GB2144283B - Demodulator - Google Patents
DemodulatorInfo
- Publication number
- GB2144283B GB2144283B GB08320244A GB8320244A GB2144283B GB 2144283 B GB2144283 B GB 2144283B GB 08320244 A GB08320244 A GB 08320244A GB 8320244 A GB8320244 A GB 8320244A GB 2144283 B GB2144283 B GB 2144283B
- Authority
- GB
- United Kingdom
- Prior art keywords
- demodulator
- 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
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0024—Carrier regulation at the receiver end
- H04L2027/0026—Correction of carrier offset
- H04L2027/003—Correction of carrier offset at baseband only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0053—Closed loops
- H04L2027/0057—Closed loops quadrature phase
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/0014—Carrier regulation
- H04L2027/0044—Control loops for carrier regulation
- H04L2027/0063—Elements of loops
- H04L2027/0067—Phase error detectors
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)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08320244A GB2144283B (en) | 1983-07-27 | 1983-07-27 | Demodulator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB08320244A GB2144283B (en) | 1983-07-27 | 1983-07-27 | Demodulator |
Publications (3)
Publication Number | Publication Date |
---|---|
GB8320244D0 GB8320244D0 (en) | 1983-09-01 |
GB2144283A GB2144283A (en) | 1985-02-27 |
GB2144283B true GB2144283B (en) | 1986-09-17 |
Family
ID=10546368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB08320244A Expired GB2144283B (en) | 1983-07-27 | 1983-07-27 | Demodulator |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB2144283B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5842137A (en) | 1986-08-07 | 1998-11-24 | Interdigital Technology Corporation | Subscriber unit for wireless digital telephone system |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2173364B (en) * | 1985-04-03 | 1988-10-05 | Stc Plc | Digital zero if circuit |
GB2186139A (en) * | 1986-01-30 | 1987-08-05 | Plessey Co Plc | Phase and quadrature receiver |
AU656056B2 (en) * | 1992-03-27 | 1995-01-19 | Viscount Plastics Pty Ltd | A floor module for an animal pen |
GB0005592D0 (en) * | 2000-03-09 | 2000-05-03 | Koninkl Philips Electronics Nv | Method of and a radio terminal for detecting the presence of a 2fsk signal |
GB0005591D0 (en) * | 2000-03-09 | 2000-05-03 | Koninkl Philips Electronics Nv | Method of and receiver for detecting the presence of a data |
-
1983
- 1983-07-27 GB GB08320244A patent/GB2144283B/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5842137A (en) | 1986-08-07 | 1998-11-24 | Interdigital Technology Corporation | Subscriber unit for wireless digital telephone system |
Also Published As
Publication number | Publication date |
---|---|
GB2144283A (en) | 1985-02-27 |
GB8320244D0 (en) | 1983-09-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AR242392A1 (en) | Carboxyalkenamidocephalosporins | |
IL82460A (en) | Phenylsulfonylisocyanates,-thioisocyanates,-chlorides,-carbamates and-sulfonamides | |
GB8431860D0 (en) | Synchronous demodulator | |
GB2136804B (en) | Benzoquinolizines | |
EP0184805A3 (en) | Demodulator | |
GB2144283B (en) | Demodulator | |
GB8402957D0 (en) | Demodulators | |
AR242214A1 (en) | Thiazolo - and thiazinobenzimidazoles | |
GB8329999D0 (en) | Letterplate | |
ZA844203B (en) | Rooflight | |
GB2142807B (en) | Fm stereomultiplex demodulator | |
GB2142022B (en) | 6-deoxyanthracyclinones | |
GB8403068D0 (en) | Demodulator | |
GB8418266D0 (en) | 1-phenylimidazolidin-2-ones | |
GB8309701D0 (en) | Demodulation | |
GB8327671D0 (en) | Shaped elements | |
CS8074783A1 (en) | Riadiaca jednotka informacnych tabul pragotron | |
CS105883A1 (en) | Zpusob vyroby vinylchloridu | |
CS468483A1 (en) | Automaticky davkovac viaczlozkovej plynnej zmesi | |
CS204683A1 (en) | Zpusob izolace antibiotika tylosinu | |
CS236183A1 (en) | Protipoziarna omietkova zmes | |
CS682683A1 (en) | Disperzni omitkova hmota | |
CS313483A1 (en) | Prepinac manometra | |
CS187083A1 (en) | Lapovaci suspenze | |
CS191183A1 (en) | Sposob pripravy nizkoviskoznej kopolymernej polyvinylacetatovej disperzie |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PCNP | Patent ceased through non-payment of renewal fee |
Effective date: 19940727 |