FR2494059B3 - - Google Patents
Info
- Publication number
- FR2494059B3 FR2494059B3 FR8120884A FR8120884A FR2494059B3 FR 2494059 B3 FR2494059 B3 FR 2494059B3 FR 8120884 A FR8120884 A FR 8120884A FR 8120884 A FR8120884 A FR 8120884A FR 2494059 B3 FR2494059 B3 FR 2494059B3
- Authority
- FR
- France
- 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
- 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
- H04L27/233—Demodulator circuits; Receiver circuits using non-coherent demodulation
- H04L27/2332—Demodulator circuits; Receiver circuits using non-coherent demodulation using a non-coherent carrier
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/204,743 US4359692A (en) | 1980-11-07 | 1980-11-07 | Rapid acquisition shift keyed signal demodulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2494059A1 FR2494059A1 (fr) | 1982-05-14 |
| FR2494059B3 true FR2494059B3 (OSRAM) | 1983-09-09 |
Family
ID=22759248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR8120884A Granted FR2494059A1 (fr) | 1980-11-07 | 1981-11-06 | Procede et dispositif de demodulation de porteuse a acquisition rapide |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4359692A (OSRAM) |
| JP (1) | JPS57109448A (OSRAM) |
| DE (1) | DE3143783A1 (OSRAM) |
| FR (1) | FR2494059A1 (OSRAM) |
Families Citing this family (26)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4439737A (en) * | 1982-04-21 | 1984-03-27 | Rca Corporation | Phase locked loop, as for MPSK signal detector |
| NL8301179A (nl) * | 1983-04-01 | 1984-11-01 | Philips Nv | Ontvanger voor hf-signalen voorzien van een paar parallelle signaalwegen. |
| US4531224A (en) * | 1983-06-23 | 1985-07-23 | Motorola, Inc. | Low signal-to-noise ratio symbol synchronizer |
| GB2148669A (en) * | 1983-10-21 | 1985-05-30 | Philips Electronic Associated | Data receiver |
| JPS60154758A (ja) * | 1984-01-25 | 1985-08-14 | Alps Electric Co Ltd | Ｐｓｋ復調装置 |
| US4601048A (en) * | 1984-04-02 | 1986-07-15 | Ryan Carl R | Serial minimum shift-keyed modem |
| US4656646A (en) * | 1984-06-11 | 1987-04-07 | Motorola, Inc. | Serial minimum shift-keyed modem |
| US4581586A (en) * | 1984-08-17 | 1986-04-08 | Ford Aerospace & Communications Corporation | Crosstalk reduction in unbalanced QPSK detectors |
| US4816775A (en) * | 1987-10-08 | 1989-03-28 | Motorola, Inc. | Negative feedback, phase rotation, phase acquisition and tracking apparatus and method |
| GB2213684A (en) * | 1987-12-11 | 1989-08-16 | Philips Electronic Associated | Data demodulator baud clock phase locking |
| GB2213662A (en) * | 1987-12-11 | 1989-08-16 | Philips Electronic Associated | Data demodulator carrier phase-error detector |
| US4833416A (en) * | 1988-03-30 | 1989-05-23 | Motorola, Inc. | QPSK/BPSK demodulator |
| US4942592A (en) * | 1988-06-06 | 1990-07-17 | Motorola, Inc. | Synchronous receiver for minimum shift keying transmission |
| JP2679321B2 (ja) * | 1988-06-06 | 1997-11-19 | モトローラ・インコーポレーテッド | 位相誤差調節回路 |
| US5084903A (en) * | 1989-02-28 | 1992-01-28 | First Pacific Networks | Modulation and demodulation system employing AM-PSK and QPSK communication system using digital signals |
| US4947408A (en) * | 1989-05-12 | 1990-08-07 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Digital carrier demodulator employing components working beyond normal limits |
| EP0417045B1 (de) * | 1989-09-04 | 1994-01-05 | Datamars Sa | Datenübermittlungsanlage |
| US5327122A (en) * | 1989-09-04 | 1994-07-05 | Massimo Casalegno | Installation for data transmission with correction of phase error |
| GB8928693D0 (en) * | 1989-12-20 | 1990-02-28 | Cryptag Limited | Transmission system |
| JP2579243B2 (ja) * | 1990-11-07 | 1997-02-05 | シャープ株式会社 | 復調装置 |
| US5121057A (en) * | 1990-12-21 | 1992-06-09 | Maxtor Corporation | Media flaw detection apparatus for a magnetic disk drive with squaring and summing of in-phase and quadrature-phase detected signals |
| US5448594A (en) * | 1993-01-21 | 1995-09-05 | Industrial Technology Research Institute | One bit differential detector with frequency offset compensation |
| US5583890A (en) * | 1994-09-19 | 1996-12-10 | Motorola, Inc. | Error correction of MSK signals dependent on sample quality |
| FR2745138B1 (fr) * | 1996-02-16 | 1998-05-07 | Thomson Multimedia Sa | Dispositif de correction de bruit de phase dans un recepteur numerique |
| US6160858A (en) * | 1997-08-04 | 2000-12-12 | Starlink, Inc. | MSK signal processing in a GPS correlator channel |
| US7729453B1 (en) * | 2002-04-26 | 2010-06-01 | Bing Li | System and method for fast dynamic adjustment of slicing level for burst mode optical receivers |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3189826A (en) * | 1960-05-09 | 1965-06-15 | Gen Electric | Method and apparatus for demodulating multi-phase modulated signals |
| US3588720A (en) * | 1969-03-05 | 1971-06-28 | Us Navy | Linear phase demodulator |
| US3568067A (en) * | 1969-06-13 | 1971-03-02 | Collins Radio Co | Frequency discriminator with output indicative of difference between input and local reference signals |
| JPS5220753A (en) * | 1975-06-11 | 1977-02-16 | Motorola Inc | Quadrature phase shift keying demodulator |
-
1980
- 1980-11-07 US US06/204,743 patent/US4359692A/en not_active Expired - Lifetime
-
1981
- 1981-11-04 DE DE19813143783 patent/DE3143783A1/de not_active Withdrawn
- 1981-11-06 FR FR8120884A patent/FR2494059A1/fr active Granted
- 1981-11-07 JP JP56178912A patent/JPS57109448A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2494059A1 (fr) | 1982-05-14 |
| US4359692A (en) | 1982-11-16 |
| JPS57109448A (en) | 1982-07-07 |
| DE3143783A1 (de) | 1982-08-12 |