IT1400118B1 - METHOD, DEVICE AND ELECTRONIC SYSTEM FOR THE WIDER-BAND DISMANTLING COMPENSATION BETWEEN A PHASE IN PHASE AND A CHANNEL IN TRANSCEIVER SQUARE. - Google Patents

METHOD, DEVICE AND ELECTRONIC SYSTEM FOR THE WIDER-BAND DISMANTLING COMPENSATION BETWEEN A PHASE IN PHASE AND A CHANNEL IN TRANSCEIVER SQUARE.

Info

Publication number
IT1400118B1
IT1400118B1 ITMI2010A000927A ITMI20100927A IT1400118B1 IT 1400118 B1 IT1400118 B1 IT 1400118B1 IT MI2010A000927 A ITMI2010A000927 A IT MI2010A000927A IT MI20100927 A ITMI20100927 A IT MI20100927A IT 1400118 B1 IT1400118 B1 IT 1400118B1
Authority
IT
Italy
Prior art keywords
phase
transceiver
compensation
wider
square
Prior art date
Application number
ITMI2010A000927A
Other languages
Italian (it)
Inventor
Andrea Giudici
Vittorio Rampa
Original Assignee
Wisytech S R L
Alfautomazione S P A
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 Wisytech S R L, Alfautomazione S P A filed Critical Wisytech S R L
Priority to ITMI2010A000927A priority Critical patent/IT1400118B1/en
Publication of ITMI20100927A1 publication Critical patent/ITMI20100927A1/en
Application granted granted Critical
Publication of IT1400118B1 publication Critical patent/IT1400118B1/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B1/0475Circuits with means for limiting noise, interference or distortion
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3247Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/32Modifications of amplifiers to reduce non-linear distortion
    • H03F1/3241Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
    • H03F1/3294Acting on the real and imaginary components of the input signal
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/34Negative-feedback-circuit arrangements with or without positive feedback
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189High-frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/195High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36Modulator circuits; Transmitter circuits
    • H04L27/362Modulation using more than one carrier, e.g. with quadrature carriers, separately amplitude modulated
    • H04L27/364Arrangements for overcoming imperfections in the modulator, e.g. quadrature error or unbalanced I and Q levels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/32Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36Modulator circuits; Transmitter circuits
    • H04L27/366Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/207A hybrid coupler being used as power measuring circuit at the output of an amplifier circuit
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/294Indexing scheme relating to amplifiers the amplifier being a low noise amplifier [LNA]
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/336A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B2001/0408Circuits with power amplifiers
    • H04B2001/0425Circuits with power amplifiers with linearisation using predistortion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B2001/0408Circuits with power amplifiers
    • H04B2001/0433Circuits with power amplifiers with linearisation using feedback

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Networks Using Active Elements (AREA)
  • Controlling Rewinding, Feeding, Winding, Or Abnormalities Of Webs (AREA)
ITMI2010A000927A 2010-05-21 2010-05-21 METHOD, DEVICE AND ELECTRONIC SYSTEM FOR THE WIDER-BAND DISMANTLING COMPENSATION BETWEEN A PHASE IN PHASE AND A CHANNEL IN TRANSCEIVER SQUARE. IT1400118B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ITMI2010A000927A IT1400118B1 (en) 2010-05-21 2010-05-21 METHOD, DEVICE AND ELECTRONIC SYSTEM FOR THE WIDER-BAND DISMANTLING COMPENSATION BETWEEN A PHASE IN PHASE AND A CHANNEL IN TRANSCEIVER SQUARE.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITMI2010A000927A IT1400118B1 (en) 2010-05-21 2010-05-21 METHOD, DEVICE AND ELECTRONIC SYSTEM FOR THE WIDER-BAND DISMANTLING COMPENSATION BETWEEN A PHASE IN PHASE AND A CHANNEL IN TRANSCEIVER SQUARE.

Publications (2)

Publication Number Publication Date
ITMI20100927A1 ITMI20100927A1 (en) 2011-11-22
IT1400118B1 true IT1400118B1 (en) 2013-05-17

Family

ID=43242708

Family Applications (1)

Application Number Title Priority Date Filing Date
ITMI2010A000927A IT1400118B1 (en) 2010-05-21 2010-05-21 METHOD, DEVICE AND ELECTRONIC SYSTEM FOR THE WIDER-BAND DISMANTLING COMPENSATION BETWEEN A PHASE IN PHASE AND A CHANNEL IN TRANSCEIVER SQUARE.

Country Status (1)

Country Link
IT (1) IT1400118B1 (en)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1854259B1 (en) * 2005-02-24 2013-09-04 Unwired Planet, LLC Iq-modulator pre-distortion
US7746186B2 (en) * 2008-01-29 2010-06-29 Analog Devices, Inc. Wideband quadrature imbalance compensation system and method

Also Published As

Publication number Publication date
ITMI20100927A1 (en) 2011-11-22

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