DE69838230T2 - Frequenzumsetzer und verfahren - Google Patents

Frequenzumsetzer und verfahren Download PDF

Info

Publication number
DE69838230T2
DE69838230T2 DE69838230T DE69838230T DE69838230T2 DE 69838230 T2 DE69838230 T2 DE 69838230T2 DE 69838230 T DE69838230 T DE 69838230T DE 69838230 T DE69838230 T DE 69838230T DE 69838230 T2 DE69838230 T2 DE 69838230T2
Authority
DE
Germany
Prior art keywords
signal
digital
complex
mixer
frequency signal
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 - Lifetime
Application number
DE69838230T
Other languages
German (de)
English (en)
Other versions
DE69838230D1 (de
Inventor
Thorsten Schier
Svante Signell
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69838230D1 publication Critical patent/DE69838230D1/de
Publication of DE69838230T2 publication Critical patent/DE69838230T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16Multiple-frequency-changing
    • H03D7/165Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166Multiple-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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D1/00Demodulation of amplitude-modulated oscillations
    • H03D1/22Homodyne or synchrodyne circuits
    • H03D1/24Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041Functional aspects of demodulators
    • H03D2200/0054Digital filters
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041Functional aspects of demodulators
    • H03D2200/0066Mixing
    • H03D2200/0072Mixing by complex multiplication
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16Multiple-frequency-changing
    • H03D7/161Multiple-frequency-changing all the frequency changers being connected in cascade
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03DDEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16Multiple-frequency-changing
    • H03D7/165Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Transmitters (AREA)
  • Amplitude Modulation (AREA)
  • Analogue/Digital Conversion (AREA)
DE69838230T 1997-10-03 1998-09-28 Frequenzumsetzer und verfahren Expired - Lifetime DE69838230T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9703617A SE514795C2 (sv) 1997-10-03 1997-10-03 Anordning och förfarande för upp- och nedkonvertering
SE9703617 1997-10-03
PCT/SE1998/001726 WO1999018657A2 (en) 1997-10-03 1998-09-28 Down/up-conversion apparatus and method

Publications (2)

Publication Number Publication Date
DE69838230D1 DE69838230D1 (de) 2007-09-20
DE69838230T2 true DE69838230T2 (de) 2008-05-08

Family

ID=20408503

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69838230T Expired - Lifetime DE69838230T2 (de) 1997-10-03 1998-09-28 Frequenzumsetzer und verfahren

Country Status (10)

