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EE200000554A - Demodulaator - Google Patents

Demodulaator

Info

Publication number
EE200000554A
EE200000554A EEP200000554A EEP200000554A EE200000554A EE 200000554 A EE200000554 A EE 200000554A EE P200000554 A EEP200000554 A EE P200000554A EE P200000554 A EEP200000554 A EE P200000554A EE 200000554 A EE200000554 A EE 200000554A
Authority
EE
Estonia
Prior art keywords
demodulator
Prior art date
Application number
EEP200000554A
Other languages
English (en)
Inventor
Erik Mattisson Sven
Cornelius Haartsen Jacobus
Original Assignee
Telefonaktiebolaget Lm Ericsson (Publ)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Telefonaktiebolaget Lm Ericsson (Publ) filed Critical Telefonaktiebolaget Lm Ericsson (Publ)
Publication of EE200000554A publication Critical patent/EE200000554A/et

Links

Classifications

    • 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
    • H03D3/001—Details of arrangements applicable to more than one type of frequency demodulator
    • H03D3/003—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback
    • H03D3/005—Arrangements for reducing frequency deviation, e.g. by negative frequency feedback wherein the demodulated signal is used for controlling a bandpass filter
    • 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
    • H04L27/16—Frequency regulation arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J2200/00—Indexing scheme relating to tuning resonant circuits and selecting resonant circuits
    • H03J2200/28—Automatic self-alignment of a receiver

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
EEP200000554A 1998-03-24 1999-03-19 Demodulaator EE200000554A (et)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9806203A GB2335807B (en) 1998-03-24 1998-03-24 Demodulator circuits
PCT/EP1999/001845 WO1999049567A1 (en) 1998-03-24 1999-03-19 Demodulator circuits

Publications (1)

Publication Number Publication Date
EE200000554A true EE200000554A (et) 2002-04-15

Family

ID=10829095

Family Applications (1)

Application Number Title Priority Date Filing Date
EEP200000554A EE200000554A (et) 1998-03-24 1999-03-19 Demodulaator

Country Status (9)

Country Link
US (1) US6188275B1 (et)
EP (1) EP1066676A1 (et)
JP (1) JP2002508611A (et)
CN (1) CN1294777A (et)
AU (1) AU3035799A (et)
BR (1) BR9909054A (et)
EE (1) EE200000554A (et)
GB (1) GB2335807B (et)
WO (1) WO1999049567A1 (et)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2344710B (en) * 1998-12-09 2002-05-15 Mitel Semiconductor Ltd Improvements in or relating to demodulator alignment correction in tuners
JP2002280839A (ja) * 2001-03-21 2002-09-27 Sharp Corp 復調器およびこれを用いた通信装置
JP2004096313A (ja) * 2002-08-30 2004-03-25 Niigata Seimitsu Kk 受信機およびその調整システム、方法
JP3964346B2 (ja) * 2003-04-14 2007-08-22 シャープ株式会社 Ｆｍ信号受信器およびそれを用いる無線通信装置
US7512391B2 (en) * 2005-05-24 2009-03-31 Freescale Semiconductor, Inc. Self-aligning resonator filter circuit and wideband tuner circuit incorporating same
US7957698B2 (en) * 2008-03-11 2011-06-07 Mediatek Inc. Demodulator with output level calibration
EP2278724A1 (en) * 2009-07-02 2011-01-26 Nanoscale Labs Communications system

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL179435C (nl) * 1977-10-26 1986-09-01 Philips Nv Ontvanger met een frequentiesynthese-schakeling.
JPS58154947A (ja) * 1982-03-10 1983-09-14 Nec Corp 時分割多元接続による無線回線の時間軸調整方式
DE3438286A1 (de) * 1984-10-16 1986-04-17 Hansen/Catito Elektronik, 1000 Berlin Verfahren und schaltungsanordnung zum umsetzen frequenzmodulierter signale ueber mindestens eine zwischenfrequenz in niederfrequenzsignale
GB2214742A (en) * 1988-01-18 1989-09-06 Plessey Co Plc Noise-controlled frequency-modulation signal detector
JP2721203B2 (ja) * 1988-10-31 1998-03-04 株式会社東芝 アダプティブアンテナ装置
EP0473373A3 (en) * 1990-08-24 1993-03-03 Rockwell International Corporation Calibration system for direct conversion receiver
DE4102562A1 (de) * 1991-01-29 1992-07-30 Thomson Brandt Gmbh Verfahren und schaltung fuer eine automatische, hochpraezise frequenz-feinabstimmung
JP2806059B2 (ja) * 1991-02-14 1998-09-30 日本電気株式会社 位相同期ループシンセサイザ
EP0574083B1 (en) * 1992-06-12 1997-09-03 Koninklijke Philips Electronics N.V. FM quadrature demodulator
US5982228A (en) * 1995-07-14 1999-11-09 Lucent Technologies Inc Frequency tuning apparatus and method for continuous-time filters
JPH09107579A (ja) * 1995-10-11 1997-04-22 Fujitsu Ltd 空きチャネル下り送信電力制御方式

Also Published As

Publication number Publication date
WO1999049567A1 (en) 1999-09-30
GB9806203D0 (en) 1998-05-20
JP2002508611A (ja) 2002-03-19
GB2335807B (en) 2001-12-12
AU3035799A (en) 1999-10-18
BR9909054A (pt) 2000-12-05
CN1294777A (zh) 2001-05-09
US6188275B1 (en) 2001-02-13
GB2335807A (en) 1999-09-29
EP1066676A1 (en) 2001-01-10

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