DE69030838T2 - Direktmischempfänger mit lokaler Trägerzitterfrequenz zur gesendeten Trägerfrequenz-Erfassung - Google Patents

Direktmischempfänger mit lokaler Trägerzitterfrequenz zur gesendeten Trägerfrequenz-Erfassung

Info

Publication number
DE69030838T2
DE69030838T2 DE69030838T DE69030838T DE69030838T2 DE 69030838 T2 DE69030838 T2 DE 69030838T2 DE 69030838 T DE69030838 T DE 69030838T DE 69030838 T DE69030838 T DE 69030838T DE 69030838 T2 DE69030838 T2 DE 69030838T2
Authority
DE
Germany
Prior art keywords
frequency
carrier
transmitted
direct mix
local
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
Application number
DE69030838T
Other languages
English (en)
Other versions
DE69030838D1 (de
Inventor
Yoichiro Minami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
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
Priority claimed from JP1100617A external-priority patent/JP2550701B2/ja
Priority claimed from JP1989057855U external-priority patent/JPH0810980Y2/ja
Priority claimed from JP1277711A external-priority patent/JP2752733B2/ja
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69030838D1 publication Critical patent/DE69030838D1/de
Publication of DE69030838T2 publication Critical patent/DE69030838T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H04L27/16—Frequency regulation arrangements
    • 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
DE69030838T 1989-04-20 1990-04-20 Direktmischempfänger mit lokaler Trägerzitterfrequenz zur gesendeten Trägerfrequenz-Erfassung Expired - Fee Related DE69030838T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP1100617A JP2550701B2 (ja) 1989-04-20 1989-04-20 Ｆｓｋ受信機
JP1989057855U JPH0810980Y2 (ja) 1989-05-18 1989-05-18 Ｆｓｋ受信機
JP1277711A JP2752733B2 (ja) 1989-10-25 1989-10-25 周波数変調波受信装置

Publications (2)

Publication Number Publication Date
DE69030838D1 DE69030838D1 (de) 1997-07-10
DE69030838T2 true DE69030838T2 (de) 1997-11-20

Family

ID=27296398

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69030838T Expired - Fee Related DE69030838T2 (de) 1989-04-20 1990-04-20 Direktmischempfänger mit lokaler Trägerzitterfrequenz zur gesendeten Trägerfrequenz-Erfassung

Country Status (5)

Country Link
US (1) US5091921A (de)
EP (1) EP0394064B1 (de)
AU (1) AU624707B2 (de)
CA (1) CA2014916C (de)
DE (1) DE69030838T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005021193A1 (de) * 2005-05-03 2006-11-09 Endress + Hauser Gmbh + Co. Kg Schaltungsanordnung und Verfahren zur Signalaufbereitung eines digitalen Signals