Country Link
US (1) US6611569B1 (enExample)
EP (1) EP1057253B1 (enExample)
JP (1) JP2001519611A (enExample)
CN (1) CN1171379C (enExample)
AU (1) AU9370298A (enExample)
BR (1) BR9812708A (enExample)
CA (1) CA2305134C (enExample)
DE (1) DE69838230T2 (enExample)
SE (1) SE514795C2 (enExample)
WO (1) WO1999018657A2 (enExample)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
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
US7321735B1 (en) 1998-10-21 2008-01-22 Parkervision, Inc. Optical down-converter using universal frequency translation technology
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US7209725B1 (en) 1999-01-22 2007-04-24 Parkervision, Inc Analog zero if FM decoder and embodiments thereof, such as the family radio service
US7006805B1 (en) 1999-01-22 2006-02-28 Parker Vision, Inc. Aliasing communication system with multi-mode and multi-band functionality 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
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using 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
US7110435B1 (en) 1999-03-15 2006-09-19 Parkervision, Inc. Spread spectrum applications of universal frequency translation
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
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
US7072390B1 (en) 1999-08-04 2006-07-04 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments
US7054296B1 (en) 1999-08-04 2006-05-30 Parkervision, Inc. Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation
CA2281236C (en) 1999-09-01 2010-02-09 Tajinder Manku Direct conversion rf schemes using a virtually generated local oscillator
US7082171B1 (en) 1999-11-24 2006-07-25 Parkervision, Inc. Phase shifting applications of universal frequency translation
US6963734B2 (en) 1999-12-22 2005-11-08 Parkervision, Inc. Differential frequency down-conversion using techniques 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
US7554508B2 (en) 2000-06-09 2009-06-30 Parker Vision, Inc. Phased array antenna applications on universal frequency translation
JP2002076975A (ja) * 2000-08-17 2002-03-15 Samsung Electronics Co Ltd デジタルダウンコンバータ、及び受信機
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
US7085335B2 (en) 2001-11-09 2006-08-01 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
DE60215463T2 (de) * 2002-05-22 2007-02-08 Freescale Semiconductor, Inc., Austin Analog-Digital-Wandler Anordnung und Methode
US6975848B2 (en) 2002-06-04 2005-12-13 Parkervision, Inc. Method and apparatus for DC offset removal in a radio frequency communication channel
US7321640B2 (en) 2002-06-07 2008-01-22 Parkervision, Inc. Active polyphase inverter filter for quadrature signal generation
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
US7173980B2 (en) * 2002-09-20 2007-02-06 Ditrans Ip, Inc. Complex-IF digital receiver
CN100369377C (zh) * 2003-04-16 2008-02-13 鼎芯半导体〔上海〕有限公司 具有低噪声高线性下变频混频器
US7486338B1 (en) * 2003-04-28 2009-02-03 Wyszynski Adam S Fully integrated terrestrial TV tuner architecture
US7162397B2 (en) * 2004-05-07 2007-01-09 Snap-On Incorporated Decoding an alternator output signal
WO2006063358A1 (en) * 2004-12-10 2006-06-15 Maxlinear Inc. Harmonic reject receiver architecture and mixer
US7383728B2 (en) 2005-07-13 2008-06-10 Ultimate Balance, Inc. Orientation and motion sensing in athletic training systems, physical rehabilitation and evaluation systems, and hand-held devices
JP2009530897A (ja) * 2006-03-17 2009-08-27 Nsc株式会社 コンポジットbpfおよび直交信号のフィルタリング方法
US8902369B2 (en) * 2006-06-16 2014-12-02 Thomson Licensing Multichannel digital cable tuner
WO2008143738A1 (en) 2007-05-18 2008-11-27 Ultimate Balance, Inc. Newtonian physical activity monitor
US8600290B2 (en) * 2007-06-05 2013-12-03 Lockheed Martin Corporation Hybrid band directed energy target disruption
US8525717B2 (en) * 2010-08-13 2013-09-03 Rf Micro Devices, Inc. Half-bandwidth based quadrature analog-to-digital converter
WO2017144962A1 (en) * 2016-02-28 2017-08-31 Shai Waxman Fhss hotspot device and methods
EP3763063B1 (en) * 2018-03-08 2021-12-15 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for handling antenna signals for transmission between a base unit and a remote unit of a base station system
US11463071B2 (en) 2018-04-23 2022-10-04 Samsung Electronics Co,. Ltd Asymmetrical filtering to improve GNSS performance in presence of wideband interference
EP4339653B1 (de) * 2022-09-19 2024-07-17 Leuze electronic GmbH + Co. KG Optischer sensor

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3949309A (en) * 1971-11-09 1976-04-06 The United States Of America As Represented By The Secretary Of The Navy Non-linear processor for anti-jam operation
US4458216A (en) * 1981-09-22 1984-07-03 Racal-Vadic, Inc. Switched-capacitor modulator for quadrature modulation
GB2176356A (en) * 1985-06-12 1986-12-17 Philips Electronic Associated Method of, and demodulator for, digitally demodulating an ssb signal
EP0213222B1 (de) * 1985-08-27 1989-03-29 Deutsche ITT Industries GmbH Fernsehtonempfangsschaltung für mindestens einen in einem HF-signal enthaltenen Tonkanal
US4736390A (en) * 1986-10-15 1988-04-05 Itt Avionics, A Division Of Itt Corporation Zero IF radio receiver apparatus
CH682026A5 (enExample) * 1991-03-04 1993-06-30 Siemens Ag Albis
JP3400003B2 (ja) * 1993-02-18 2003-04-28 株式会社日立製作所 複素変復調方式
US5517529A (en) * 1993-10-18 1996-05-14 Westinghouse Electric Corp. UHF/L-Band monolithic direct digital receiver
CA2144596A1 (en) * 1994-04-05 1995-10-06 Richard Prodan Modulator/demodulator using baseband filtering
WO1996042160A2 (en) * 1995-06-08 1996-12-27 Philips Electronics N.V. Transmission system using transmitter with phase modulator and frequency multiplier
US5821782A (en) * 1995-12-18 1998-10-13 Lucent Technologies Inc. Frequency synthesis using a remodulator
FI101027B (fi) * 1996-01-05 1998-03-31 Nokia Mobile Phones Ltd Multipleksoitu signaalimuunnos
SE519541C2 (sv) * 1996-10-02 2003-03-11 Ericsson Telefon Ab L M Förfarande och anordning för transformering av en reell digital bredbandig bandpassignal till en uppsättning digitala basbandssignaler med I- och Q-komponenter
GB9605719D0 (en) * 1996-03-19 1996-05-22 Philips Electronics Nv Integrated receiver
US5749051A (en) * 1996-07-18 1998-05-05 Ericsson Inc. Compensation for second order intermodulation in a homodyne receiver
US5937341A (en) * 1996-09-13 1999-08-10 University Of Washington Simplified high frequency tuner and tuning method
US5956620A (en) * 1997-01-17 1999-09-21 Com Dev Limited Analog processor for digital satellites
US6275540B1 (en) * 1997-10-01 2001-08-14 Motorola, Inc. Selective call receiver having an apparatus for modifying an analog signal to a digital signal and method therefor

