DE69520983D1 - Schaltung zur i/q-quadraturphasenmodulation - Google Patents

Schaltung zur i/q-quadraturphasenmodulation

Info

Publication number
DE69520983D1
DE69520983D1 DE69520983T DE69520983T DE69520983D1 DE 69520983 D1 DE69520983 D1 DE 69520983D1 DE 69520983 T DE69520983 T DE 69520983T DE 69520983 T DE69520983 T DE 69520983T DE 69520983 D1 DE69520983 D1 DE 69520983D1
Authority
DE
Germany
Prior art keywords
circuit
phase modulation
square phase
square
modulation
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
DE69520983T
Other languages
English (en)
Other versions
DE69520983T2 (de
Inventor
Charles Persico
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.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE69520983D1 publication Critical patent/DE69520983D1/de
Application granted granted Critical
Publication of DE69520983T2 publication Critical patent/DE69520983T2/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
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/52—Modulators in which carrier or one sideband is wholly or partially suppressed
    • H03C1/54—Balanced modulators, e.g. bridge type, ring type or double balanced type
    • H03C1/542—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes
    • H03C1/545—Balanced modulators, e.g. bridge type, ring type or double balanced type comprising semiconductor devices with at least three electrodes using bipolar transistors
    • 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
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1433—Balanced arrangements with transistors using bipolar transistors
    • 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
    • H03D7/14—Balanced arrangements
    • H03D7/1425—Balanced arrangements with transistors
    • H03D7/1458—Double balanced arrangements, i.e. where both input signals are differential
    • 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
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0004—Circuit elements of modulators
    • H03C2200/0025—Gilbert multipliers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037—Functional aspects of modulators
    • H03C2200/0058—Quadrature arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C2200/00—Indexing scheme relating to details of modulators or modulation methods covered by H03C
    • H03C2200/0037—Functional aspects of modulators
    • H03C2200/0066—Reduction of carrier leakage or the suppression of the carrier
    • 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
    • H03D1/229—Homodyne or synchrodyne circuits using at least a two emittor-coupled differential pair of transistors
    • 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
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
DE69520983T 1994-01-25 1995-01-20 Schaltung zur i/q-quadraturphasenmodulation Expired - Fee Related DE69520983T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/186,398 US5574755A (en) 1994-01-25 1994-01-25 I/Q quadraphase modulator circuit
PCT/IB1995/000047 WO1995020284A1 (en) 1994-01-25 1995-01-20 I/q quadraphase modulator circuit

Publications (2)

Publication Number Publication Date
DE69520983D1 true DE69520983D1 (de) 2001-06-28
DE69520983T2 DE69520983T2 (de) 2002-01-10

Family

ID=22684798

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69520983T Expired - Fee Related DE69520983T2 (de) 1994-01-25 1995-01-20 Schaltung zur i/q-quadraturphasenmodulation

Country Status (7)

Country Link
US (1) US5574755A (de)
EP (1) EP0691057B1 (de)
JP (1) JPH08508632A (de)
KR (1) KR100335713B1 (de)
CN (1) CN1083197C (de)
DE (1) DE69520983T2 (de)
WO (1) WO1995020284A1 (de)

