DE69216928T2 - Empfänger mit Direktumsetzung - Google Patents
Empfänger mit DirektumsetzungInfo
- Publication number
- DE69216928T2 DE69216928T2 DE69216928T DE69216928T DE69216928T2 DE 69216928 T2 DE69216928 T2 DE 69216928T2 DE 69216928 T DE69216928 T DE 69216928T DE 69216928 T DE69216928 T DE 69216928T DE 69216928 T2 DE69216928 T2 DE 69216928T2
- Authority
- DE
- Germany
- Prior art keywords
- receiver
- direct implementation
- implementation
- direct
- 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 - Fee Related
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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/1646—Circuits adapted for the reception of stereophonic signals
- H04B1/1653—Detection of the presence of stereo signals and pilot signal regeneration
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D1/00—Demodulation of amplitude-modulated oscillations
- H03D1/22—Homodyne or synchrodyne circuits
- H03D1/2209—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders
- H03D1/2236—Decoders for simultaneous demodulation and decoding of signals composed of a sum-signal and a suppressed carrier, amplitude modulated by a difference signal, e.g. stereocoders using a phase locked loop
-
- 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
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
- H03D3/242—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop combined with means for controlling the frequency of a further oscillator, e.g. for negative frequency feedback or AFC
-
- 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
- H03D3/24—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits
- H03D3/241—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop
- H03D3/245—Modifications of demodulators to reject or remove amplitude variations by means of locked-in oscillator circuits the oscillator being part of a phase locked loop using at least twophase detectors in the loop
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
- H03D5/00—Circuits for demodulating amplitude-modulated or angle-modulated oscillations at will
-
- 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
- H04B1/06—Receivers
- H04B1/16—Circuits
- H04B1/30—Circuits for homodyne or synchrodyne receivers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP91201847 | 1991-07-15 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69216928D1 DE69216928D1 (de) | 1997-03-06 |
DE69216928T2 true DE69216928T2 (de) | 1997-07-17 |
Family
ID=8207781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69216928T Expired - Fee Related DE69216928T2 (de) | 1991-07-15 | 1992-07-07 | Empfänger mit Direktumsetzung |
Country Status (6)
Country | Link |
---|---|
US (1) | US5966400A (de) |
EP (1) | EP0523779B1 (de) |
JP (1) | JP3169690B2 (de) |
DE (1) | DE69216928T2 (de) |
SG (1) | SG48574A1 (de) |
TW (1) | TW227638B (de) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9617423D0 (en) * | 1995-10-11 | 1996-10-02 | Philips Electronics Nv | Receiver circuit |
US6353671B1 (en) * | 1998-02-05 | 2002-03-05 | Bioinstco Corp. | Signal processing circuit and method for increasing speech intelligibility |
EP1094613B1 (de) * | 1999-10-20 | 2007-10-10 | Sony Deutschland GmbH | Digitaler Stereo Demultiplexer |
AU2098700A (en) * | 1999-12-17 | 2001-06-25 | Nokia Corporation | Linearisation method and signal processing device |
EP1292017A1 (de) * | 2001-09-08 | 2003-03-12 | Semiconductor Ideas to The Market BV | Quadratur-Empfänger |
US7257380B2 (en) * | 2001-11-14 | 2007-08-14 | Broadcom Corporation | Integrated multimode radio and components thereof |
WO2004100354A1 (en) * | 2003-05-07 | 2004-11-18 | Koninklijke Philips Electronics N. V. | Receiver front-end with low power consumption |
WO2005117424A1 (en) * | 2004-05-20 | 2005-12-08 | Thomson Licensing | Apparatus and method for processing a pilot signal |
US8144878B2 (en) | 2006-03-06 | 2012-03-27 | Mediatek Inc. | FM receiver and pilot detector thereof, and method for determining a type of a processed signal |
US8045717B2 (en) * | 2006-04-13 | 2011-10-25 | Media Tek Inc. | Stereo decoder and method for processing pilot signal |
WO2008059560A1 (fr) * | 2006-11-14 | 2008-05-22 | Neuro Solution Corp. | Récepteur à conversion directe |
DE102014214394A1 (de) * | 2014-07-23 | 2016-01-28 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Bestimmen einer Frequenzablage eines Radiosignals und Empfangseinrichtung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3335024A1 (de) * | 1983-09-28 | 1985-04-11 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Schaltungsanordnung fuer einen empfaenger mit zwei phasenregelkreisen |
NL8403648A (nl) * | 1984-11-30 | 1986-06-16 | Philips Nv | Fasegesleutelde lus in het bijzonder voor toepassing in een direktmengende am-synchroonontvanger. |
NL8802917A (nl) * | 1988-11-28 | 1990-06-18 | Philips Nv | Direktmengende am-synchroonontvanger. |
US5003621A (en) * | 1989-11-02 | 1991-03-26 | Motorola, Inc. | Direct conversion FM receiver |
US5001757A (en) * | 1989-12-22 | 1991-03-19 | Sprague Electric Company | FM stereo tone detector |
-
1992
- 1992-06-18 TW TW081104757A patent/TW227638B/zh active
- 1992-07-07 EP EP92202043A patent/EP0523779B1/de not_active Expired - Lifetime
- 1992-07-07 SG SG1996009259A patent/SG48574A1/en unknown
- 1992-07-07 DE DE69216928T patent/DE69216928T2/de not_active Expired - Fee Related
- 1992-07-13 JP JP18519192A patent/JP3169690B2/ja not_active Expired - Fee Related
-
1994
- 1994-07-08 US US08/272,435 patent/US5966400A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69216928D1 (de) | 1997-03-06 |
JP3169690B2 (ja) | 2001-05-28 |
EP0523779B1 (de) | 1997-01-22 |
EP0523779A1 (de) | 1993-01-20 |
JPH0653856A (ja) | 1994-02-25 |
US5966400A (en) | 1999-10-12 |
TW227638B (de) | 1994-08-01 |
SG48574A1 (en) | 1998-04-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8327 | Change in the person/name/address of the patent owner |
Owner name: KONINKLIJKE PHILIPS ELECTRONICS N.V., EINDHOVEN, N |
|
8339 | Ceased/non-payment of the annual fee |