Also Published As

Publication number Publication date
CA2305134C (en) 2005-01-25
US6611569B1 (en) 2003-08-26
CN1273707A (zh) 2000-11-15
EP1057253A2 (en) 2000-12-06
JP2001519611A (ja) 2001-10-23
WO1999018657A3 (en) 1999-06-24
AU9370298A (en) 1999-04-27
BR9812708A (pt) 2000-11-28
SE9703617D0 (sv) 1997-10-03
DE69838230D1 (de) 2007-09-20
SE514795C2 (sv) 2001-04-23
CA2305134A1 (en) 1999-04-15
WO1999018657A2 (en) 1999-04-15
CN1171379C (zh) 2004-10-13
EP1057253B1 (en) 2007-08-08
SE9703617L (sv) 1999-04-04

Similar Documents

Publication Publication Date Title
DE69838230T2 (de) Frequenzumsetzer und verfahren
DE69732969T2 (de) Verfahren und einrichtung zum transformieren eines signals
DE69603172T2 (de) Inphase- und quadraturabtastschaltung
DE69530214T2 (de) Empfänger mit quadratur-dezimationsstufe und verfahren zur verarbeitung digitaler signale
DE69231027T2 (de) Digitaler Quadraturempfänger mit zweistufiger Verarbeitung
DE69908577T2 (de) Apparat und Methode zum Empfang und Verarbeitung eines Radiofrequenzsignals
DE69228281T2 (de) Digitaler Mehrzwecksender-Empfänger mit Zeitmultiplex
DE69729681T2 (de) Frequenzmultiplexnachrichtenübertragungssystem mit variabler Bandbreite
DE69934403T2 (de) Verfahren und vorrichtung zur digitalen kanalisierung und dekanalisierung
DE60310569T2 (de) Mischeranordnung unter verwendung von einigen oszillatoren und darauf basierenden systemen
DE19651720A1 (de) Digitalmodulator und Digitaldemodulator
DE69830228T2 (de) Multistandardempfang
DE60225467T2 (de) Digitaler multiratensender/-empfänger
DE3785070T2 (de) Datenuebertragung unter verwendung eines transparenten ton-im-band-systems.
DE19837229A1 (de) Hochfrequenz-Null-Zwischenfrequenz-Gleichstromabwärtswandler
DE602005000367T2 (de) Digitale Frequenzaufwärtskonversionsschaltung
DE4219417A1 (de) Schmalbandempfänger für Datensignale
DE4332735C2 (de) Verfahren zum digitalen Erzeugen eines komplexen Basisbandsignals
DE60219391T2 (de) OFDM Demodulatorschaltung mit einfacher Schaltungsanordnung
EP1657917A1 (de) Verfahren und Schaltungsanordnung zur Kanalfilterung analog oder digital modulierter TV-Signale
DE102008049961A1 (de) Signalwandler
DE60005291T2 (de) Struktur und Methode zur Demodulation
DE69805396T2 (de) Verfahren und geraet zur abtastung eines analogsignals
DE102013103452A1 (de) Abtastempfänger mit inhärenter Mischerfunktionalität im diskreten Zeitbereich
DE19946722A1 (de) Einrichtung und Verfahren zur spektralen Formung eines Sendesignals in einem Funksender

Legal Events

Date Code Title Description
8364 No opposition during term of opposition