Families Citing this family (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0473373A3 (en) * 1990-08-24 1993-03-03 Rockwell International Corporation Calibration system for direct conversion receiver
JP2861631B2 (ja) * 1992-05-06 1999-02-24 日本電気株式会社 Ｆｓｋ受信機
CA2108614C (en) * 1992-10-19 1998-01-20 Yoichiro Minami Receiver capable of reducing power consumption in a pll circuit
US5459680A (en) * 1993-10-20 1995-10-17 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method and apparatus for spur-reduced digital sinusoid synthesis
GB9419630D0 (en) * 1994-09-29 1994-11-16 Philips Electronics Uk Ltd Receiver having an adjustable symbol slice demodulator
US5613233A (en) * 1994-09-30 1997-03-18 Rockwell International Corp. Apparatus with distortion cancelling feedback signal
US5533062A (en) * 1994-10-03 1996-07-02 Motorola, Inc. Method and apparatus for carrier tracking and demodulation
US5497121A (en) * 1994-11-30 1996-03-05 Texas Instruments Incorporated Automatically correcting data detection circuit and method for FSK modulated signals
DE19614979C2 (de) 1995-04-20 2001-05-17 Fujitsu Ltd Hochfrequenz-Sende-Empfangs-Vorrichtung zur Datenkommunikation
JPH09224059A (ja) * 1996-02-15 1997-08-26 General Res Of Electron Inc 直接変換ｆｓｋ受信機
KR100419427B1 (ko) * 1996-06-24 2004-05-31 삼성전자주식회사 무선통신시스템에서의전압제어발진기의주파수조정방법
US6029052A (en) * 1997-07-01 2000-02-22 Telefonaktiebolaget Lm Ericsson Multiple-mode direct conversion receiver
US6420916B1 (en) 1997-08-05 2002-07-16 Rockwell Collins, Inc. Phase locked loop filter utilizing a tuned filter
JP3045131B2 (ja) * 1997-12-03 2000-05-29 日本電気株式会社 無線選択呼出受信機
KR100272170B1 (ko) * 1998-08-17 2000-11-15 윤종용 동작영역이 넓은 전압제어발진기 및 이를 사용하는 위상고정루프
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US7065327B1 (en) 1998-09-10 2006-06-20 Intel Corporation Single-chip CMOS direct-conversion transceiver
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6370371B1 (en) * 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US7039372B1 (en) * 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6560301B1 (en) * 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6873836B1 (en) * 1999-03-03 2005-03-29 Parkervision, Inc. Universal platform module and methods and apparatuses relating thereto enabled by universal frequency translation technology
US6853690B1 (en) * 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US6879817B1 (en) * 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7110444B1 (en) * 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) * 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7082171B1 (en) * 1999-11-24 2006-07-25 Parkervision, Inc. Phase shifting applications of universal frequency translation
US7292835B2 (en) * 2000-01-28 2007-11-06 Parkervision, Inc. Wireless and wired cable modem applications of universal frequency translation technology
US7010286B2 (en) * 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7068725B2 (en) * 2000-07-10 2006-06-27 Garmin At, Inc. Bit detection threshold in a TDMA burst communication system
US6725024B1 (en) 2000-11-07 2004-04-20 Telefonaktiebolaget Lm Ericsson (Publ) Offset local oscillator frequency
US7010559B2 (en) * 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator and applications thereof
US7454453B2 (en) * 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7072427B2 (en) * 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
EP1313277A1 (de) 2001-11-16 2003-05-21 Agilent Technologies, Inc. (a Delaware corporation) Verfahren zur Bestimmung der Grösse um AMI-pulsen durch Berechnung eines medians
US7460584B2 (en) * 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
DE10257536B4 (de) * 2002-12-10 2011-07-07 Newlogic Technologies Gmbh Spannungsgesteuerter Oszillator
US20040157571A1 (en) * 2003-02-07 2004-08-12 Klaas Wortel Enhanced register based FSK demodulator
TWI280690B (en) * 2003-03-18 2007-05-01 Tdk Corp Electronic device for wireless communications and reflector device for wireless communication cards
SG113455A1 (en) * 2003-03-27 2005-08-29 Oki Techno Ct Singapore Pte Differential detector
TWI266484B (en) * 2004-12-07 2006-11-11 Via Tech Inc A fast-switch charge pump and loop filter for high-speed dual-power phase lock loop
US7689189B2 (en) * 2005-04-06 2010-03-30 Silicon Laboratories Inc. Circuit and method for signal reception using a low intermediate frequency reception
GB2453767A (en) * 2007-10-19 2009-04-22 Toumaz Technology Ltd Automatic frequency correction in a frequency shift keying recevier