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US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
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
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US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
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
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US6397051B1 (en) 1998-12-21 2002-05-28 At&T Corporation Dual image-reject mixer receiver for multiple channel reception and processing
US6181199B1 (en) * 1999-01-07 2001-01-30 Ericsson Inc. Power IQ modulation systems and methods
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US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
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
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
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US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
FR2807896A1 (fr) * 2000-04-18 2001-10-19 Koninkl Philips Electronics Nv Convertisseur de frequence faible bruit a forte rejection de frequence image
US6768391B1 (en) 2000-06-22 2004-07-27 Ericsson Inc. Class-B biased gilbert cells and quadrature modulators
US6674998B2 (en) * 2000-10-02 2004-01-06 Intersil Americas Inc. System and method for detecting and correcting phase error between differential signals
US7068987B2 (en) 2000-10-02 2006-06-27 Conexant, Inc. Packet acquisition and channel tracking for a wireless communication device configured in a zero intermediate frequency architecture
US7130599B2 (en) 2000-11-03 2006-10-31 Qualcomm Inc. Quadrature generator with image reject mixer
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US6433720B1 (en) 2001-03-06 2002-08-13 Furaxa, Inc. Methods, apparatuses, and systems for sampling or pulse generation
US6642878B2 (en) * 2001-06-06 2003-11-04 Furaxa, Inc. Methods and apparatuses for multiple sampling and multiple pulse generation
JP2003060441A (ja) * 2001-08-10 2003-02-28 Toshiba Corp ダブルバランスミキサー回路とそれを用いた直交復調回路
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US6810242B2 (en) * 2002-09-30 2004-10-26 Skyworks Solutions, Inc. Subharmonic mixer
US6983024B2 (en) 2003-03-18 2006-01-03 Qualcomm Inc. Quadra-polar modulator
US6791371B1 (en) 2003-03-27 2004-09-14 Pericom Semiconductor Corp. Power-down activated by differential-input multiplier and comparator
US6768390B1 (en) * 2003-04-02 2004-07-27 Agilent Technologies, Inc. System and method for generating balanced modulated signals with arbitrary amplitude and phase control using modulation
US7146149B1 (en) * 2003-07-10 2006-12-05 Maxim Integrated Products, Inc. High isolation switch buffer for frequency hopping radios
US20050035660A1 (en) * 2003-07-31 2005-02-17 John Santhoff Electromagnetic pulse generator
US20050024038A1 (en) * 2003-07-31 2005-02-03 John Santhoff Sampling circuit apparatus and method
US20050035663A1 (en) * 2003-07-31 2005-02-17 Steven Moore Electromagnetic pulse generator
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US7046618B2 (en) * 2003-11-25 2006-05-16 Pulse-Link, Inc. Bridged ultra-wideband communication method and apparatus
JP3902184B2 (ja) * 2004-02-24 2007-04-04 株式会社アドバンテスト 直交変調装置、方法、プログラム、記録媒体
US7187917B2 (en) * 2004-03-29 2007-03-06 Texas Instruments Incorporated Current interpolation in multi-phase local oscillator for use with harmonic rejection mixer
JP2005348208A (ja) * 2004-06-04 2005-12-15 Sony Corp 位相ロック回路
US7376399B2 (en) * 2004-06-30 2008-05-20 Silicon Laboratories Inc. Weighted mixing circuitry for quadrature processing in communication systems
US8085868B2 (en) * 2004-11-03 2011-12-27 Freescale Semiconductor, Inc. Phase modulating and combining circuit
US7587187B2 (en) * 2006-06-29 2009-09-08 Itt Manufacturing Enterprises, Inc. Ultra wide band, differential input/output, high frequency active mixer in an integrated circuit
JPWO2010041293A1 (ja) * 2008-10-07 2012-03-01 株式会社アドバンテスト 直交振幅変調器、変調方法およびそれらを利用した半導体装置および試験装置
US8531209B2 (en) * 2009-01-16 2013-09-10 Tektronix, Inc. Multifunction word recognizer element
US8965290B2 (en) * 2012-03-29 2015-02-24 General Electric Company Amplitude enhanced frequency modulation
KR101487015B1 (ko) * 2013-04-19 2015-01-26 고려대학교 산학협력단 단일 길버트셀을 이용한 위상 변화기
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Also Published As

Publication number Publication date
EP0691057B1 (de) 2001-05-23
JPH08508632A (ja) 1996-09-10
KR100335713B1 (ko) 2002-11-13
KR960701546A (ko) 1996-02-24
EP0691057A1 (de) 1996-01-10
US5574755A (en) 1996-11-12
DE69520983T2 (de) 2002-01-10
CN1124554A (zh) 1996-06-12
WO1995020284A1 (en) 1995-07-27
CN1083197C (zh) 2002-04-17

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8320 Willingness to grant licences declared (paragraph 23)
8339 Ceased/non-payment of the annual fee