IL60172A0 - Demodulator - Google Patents
DemodulatorInfo
- Publication number
- IL60172A0 IL60172A0 IL60172A IL6017280A IL60172A0 IL 60172 A0 IL60172 A0 IL 60172A0 IL 60172 A IL60172 A IL 60172A IL 6017280 A IL6017280 A IL 6017280A IL 60172 A0 IL60172 A0 IL 60172A0
- Authority
- IL
- Israel
- Prior art keywords
- demodulator
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/54—Circuits using the same frequency for two directions of communication
- H04B1/56—Circuits using the same frequency for two directions of communication with provision for simultaneous communication in two directions
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
- H03D7/166—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature using two or more quadrature frequency translation stages
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
- H03D7/16—Multiple-frequency-changing
- H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
- H03D7/163—Multiple-frequency-changing all the frequency changers being connected in cascade the local oscillations of at least two of the frequency changers being derived from a single oscillator
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/403—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
- H04B1/408—Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency the transmitter oscillator frequency being identical to the receiver local oscillator frequency
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Superheterodyne Receivers (AREA)
- Transceivers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB7922417A GB2052196A (en) | 1979-06-27 | 1979-06-27 | Demodulators |
Publications (1)
Publication Number | Publication Date |
---|---|
IL60172A0 true IL60172A0 (en) | 1980-07-31 |
Family
ID=10506144
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IL60172A IL60172A0 (en) | 1979-06-27 | 1980-05-27 | Demodulator |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS568944A (xx) |
BR (1) | BR8003834A (xx) |
DE (1) | DE3023773A1 (xx) |
DK (1) | DK275980A (xx) |
FR (1) | FR2460069A1 (xx) |
GB (1) | GB2052196A (xx) |
IL (1) | IL60172A0 (xx) |
IT (1) | IT1131352B (xx) |
NL (1) | NL8003663A (xx) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4499426A (en) * | 1980-07-02 | 1985-02-12 | Motorola, Inc. | Baseband discriminator for frequency or transform modulation |
GB2300318B (en) * | 1981-02-10 | 1997-03-19 | Plessey Co Ltd | Improvements in or relating to transceivers |
NL8301179A (nl) * | 1983-04-01 | 1984-11-01 | Philips Nv | Ontvanger voor hf-signalen voorzien van een paar parallelle signaalwegen. |
NL8301651A (nl) * | 1983-05-10 | 1984-12-03 | Philips Nv | Menginrichting voorzien van eerste en tweede kwadratuurmengtrappen. |
JPS60224337A (ja) * | 1984-04-23 | 1985-11-08 | Nec Corp | 受信回路 |
AT394918B (de) * | 1990-04-05 | 1992-07-27 | Klaus Dipl Ing Dr Kerschbaumer | Verfahren zum direkten demodulieren eines hf-signals |
JP2800858B2 (ja) * | 1991-09-18 | 1998-09-21 | 日本電気株式会社 | 無線電話装置 |
US5389964A (en) * | 1992-12-30 | 1995-02-14 | Information Resources, Inc. | Broadcast channel substitution method and apparatus |
US5404161A (en) * | 1993-07-27 | 1995-04-04 | Information Resources, Inc. | Tuned signal detector for use with a radio frequency receiver |
US6941573B1 (en) | 1996-08-07 | 2005-09-06 | Information Resources, Inc. | Television distribution system for signal substitution |
US6633550B1 (en) | 1997-02-20 | 2003-10-14 | Telefonaktiebolaget Lm Ericsson (Publ) | Radio transceiver on a chip |
FR2794311B1 (fr) * | 1999-05-27 | 2007-12-14 | France Telecom | Filtre passe-bande a reduction de la frequence porteuse |
GB0122196D0 (en) * | 2001-09-14 | 2001-10-31 | Roke Manor Research | Improvements to the n-plex transceiver |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1178539A (en) * | 1966-12-14 | 1970-01-21 | Plessey Btr Ltd | Improvements in Timing Arrangements for Electrical Signalling Systems |
US3577088A (en) * | 1969-02-03 | 1971-05-04 | Us Air Force | Sine-cosine to magnitude-phase angle converter |
DE2358288A1 (de) * | 1973-11-22 | 1975-06-05 | Standard Elektrik Lorenz Ag | Empfaenger fuer frequenzmodulierte hf-signale |
IN146303B (xx) * | 1976-03-16 | 1979-04-21 | Plessey Handel Investment Ag |
-
1979
- 1979-06-27 GB GB7922417A patent/GB2052196A/en not_active Withdrawn
-
1980
- 1980-05-27 IL IL60172A patent/IL60172A0/xx unknown
- 1980-06-18 IT IT22867/80A patent/IT1131352B/it active
- 1980-06-19 BR BR8003834A patent/BR8003834A/pt unknown
- 1980-06-24 NL NL8003663A patent/NL8003663A/nl not_active Application Discontinuation
- 1980-06-25 DE DE19803023773 patent/DE3023773A1/de not_active Withdrawn
- 1980-06-25 JP JP8639280A patent/JPS568944A/ja active Pending
- 1980-06-26 DK DK275980A patent/DK275980A/da unknown
- 1980-06-26 FR FR8014227A patent/FR2460069A1/fr active Pending
Also Published As
Publication number | Publication date |
---|---|
BR8003834A (pt) | 1981-01-13 |
DE3023773A1 (de) | 1981-01-15 |
JPS568944A (en) | 1981-01-29 |
IT8022867A0 (it) | 1980-06-18 |
DK275980A (da) | 1980-12-28 |
FR2460069A1 (fr) | 1981-01-16 |
NL8003663A (nl) | 1980-12-30 |
IT1131352B (it) | 1986-06-18 |
GB2052196A (en) | 1981-01-21 |
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