BR9506387A - Receptor com chaveamento de deslocamento de frequ¯encia - Google Patents

Receptor com chaveamento de deslocamento de frequ¯encia

Info

Publication number
BR9506387A
BR9506387A BR9506387A BR9506387A BR9506387A BR 9506387 A BR9506387 A BR 9506387A BR 9506387 A BR9506387 A BR 9506387A BR 9506387 A BR9506387 A BR 9506387A BR 9506387 A BR9506387 A BR 9506387A
Authority
BR
Brazil
Prior art keywords
receiver
frequency shift
shift switching
switching
frequency
Prior art date
Application number
BR9506387A
Other languages
English (en)
Inventor
Anthony Hilson Richards
Original Assignee
Philips Electronics Nv
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 Philips Electronics Nv filed Critical Philips Electronics Nv
Publication of BR9506387A publication Critical patent/BR9506387A/pt

Links

Classifications

    • 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
    • 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
    • H04L27/142—Compensating direct current components occurring during the demodulation and which are caused by mistuning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • H04L25/02—Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/06—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection
    • H04L25/061—Dc level restoring means; Bias distortion correction ; Decision circuits providing symbol by symbol detection providing hard decisions only; arrangements for tracking or suppressing unwanted low frequency components, e.g. removal of dc offset
    • H04L25/062—Setting decision thresholds using feedforward techniques only

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Superheterodyne Receivers (AREA)
BR9506387A 1994-09-29 1995-09-01 Receptor com chaveamento de deslocamento de frequ¯encia BR9506387A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9419630A GB9419630D0 (en) 1994-09-29 1994-09-29 Receiver having an adjustable symbol slice demodulator
PCT/IB1995/000726 WO1996010309A1 (en) 1994-09-29 1995-09-01 Receiver having an adjustable symbol slice demodulator

Publications (1)

Publication Number Publication Date
BR9506387A true BR9506387A (pt) 1997-09-16

Family

ID=10762073

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9506387A BR9506387A (pt) 1994-09-29 1995-09-01 Receptor com chaveamento de deslocamento de frequ¯encia

Country Status (12)

Country Link
US (1) US5732110A (pt)
EP (1) EP0732020B1 (pt)
JP (1) JP3639595B2 (pt)
KR (1) KR100350563B1 (pt)
CN (1) CN1078788C (pt)
BR (1) BR9506387A (pt)
DE (1) DE69527937T2 (pt)
GB (1) GB9419630D0 (pt)
IN (1) IN184246B (pt)
RU (1) RU2151467C1 (pt)
TW (1) TW293207B (pt)
WO (1) WO1996010309A1 (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6223061B1 (en) * 1997-07-25 2001-04-24 Cleveland Medical Devices Inc. Apparatus for low power radio communications
US7068725B2 (en) * 2000-07-10 2006-06-27 Garmin At, Inc. Bit detection threshold in a TDMA burst communication system
US6317062B1 (en) * 2000-09-29 2001-11-13 Philsar Semiconductor, Inc. Method and apparatus for dynamically generating multiple level decision thresholds of an M-ary coded signal
GB0104280D0 (en) * 2001-02-21 2001-11-21 Cambridge Silicon Radio Ltd Estimating frequency offset
JP3643088B2 (ja) * 2002-04-16 2005-04-27 シャープ株式会社 データスライサ
TWI226172B (en) * 2003-07-14 2005-01-01 Novatek Microelectronics Corp Non-coherent FSK demodulator
FR2893802B1 (fr) * 2005-11-23 2008-10-17 Adeunis Rf Sa Demodulateur numerique pour un recepteur radioelectrique fsk a bande etroite, et procede de demodulation.
JP4525731B2 (ja) * 2007-10-29 2010-08-18 カシオ計算機株式会社 受信回路および時計
US7868689B2 (en) * 2008-04-08 2011-01-11 Qualcomm Incorporated Low power slicer-based demodulator for PPM
JP5304089B2 (ja) * 2008-07-31 2013-10-02 アイコム株式会社 Ｆｓｋ受信機
RU2506631C1 (ru) * 2012-07-26 2014-02-10 Юрий Геннадьевич Чирков Способ и устройство детектирования
JP5980111B2 (ja) * 2012-12-28 2016-08-31 アズビル株式会社 光電センサ
DE102014104524B4 (de) * 2013-10-02 2017-07-06 Silicon Laboratories Inc. Empfänger mit der Fähigkeit zur Erfassung von Frequenzabweichungen und Verfahren dafür
CN115589237B (zh) * 2022-12-13 2023-03-17 青岛鼎信通讯股份有限公司 一种适用于电力领域的高频电流信号分支归属判决方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE370303B (pt) * 1972-07-03 1974-10-07 L Broger
US3947769A (en) * 1974-10-23 1976-03-30 Hoffman Electronics Corporation Threshold correction system in FSK transmissions
IT1109389B (it) * 1978-12-19 1985-12-16 Selenia Ind Elettroniche Perfezionamento nei convertitori di ricezione a microonde in strutture ibride in guida d'onda
DE3329343A1 (de) * 1983-08-13 1985-02-28 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Anordnung zum abgleich der frequenz eines referenzoszillators in einem fsk-empfaenger
US4574247A (en) * 1984-05-21 1986-03-04 Multi-Elmac Company FM Signal demodulator
CA2014916C (en) * 1989-04-20 1994-11-08 Yoichiro Minami Direct conversion receiver with dithering local carrier frequency for detecting transmitted carrier frequency
US5243299A (en) * 1992-01-22 1993-09-07 Glenayre Electronics, Inc. Variable speed asynchronous modem
SE470077B (sv) * 1992-03-30 1993-11-01 Ericsson Ge Mobile Communicat Metod och anordning för demodulering av en frekvensmodulerad signal

Also Published As

Publication number Publication date
KR100350563B1 (ko) 2002-12-31
TW293207B (pt) 1996-12-11
WO1996010309A1 (en) 1996-04-04
DE69527937D1 (de) 2002-10-02
GB9419630D0 (en) 1994-11-16
KR960706732A (ko) 1996-12-09
IN184246B (pt) 2000-07-15
CN1136377A (zh) 1996-11-20
DE69527937T2 (de) 2003-04-24
EP0732020B1 (en) 2002-08-28
EP0732020A1 (en) 1996-09-18
RU2151467C1 (ru) 2000-06-20
JPH09505972A (ja) 1997-06-10
JP3639595B2 (ja) 2005-04-20
CN1078788C (zh) 2002-01-30
US5732110A (en) 1998-03-24

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Legal Events

Date Code Title Description
TC Change of name
FF Decision: intention to grant
FG9A Patent or certificate of addition granted
B24C Patent annual fee: request for for restoration

Free format text: REFERENTE A 8A , 9A ,10A ,11A , 12A , 13A E 14A ANUIDADES.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: EXTINGUE-SE A PATENTE EM VIRTUDE DO DISPOSTO NO ART. 78, INCISO IV, DA LPI 9.279, REFERENTE AO DESPACHO PUBLICADO NA RPI 2052 DE 04/05/2010 E AO NAO RECOLHIMENTO DA 15A, 16A, 17A E 18A ANUIDADES.