CA2880734A1 - Extended bandwidth digital doherty transmitter - Google Patents

Extended bandwidth digital doherty transmitter Download PDF

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Publication number
CA2880734A1
CA2880734A1 CA2880734A CA2880734A CA2880734A1 CA 2880734 A1 CA2880734 A1 CA 2880734A1 CA 2880734 A CA2880734 A CA 2880734A CA 2880734 A CA2880734 A CA 2880734A CA 2880734 A1 CA2880734 A1 CA 2880734A1
Authority
CA
Canada
Prior art keywords
signal
input
block
digital
output
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.)
Pending
Application number
CA2880734A
Other languages
English (en)
French (fr)
Inventor
Fadhel Ghannouchi
Ramzi Darraji
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.)
Individual
Original Assignee
Individual
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
Priority claimed from US13/563,621 external-priority patent/US8837629B2/en
Application filed by Individual filed Critical Individual
Publication of CA2880734A1 publication Critical patent/CA2880734A1/en
Pending legal-status Critical Current

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
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F1/00Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/02Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
    • H03F1/0205Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
    • H03F1/0288Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers
    • 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
    • H03F3/00Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • 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
    • 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
    • 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
    • H04B1/0483Transmitters with multiple parallel paths
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • 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
    • H04L27/367Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion
    • H04L27/368Arrangements for compensating undesirable properties of the transmission path between the modulator and the demodulator using predistortion adaptive 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
    • H04B2001/0425Circuits with power amplifiers with linearisation using predistortion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2614Peak power aspects
    • H04L27/2623Reduction thereof by clipping

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
CA2880734A 2012-07-31 2013-07-31 Extended bandwidth digital doherty transmitter Pending CA2880734A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US13/563,621 US8837629B2 (en) 2011-05-11 2012-07-31 Extended bandwidth digital Doherty transmitter
US13/563,621 2012-07-31
PCT/CA2013/000678 WO2014019071A1 (en) 2012-07-31 2013-07-31 Extended bandwidth digital doherty transmitter

Publications (1)

Publication Number Publication Date
CA2880734A1 true CA2880734A1 (en) 2014-02-06

Family

ID=50027020

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2880734A Pending CA2880734A1 (en) 2012-07-31 2013-07-31 Extended bandwidth digital doherty transmitter

Country Status (5)

Country Link
CN (1) CN104704747B (zh)
CA (1) CA2880734A1 (zh)
HK (1) HK1211391A1 (zh)
SE (1) SE541265C2 (zh)
WO (1) WO2014019071A1 (zh)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11233483B2 (en) 2017-02-02 2022-01-25 Macom Technology Solutions Holdings, Inc. 90-degree lumped and distributed Doherty impedance inverter
US11050389B2 (en) 2017-04-24 2021-06-29 Macom Technology Solutions Holdings, Inc. Inverted Doherty power amplifier with large RF and instantaneous bandwidths
US11159125B2 (en) 2017-04-24 2021-10-26 Macom Technology Solutions Holdings, Inc. Inverted Doherty power amplifier with large RF fractional and instantaneous bandwidths
CN110785927B (zh) 2017-04-24 2024-03-08 麦克姆技术解决方案控股有限公司 效率提高的对称多尔蒂功率放大器
FR3070100A1 (fr) * 2017-08-14 2019-02-15 Macom Technology Solutions Holdings, Inc. Architecture d'amplificateur de puissance sans modulation, a large bande et a haut rendement
CN109586677B (zh) * 2017-09-29 2020-12-25 华为技术有限公司 信号处理装置、多输入功率放大系统及相关方法
EP3692631A1 (en) 2017-10-02 2020-08-12 MACOM Technology Solutions Holdings, Inc. No-load-modulation, high-efficiency power amplifier
US10454427B2 (en) * 2017-11-01 2019-10-22 Mitsubishi Electric Research Laboratories, Inc. Power amplifier system and learning-based autotuning method thereof
CN109905092B (zh) * 2017-12-11 2022-02-25 华为技术有限公司 一种功率放大装置及信号处理方法
CN111566940B (zh) * 2017-12-22 2021-08-13 华为技术有限公司 一种信号处理电路、射频信号发射机和通信设备
WO2020072898A1 (en) 2018-10-05 2020-04-09 Macom Technology Solutions Holdings, Inc. Low-load-modulation power amplifier
US10868500B1 (en) * 2019-10-29 2020-12-15 Nxp Usa, Inc. Doherty amplifier with complex combining load matching circuit
WO2021137951A1 (en) 2019-12-30 2021-07-08 Macom Technology Solutions Holdings, Inc. Low-load-modulation broadband amplifier
US12028022B2 (en) 2020-12-10 2024-07-02 Macom Technology Solutions Holdings, Inc. Hybrid power amplifier with GaN-on-Si and GaN-on-SiC circuits

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7541866B2 (en) * 2006-09-29 2009-06-02 Nortel Networks Limited Enhanced doherty amplifier with asymmetrical semiconductors
US20080111622A1 (en) * 2006-11-14 2008-05-15 Roland Sperlich Hybrid Doherty Amplifier System and Method
KR20080065042A (ko) * 2007-01-08 2008-07-11 삼성전자주식회사 도허티 전력 증폭기를 위한 디지털 전치 왜곡 선형화기
EP2132872B1 (en) * 2007-03-30 2018-11-28 Apple Inc. Amplifier pre-distortion systems and methods
US8180303B2 (en) * 2008-05-28 2012-05-15 Hollinworth Fund, L.L.C. Power amplifier architectures
US7619468B1 (en) * 2008-09-30 2009-11-17 Nortel Networks Limited Doherty amplifier with drain bias supply modulation
EP2475094A1 (en) * 2011-01-07 2012-07-11 Alcatel Lucent Doherty amplifier

Also Published As

Publication number Publication date
HK1211391A1 (zh) 2016-05-20
WO2014019071A1 (en) 2014-02-06
SE541265C2 (en) 2019-05-28
CN104704747B (zh) 2017-08-25
CN104704747A (zh) 2015-06-10
SE1550180A1 (sv) 2015-02-18

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Effective date: 20190610

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Effective date: 20190610

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EEER Examination request

Effective date: 20190610

EEER Examination request

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EEER Examination request

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EEER Examination request

Effective date: 20190610

EEER Examination request

Effective date: 20190610