ID28977A - Metode dan radas untuk penentuan parameter prodistorsi dalam suatu modulator dengan mengukur daya keluaran - Google Patents

Metode dan radas untuk penentuan parameter prodistorsi dalam suatu modulator dengan mengukur daya keluaran

Info

Publication number
ID28977A
ID28977A IDW00200101330A ID20011330A ID28977A ID 28977 A ID28977 A ID 28977A ID W00200101330 A IDW00200101330 A ID W00200101330A ID 20011330 A ID20011330 A ID 20011330A ID 28977 A ID28977 A ID 28977A
Authority
ID
Indonesia
Prior art keywords
prodistor
radas
modulator
parameters
determining
Prior art date
Application number
IDW00200101330A
Other languages
English (en)
Indonesian (id)
Inventor
George Burgen
Original Assignee
Titan Corp
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 Titan Corp filed Critical Titan Corp
Publication of ID28977A publication Critical patent/ID28977A/id

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • H03C3/406—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated using a feedback loop containing mixers or demodulators
    • 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
    • H03D7/168—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 using a feedback loop containing mixers or demodulators
    • 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
    • H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • 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
    • H04L27/368—Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive predistortion

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
  • Transmitters (AREA)
IDW00200101330A 1998-11-19 1999-11-17 Metode dan radas untuk penentuan parameter prodistorsi dalam suatu modulator dengan mengukur daya keluaran ID28977A (id)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/196,361 US6298096B1 (en) 1998-11-19 1998-11-19 Method and apparatus for determination of predistortion parameters for a quadrature modulator

Publications (1)

Publication Number Publication Date
ID28977A true ID28977A (id) 2001-07-19

Family

ID=22725080

Family Applications (1)

Application Number Title Priority Date Filing Date
IDW00200101330A ID28977A (id) 1998-11-19 1999-11-17 Metode dan radas untuk penentuan parameter prodistorsi dalam suatu modulator dengan mengukur daya keluaran

Country Status (4)

Country Link
US (1) US6298096B1 (fr)
EP (1) EP1131929A1 (fr)
ID (1) ID28977A (fr)
WO (1) WO2000031941A1 (fr)

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US7288988B2 (en) * 2005-04-13 2007-10-30 Powerwave Technologies, Inc. Adaptive predistortion linearized amplifier system employing selective sampling
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Also Published As

Publication number Publication date
WO2000031941A1 (fr) 2000-06-02
US6298096B1 (en) 2001-10-02
EP1131929A1 (fr) 2001-09-12

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