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7705552A (nl) * 1977-05-20 1978-11-22 Philips Nv Quadratuurtranspositietrap.
GB2032737A (en) * 1978-10-24 1980-05-08 Standard Telephones Cables Ltd Radio receiver for tone modulated signals
GB2057820B (en) * 1979-09-04 1984-07-04 Standard Telephones Cables Ltd Radio receiver for fsk signals
US4517519A (en) * 1980-11-07 1985-05-14 Kabushiki Kaisha Suwa Seikosha FSK Demodulator employing a switched capacitor filter and period counters
GB2106359B (en) * 1981-09-24 1985-07-03 Standard Telephones Cables Ltd Direct conversion radio receiver for fm signals
US4475219A (en) * 1982-08-18 1984-10-02 General Electric Company Demodulator for frequency-shift-keyed binary data signals
GB2141007B (en) * 1983-06-02 1986-07-23 Standard Telephones Cables Ltd Demodulator logic for frequency shift keyed signals
JPS60100859A (ja) * 1983-11-08 1985-06-04 Nec Corp 周波数検波器
GB2155262B (en) * 1984-03-01 1988-01-20 Standard Telephones Cables Ltd Radio receiver
NL8401347A (nl) * 1984-04-27 1985-11-18 Philips Nv Een fsk data ontvanger.
GB2158330A (en) * 1984-04-30 1985-11-06 Philips Electronic Associated An afc system for a direct modulation fm data receiver
GB2172158B (en) * 1985-03-07 1988-12-29 Stc Plc Zero-if radio receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005021193A1 (de) * 2005-05-03 2006-11-09 Endress + Hauser Gmbh + Co. Kg Schaltungsanordnung und Verfahren zur Signalaufbereitung eines digitalen Signals

Also Published As

Publication number Publication date
AU5375390A (en) 1990-10-25
EP0394064A3 (de) 1992-11-04
CA2014916A1 (en) 1990-10-20
CA2014916C (en) 1994-11-08
EP0394064A2 (de) 1990-10-24
DE69030838D1 (de) 1997-07-10
AU624707B2 (en) 1992-06-18
US5091921A (en) 1992-02-25
EP0394064B1 (de) 1997-06-04

Similar Documents

Publication Publication Date Title
DE69030838T2 (de) Direktmischempfänger mit lokaler Trägerzitterfrequenz zur gesendeten Trägerfrequenz-Erfassung
DE69021642D1 (de) Funkübertragungssystem mit einer Frequenz.
DE59004565D1 (de) Sender-empfänger-system.
DE68916289D1 (de) Direktmisch-Empfänger.
DE3787902D1 (de) Optischer Sender mit einem optischen Frequenzdiskriminator.
DE69029582D1 (de) Funkempfänger
DE3781397T2 (de) Satellitenuebertragungssystem mit frequenzwiedergebrauch.
DE3773809D1 (de) Frequenzmoduliertes dauerstrichradar zur entfernungsmessung.
DE59010483D1 (de) Empfänger mit direkter Quadratur-Abtastung des Eingangssignals
DE69032974D1 (de) Empfänger
KR890003644U (ko) 마이크로파 수신장치
DE69002242D1 (de) Sender-empfaenger-vorrichtung.
FI903235A0 (fi) Radiomottagare.
DE68913275T2 (de) AM-Synchronempfänger mit Direktmischung.
DE3686326D1 (de) Mikrowellen-sende/empfangsvorrichtung.
DE68914034D1 (de) Empfangseinrichtung mit alternierend umschaltender Empfangsträgerfrequenz.
DE3750698T2 (de) Messwertübertrager mit verbesserter bereichsjustierung.
IL92793A (en) Sideband receiver with pilot lock
DE69213348D1 (de) Frequenzdiskriminator und Überlagerungsempfänger ausgestattet mit diesem Frequenzdiskriminator zur kohärenten Lichtübertragung
DE3669348D1 (de) System zur messung des tastverhaeltnisses von impulsen veraenderlicher frequenz.
FI903018A0 (fi) Radiomottagare.
DE58909526D1 (de) Vorrichtung zur Mikrowellenübertragung.
DK85891D0 (da) Modtageapparat for mikroboelgesignaler
GB2229055B (en) Time domain radio transmission system
DE3771101D1 (de) Vorrichtung zur mischung von videosignalen.

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee