-02-03 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 수신기,복조기,및복조방법 |
US5724001A (en) * | 1996-12-02 | 1998-03-03 | Motorola, Inc. | Method and apparatus for demodulating a frequency shift keyed signal |
IL120566A (en) * | 1997-03-31 | 2000-06-01 | D S P C Israel Ltd | Apparatus and method for detecting digital FM |
US5799043A (en) * | 1997-06-02 | 1998-08-25 | Motorola, Inc. | Method and apparatus for decoding a two-level radio signal |
US5960042A (en) * | 1997-07-01 | 1999-09-28 | Motorola, Inc. | Method in a selective call receiver for synchronizing to a multi-level radio signal |
CA2281236C (en) | 1999-09-01 | 2010-02-09 | Tajinder Manku | Direct conversion rf schemes using a virtually generated local oscillator |
US6671332B1 (en) * | 1999-10-08 | 2003-12-30 | Medtronic, Inc. | Zero IF receiver with reduced AM detector |
US20040157571A1 (en) * | 2003-02-07 | 2004-08-12 | Klaas Wortel | Enhanced register based FSK demodulator |
KR101401835B1 (ko) * | 2006-03-29 | 2014-05-29 | 톰슨 라이센싱 | Fsk 수신기의 주파수 제한 증폭기 |
RU2628206C1 (ru) * | 2016-03-21 | 2017-08-15 | Акционерное общество "Концерн воздушно-космической обороны "Алмаз - Антей" | Устройство для приёма частотно-манипулированных сигналов |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1127451A (en) * | 1965-02-04 | 1968-09-18 | Ass Elect Ind | Improvements relating to carrier shift telegraphy |
US4090145A (en) * | 1969-03-24 | 1978-05-16 | Webb Joseph A | Digital quadrature demodulator |
US3760412A (en) * | 1971-07-01 | 1973-09-18 | R Barnes | Rate adaptive nonsynchronous demodulator apparatus |
FR2225881B1 (ja) * | 1973-04-16 | 1976-04-23 | Lannionnais Electronique | |
GB1517121A (en) * | 1977-01-13 | 1978-07-12 | Standard Telephones Cables Ltd | Radio receiver for fsk signals |
DE2811753C2 (de) * | 1978-03-17 | 1985-04-25 | Siemens AG, 1000 Berlin und 8000 München | Digitaler Demodulator auf Halbleiterbasis |
US4193034A (en) * | 1978-07-06 | 1980-03-11 | International Standard Electric Corporation | Radio receiver for FSK signals |
GB2032737A (en) * | 1978-10-24 | 1980-05-08 | Standard Telephones Cables Ltd | Radio receiver for tone modulated signals |
US4246653A (en) * | 1979-01-08 | 1981-01-20 | Northrop Corporation | In-phase quadrature demodulator for CPSK signals |
-
1979
- 1979-09-04 GB GB7930578A patent/GB2057820B/en not_active Expired
-
1980
- 1980-08-27 US US06/181,591 patent/US4322851A/en not_active Expired - Lifetime
- 1980-08-28 NL NL8004865A patent/NL8004865A/nl not_active Application Discontinuation
- 1980-08-30 DE DE19803032749 patent/DE3032749A1/de active Granted
- 1980-09-02 JP JP12072180A patent/JPS5637757A/ja active Granted
- 1980-09-04 ES ES494757A patent/ES494757A0/es active Granted
- 1980-09-04 KR KR1019800003488A patent/KR830002422B1/ko active
- 1980-09-04 FR FR8019095A patent/FR2464603A1/fr active Granted
- 1980-09-04 CH CH6646/80A patent/CH655820A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2057820B (en) | 1984-07-04 |
ES8200979A1 (es) | 1981-11-01 |
ES494757A0 (es) | 1981-11-01 |
DE3032749C2 (ja) | 1989-02-02 |
CH655820A5 (de) | 1986-05-15 |
FR2464603B1 (ja) | 1984-11-30 |
JPS6353746B2 (ja) | 1988-10-25 |
US4322851A (en) | 1982-03-30 |
KR830002422B1 (ko) | 1983-10-26 |
FR2464603A1 (fr) | 1981-03-06 |
DE3032749A1 (de) | 1981-03-19 |
NL8004865A (nl) | 1981-03-06 |
GB2057820A (en) | 1981-04-01 |
KR830004002A (ko) | 1983-06-30 |
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