FI20075408L - Systems, methods and devices for linear polar transmitters - Google Patents

Systems, methods and devices for linear polar transmitters Download PDF

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Publication number
FI20075408L
FI20075408L FI20075408A FI20075408A FI20075408L FI 20075408 L FI20075408 L FI 20075408L FI 20075408 A FI20075408 A FI 20075408A FI 20075408 A FI20075408 A FI 20075408A FI 20075408 L FI20075408 L FI 20075408L
Authority
FI
Finland
Prior art keywords
systems
methods
devices
linear polar
polar transmitters
Prior art date
Application number
FI20075408A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20075408A0 (en
Inventor
Wang Myong Woo
Chang-Ho Lee
Jae Joon Chang
Hak Sun Kim
Original Assignee
Samsung Electro Mech
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 Samsung Electro Mech filed Critical Samsung Electro Mech
Publication of FI20075408A0 publication Critical patent/FI20075408A0/en
Publication of FI20075408L publication Critical patent/FI20075408L/en

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
    • H04B1/04—Circuits
    • 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
    • H03F1/3282—Acting on the phase and the amplitude of the input signal
    • 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
    • H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0211—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the supply voltage or current
    • 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
    • H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude 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
    • H04L27/366—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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/324—An amplitude modulator or demodulator being used in the amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/393—A measuring circuit being coupled to the output of an amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
FI20075408A 2006-06-04 2007-06-04 Systems, methods and devices for linear polar transmitters FI20075408L (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US80387106P 2006-06-04 2006-06-04
US11/754,112 US7860466B2 (en) 2006-06-04 2007-05-25 Systems, methods, and apparatuses for linear polar transmitters

Publications (2)

Publication Number Publication Date
FI20075408A0 FI20075408A0 (en) 2007-06-04
FI20075408L true FI20075408L (en) 2007-12-05

Family

ID=38921811

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20075408A FI20075408L (en) 2006-06-04 2007-06-04 Systems, methods and devices for linear polar transmitters

Country Status (6)

Country Link
US (1) US7860466B2 (en)
KR (1) KR100872277B1 (en)
DE (1) DE102007026023B4 (en)
FI (1) FI20075408L (en)
FR (1) FR2924541A1 (en)
GB (1) GB2438752B (en)

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Also Published As

Publication number Publication date
DE102007026023B4 (en) 2012-07-12
DE102007026023A1 (en) 2008-01-24
US20070298734A1 (en) 2007-12-27
FI20075408A0 (en) 2007-06-04
US7860466B2 (en) 2010-12-28
KR20070116204A (en) 2007-12-07
KR100872277B1 (en) 2008-12-05
GB0710609D0 (en) 2007-07-11
GB2438752B (en) 2011-04-27
FR2924541A1 (en) 2009-06-05
GB2438752A (en) 2007-12-05

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