AU9370298A - Down/up-conversion apparatus and method - Google Patents

Down/up-conversion apparatus and method

Info

Publication number
AU9370298A
AU9370298A AU93702/98A AU9370298A AU9370298A AU 9370298 A AU9370298 A AU 9370298A AU 93702/98 A AU93702/98 A AU 93702/98A AU 9370298 A AU9370298 A AU 9370298A AU 9370298 A AU9370298 A AU 9370298A
Authority
AU
Australia
Prior art keywords
conversion apparatus
conversion
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.)
Abandoned
Application number
AU93702/98A
Other languages
English (en)
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
Publication of AU9370298A publication Critical patent/AU9370298A/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-frequency-changing at least two frequency changers being located in different paths, e.g. in two paths with carriers in quadrature
    • H03D7/166—Multiple-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
    • 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
    • H03D1/24—Homodyne or synchrodyne circuits for demodulation of signals wherein one sideband or the carrier has been wholly or partially suppressed
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0054—Digital filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D2200/00—Indexing scheme relating to details of demodulation or transference of modulation from one carrier to another covered by H03D
    • H03D2200/0041—Functional aspects of demodulators
    • H03D2200/0066—Mixing
    • H03D2200/0072—Mixing by complex multiplication
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/161—Multiple-frequency-changing all the frequency changers being connected in cascade
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/16—Multiple-frequency-changing
    • H03D7/165—Multiple-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)
  • Transmitters (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Amplitude Modulation (AREA)
  • Analogue/Digital Conversion (AREA)
AU93702/98A 1997-10-03 1998-09-28 Down/up-conversion apparatus and method Abandoned AU9370298A (en)

Applications Claiming Priority (3)

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

Publications (1)

Publication Number Publication Date
AU9370298A true AU9370298A (en) 1999-04-27

Family

ID=20408503

Family Applications (1)

Application Number Title Priority Date Filing Date
AU93702/98A Abandoned AU9370298A (en) 1997-10-03 1998-09-28 Down/up-conversion apparatus and method

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)

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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
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
US7027786B1 (en) 1998-10-21 2006-04-11 Parkervision, Inc. Carrier and clock recovery using universal frequency translation
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
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
US7209725B1 (en) 1999-01-22 2007-04-24 Parkervision, Inc Analog zero if FM decoder 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
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
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7054296B1 (en) 1999-08-04 2006-05-30 Parkervision, Inc. Wireless local area network (WLAN) technology and applications including techniques of universal frequency translation
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
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
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US7010559B2 (en) 2000-11-14 2006-03-07 Parkervision, Inc. Method and apparatus for a parallel correlator 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
US20060160518A1 (en) * 2004-12-10 2006-07-20 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
WO2007108138A1 (en) * 2006-03-17 2007-09-27 Niigata Seimitsu Co., Ltd. Composite band-pass filter and method of filtering quadrature signals
JP2009540741A (ja) * 2006-06-16 2009-11-19 トムソン ライセンシング マルチチャンネルのディジタル・ケーブル・チューナ
US7634379B2 (en) 2007-05-18 2009-12-15 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
JP2019531676A (ja) * 2016-02-28 2019-10-31 ワクスマン、シャイ Ｆｈｓｓホットスポット装置及び方法
WO2019172811A1 (en) * 2018-03-08 2019-09-12 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

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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
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US5517529A (en) * 1993-10-18 1996-05-14 Westinghouse Electric Corp. UHF/L-Band monolithic direct digital receiver
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Also Published As

Publication number Publication date
BR9812708A (pt) 2000-11-28
SE514795C2 (sv) 2001-04-23
EP1057253A2 (en) 2000-12-06
SE9703617D0 (sv) 1997-10-03
JP2001519611A (ja) 2001-10-23
CN1171379C (zh) 2004-10-13
CA2305134A1 (en) 1999-04-15
DE69838230T2 (de) 2008-05-08
CA2305134C (en) 2005-01-25
WO1999018657A3 (en) 1999-06-24
WO1999018657A2 (en) 1999-04-15
US6611569B1 (en) 2003-08-26
EP1057253B1 (en) 2007-08-08
DE69838230D1 (de) 2007-09-20
CN1273707A (zh) 2000-11-15
SE9703617L (sv) 1999-04-04

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase