SE522346C2 - Förfarande och anordning för att välja bland flera blandare - Google Patents

Förfarande och anordning för att välja bland flera blandare

Info

Publication number
SE522346C2
SE522346C2 SE9802520A SE9802520A SE522346C2 SE 522346 C2 SE522346 C2 SE 522346C2 SE 9802520 A SE9802520 A SE 9802520A SE 9802520 A SE9802520 A SE 9802520A SE 522346 C2 SE522346 C2 SE 522346C2
Authority
SE
Sweden
Prior art keywords
average output
power level
output power
mixers
current
Prior art date
Application number
SE9802520A
Other languages
English (en)
Swedish (sv)
Other versions
SE9802520D0 (sv
SE9802520L (sv
Inventor
Paul H Gailus
Kevin J Mccallum
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of SE9802520D0 publication Critical patent/SE9802520D0/xx
Publication of SE9802520L publication Critical patent/SE9802520L/xx
Publication of SE522346C2 publication Critical patent/SE522346C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B21/00—Generation of oscillations by combining unmodulated signals of different frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H04B1/26—Circuits for superheterodyne receivers
    • H04B1/28—Circuits for superheterodyne receivers the receiver comprising at least one semiconductor device having three or more electrodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/30—Systems using multi-frequency codes wherein each code element is represented by a combination of frequencies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Circuit For Audible Band Transducer (AREA)
SE9802520A 1996-01-19 1998-07-13 Förfarande och anordning för att välja bland flera blandare SE522346C2 (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/589,134 US6147543A (en) 1996-01-19 1996-01-19 Method and apparatus for selecting from multiple mixers
PCT/US1996/019695 WO1997026710A1 (en) 1996-01-19 1996-12-13 Method and apparatus for selecting from multiple mixers

Publications (3)

Publication Number Publication Date
SE9802520D0 SE9802520D0 (sv) 1998-07-13
SE9802520L SE9802520L (sv) 1998-09-15
SE522346C2 true SE522346C2 (sv) 2004-02-03

Family

ID=24356743

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9802520A SE522346C2 (sv) 1996-01-19 1998-07-13 Förfarande och anordning för att välja bland flera blandare

Country Status (11)

Country Link
US (2) US6147543A (pt)
EP (1) EP0875094B1 (pt)
JP (1) JP4542629B2 (pt)
KR (1) KR100295262B1 (pt)
CN (1) CN1112773C (pt)
AU (1) AU703199B2 (pt)
BR (1) BR9612449A (pt)
DE (1) DE69638336D1 (pt)
IL (1) IL124577A0 (pt)
SE (1) SE522346C2 (pt)
WO (1) WO1997026710A1 (pt)

Families Citing this family (40)

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US6147543A (en) * 1996-01-19 2000-11-14 Motorola, Inc. Method and apparatus for selecting from multiple mixers
US6300837B1 (en) * 2000-03-28 2001-10-09 Philips Electronics North America Corporation Dynamic bias boosting circuit for a power amplifier
US6603964B1 (en) * 2000-09-05 2003-08-05 Motorola, Inc. Mixer with reduced carrier feedthrough
US6804499B2 (en) * 2001-04-09 2004-10-12 Koninklijke Philips Electronics N.V. Power-mixer architecture for a transmitter
DE10132587A1 (de) 2001-07-05 2002-11-14 Infineon Technologies Ag Sendeanordnung mit Leistungsregelung
AU2003205477A1 (en) * 2002-02-25 2003-09-09 Sirific Wireless Corporation Frequency down converter using a multitone local oscillator
DE602004024926D1 (de) * 2003-02-07 2010-02-11 Nxp Bv Signal
FR2854288B1 (fr) * 2003-04-23 2005-05-27 Commissariat Energie Atomique Dispositif d'emission-reception rf
US7187909B2 (en) * 2004-03-29 2007-03-06 Texas Instruments Incorporated Current mode transmitter
US8611305B2 (en) 2005-08-22 2013-12-17 Qualcomm Incorporated Interference cancellation for wireless communications
US9071344B2 (en) 2005-08-22 2015-06-30 Qualcomm Incorporated Reverse link interference cancellation
US9014152B2 (en) 2008-06-09 2015-04-21 Qualcomm Incorporated Increasing capacity in wireless communications
US20070161356A1 (en) * 2006-01-12 2007-07-12 Hoon Bryan A Method and apparatus for improved carrier feed thru rejection for a linear amplifier
US8929840B2 (en) 2007-09-14 2015-01-06 Qualcomm Incorporated Local oscillator buffer and mixer having adjustable size
US8019310B2 (en) * 2007-10-30 2011-09-13 Qualcomm Incorporated Local oscillator buffer and mixer having adjustable size
JP5065493B2 (ja) * 2007-09-14 2012-10-31 クゥアルコム・インコーポレイテッド 調整可能なサイズを有する局部発振器バッファ及びミキサ
US8599938B2 (en) 2007-09-14 2013-12-03 Qualcomm Incorporated Linear and polar dual mode transmitter circuit
US7941115B2 (en) * 2007-09-14 2011-05-10 Qualcomm Incorporated Mixer with high output power accuracy and low local oscillator leakage
US7852157B2 (en) * 2008-03-13 2010-12-14 Nec Electronics Corporation Differential amplifier
US8639205B2 (en) 2008-03-20 2014-01-28 Qualcomm Incorporated Reduced power-consumption receivers
GB0807148D0 (en) * 2008-04-18 2008-05-21 Elonics Ltd Clock distribution buffer
US20100046660A1 (en) 2008-05-13 2010-02-25 Qualcomm Incorporated Interference cancellation under non-stationary conditions
US9277487B2 (en) 2008-08-01 2016-03-01 Qualcomm Incorporated Cell detection with interference cancellation
US9237515B2 (en) 2008-08-01 2016-01-12 Qualcomm Incorporated Successive detection and cancellation for cell pilot detection
US8503591B2 (en) 2008-08-19 2013-08-06 Qualcomm Incorporated Enhanced geran receiver using channel input beamforming
US8509293B2 (en) 2008-08-19 2013-08-13 Qualcomm Incorporated Semi-coherent timing propagation for GERAN multislot configurations
US8378732B2 (en) * 2008-09-22 2013-02-19 California Institute Of Technology Octave-range, watt-level, fully-integrated CMOS switching power mixer array for linearization and back-off-efficiency improvement
US9160577B2 (en) 2009-04-30 2015-10-13 Qualcomm Incorporated Hybrid SAIC receiver
US8787509B2 (en) 2009-06-04 2014-07-22 Qualcomm Incorporated Iterative interference cancellation receiver
US8432211B2 (en) 2009-07-02 2013-04-30 Qualcomm Incorporated Mixer-transconductance interface
US8619928B2 (en) 2009-09-03 2013-12-31 Qualcomm Incorporated Multi-stage interference suppression
US8831149B2 (en) 2009-09-03 2014-09-09 Qualcomm Incorporated Symbol estimation methods and apparatuses
WO2011063569A1 (en) 2009-11-27 2011-06-03 Qualcomm Incorporated Increasing capacity in wireless communications
WO2011063568A1 (en) 2009-11-27 2011-06-03 Qualcomm Incorporated Increasing capacity in wireless communications
US8604958B2 (en) 2011-05-13 2013-12-10 Intel Mobile Communications GmbH RF DAC with configurable DAC mixer interface and configurable mixer
DE102011075796B4 (de) 2011-05-13 2015-02-19 Intel Mobile Communications GmbH Mischerzelle, Modulator und Verfahren
US8462035B2 (en) 2011-05-13 2013-06-11 Infineon Technologies Ag Digital-to-analog conversion arrangement with power range dependent D/A converter selection
JP5666985B2 (ja) * 2011-05-16 2015-02-12 ルネサスエレクトロニクス株式会社 ダウンコンバータ、ダウンコンバータｉｃ、およびダウンコンバータの制御方法
US8787854B2 (en) 2012-07-25 2014-07-22 Qualcomm Incorporated Low power local oscillator signal generation
CN116683567B (zh) * 2023-05-29 2024-03-26 深圳市费思泰克科技有限公司 用于新能源汽车电控测试的高精度双向直流电源

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US4525862A (en) * 1980-07-02 1985-06-25 Motorola, Inc. Transform modulation system
US4499426A (en) * 1980-07-02 1985-02-12 Motorola, Inc. Baseband discriminator for frequency or transform modulation
US4408352A (en) * 1982-05-10 1983-10-04 Rockwell International Corporation High power level mixer apparatus
US4494238A (en) * 1982-06-30 1985-01-15 Motorola, Inc. Multiple channel data link system
DE3401863C2 (de) 1984-01-20 1986-01-30 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Bandabhängig schaltbare VHF-Mischerschaltungsanordnung
US5001723A (en) * 1985-11-05 1991-03-19 Allied-Signal Inc. Sinusoidal M-ary orthogonal keyed decoding
EP0341531A3 (de) * 1988-05-11 1991-05-15 Licentia Patent-Verwaltungs-GmbH Regelbarer Breitbandverstärker
JP2591129B2 (ja) * 1988-12-20 1997-03-19 富士通株式会社 ホットスタンバイ切替方式
US5237286A (en) * 1989-04-14 1993-08-17 Hitachi, Ltd. Method and apparatus for generation of high frequency pulses
CA2044774C (en) * 1990-06-16 1995-11-28 Tooru Ogino Receiver for a cellular mobile radio communication system
KR940002968B1 (ko) * 1990-07-28 1994-04-09 삼성전자 주식회사 이중대역 주파수변환장치
EP0507525B1 (en) 1991-04-03 1997-06-11 Sony Corporation Radio frequency modulators
DE4129830A1 (de) * 1991-09-07 1993-03-25 Blaupunkt Werke Gmbh Ukw-empfaenger mit mehreren antennen
US5551076A (en) * 1994-09-06 1996-08-27 Motorola, Inc. Circuit and method of series biasing a single-ended mixer
US5648985A (en) * 1994-11-30 1997-07-15 Rockwell Semiconductor Systems, Inc. Universal radio architecture for low-tier personal communication system
US6147543A (en) * 1996-01-19 2000-11-14 Motorola, Inc. Method and apparatus for selecting from multiple mixers

Also Published As

Publication number Publication date
CN1207835A (zh) 1999-02-10
EP0875094B1 (en) 2011-03-02
SE9802520D0 (sv) 1998-07-13
SE9802520L (sv) 1998-09-15
AU1414597A (en) 1997-08-11
EP0875094A1 (en) 1998-11-04
AU703199B2 (en) 1999-03-18
BR9612449A (pt) 1999-07-13
JP4542629B2 (ja) 2010-09-15
CN1112773C (zh) 2003-06-25
KR19990081842A (ko) 1999-11-15
KR100295262B1 (ko) 2001-08-07
US6259301B1 (en) 2001-07-10
EP0875094A4 (en) 2004-05-19
DE69638336D1 (de) 2011-04-14
US6147543A (en) 2000-11-14
IL124577A0 (en) 1998-12-06
WO1997026710A1 (en) 1997-07-24

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