DE69924755D1 - I-q leistungsmodulationssystemen und verfahren mit vorverzerrungsschaltung - Google Patents

I-q leistungsmodulationssystemen und verfahren mit vorverzerrungsschaltung

Info

Publication number
DE69924755D1
DE69924755D1 DE69924755T DE69924755T DE69924755D1 DE 69924755 D1 DE69924755 D1 DE 69924755D1 DE 69924755 T DE69924755 T DE 69924755T DE 69924755 T DE69924755 T DE 69924755T DE 69924755 D1 DE69924755 D1 DE 69924755D1
Authority
DE
Germany
Prior art keywords
amplifier
power
input
reference frequency
frequency signals
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
DE69924755T
Other languages
English (en)
Inventor
O Camp
W Dent
R Holden
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.)
Ericsson Inc
Original Assignee
Ericsson 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 Ericsson Inc filed Critical Ericsson Inc
Application granted granted Critical
Publication of DE69924755D1 publication Critical patent/DE69924755D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • 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
    • H04L27/362—Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • 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
    • H04L27/366—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • H04L27/367—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit
DE69924755T 1999-01-07 1999-11-12 I-q leistungsmodulationssystemen und verfahren mit vorverzerrungsschaltung Expired - Lifetime DE69924755D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/226,478 US6181199B1 (en) 1999-01-07 1999-01-07 Power IQ modulation systems and methods
PCT/US1999/026913 WO2000041371A2 (en) 1999-01-07 1999-11-12 Power i-q modulation systems and methods using predistortion circuit

Publications (1)

Publication Number Publication Date
DE69924755D1 true DE69924755D1 (de) 2005-05-19

Family

ID=22849064

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69924755T Expired - Lifetime DE69924755D1 (de) 1999-01-07 1999-11-12 I-q leistungsmodulationssystemen und verfahren mit vorverzerrungsschaltung

Country Status (10)

Country Link
US (1) US6181199B1 (de)
EP (1) EP1142250B1 (de)
JP (1) JP2002534908A (de)
CN (1) CN1132389C (de)
AT (1) ATE293331T1 (de)
AU (1) AU1622600A (de)
DE (1) DE69924755D1 (de)
MY (1) MY122402A (de)
TR (1) TR200101889T2 (de)
WO (1) WO2000041371A2 (de)

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US7221915B2 (en) * 2003-06-25 2007-05-22 M/A-Com, Inc. Electromagnetic wave transmitter, receiver and transceiver systems, methods and articles of manufacture
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US8588330B2 (en) * 2011-03-16 2013-11-19 Blackberry Limited Quadrature communications device with I antennas and Q antennas and related methods
US8553802B2 (en) * 2011-03-16 2013-10-08 Blackberry Limited Quadrature communications device with I antennas and Q antennas and modulated power supply and related methods
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EP2715867A4 (de) 2011-06-02 2014-12-17 Parkervision Inc Antennensteuerung
US20130021104A1 (en) * 2011-07-18 2013-01-24 Ubidyne, Inc. Amplifier arrangement
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JP6211325B2 (ja) * 2013-07-18 2017-10-11 パナソニック株式会社 直交変調器
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CN106897645A (zh) * 2016-12-28 2017-06-27 深圳天珑无线科技有限公司 一种移动设备
CN113572453B (zh) * 2021-09-23 2022-01-21 广州慧智微电子有限公司 一种多相位移相器和多相位移相方法
CN113572452B (zh) * 2021-09-23 2022-01-21 广州慧智微电子有限公司 一种多相位移相器和多相位移相方法

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Also Published As

Publication number Publication date
WO2000041371A3 (en) 2000-10-26
US6181199B1 (en) 2001-01-30
EP1142250A2 (de) 2001-10-10
CN1332923A (zh) 2002-01-23
TR200101889T2 (tr) 2002-01-21
ATE293331T1 (de) 2005-04-15
AU1622600A (en) 2000-07-24
WO2000041371A2 (en) 2000-07-13
EP1142250B1 (de) 2005-04-13
MY122402A (en) 2006-04-29
JP2002534908A (ja) 2002-10-15
CN1132389C (zh) 2003-12-24

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: ERICSSON INC., PLANO, TEX., US

8332 No legal effect for de