HK1211391A1 - Extended bandwidth digital doherty transmitter - Google Patents

Extended bandwidth digital doherty transmitter

Info

Publication number
HK1211391A1
HK1211391A1 HK15112168.4A HK15112168A HK1211391A1 HK 1211391 A1 HK1211391 A1 HK 1211391A1 HK 15112168 A HK15112168 A HK 15112168A HK 1211391 A1 HK1211391 A1 HK 1211391A1
Authority
HK
Hong Kong
Prior art keywords
bandwidth digital
extended bandwidth
doherty transmitter
digital doherty
transmitter
Prior art date
Application number
HK15112168.4A
Other languages
English (en)
Chinese (zh)
Inventor
．甘諾奇
．達拉吉
Original Assignee
Ghannouchi Adhel
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 Ghannouchi Adhel filed Critical Ghannouchi Adhel
Publication of HK1211391A1 publication Critical patent/HK1211391A1/xx

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
    • H03F1/02—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
    • H03F1/0288—Modifications 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
    • 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
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • 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
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • 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
    • H04B1/0483—Transmitters with multiple parallel paths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00—Baseband systems
    • 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
    • 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
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/0425—Circuits with power amplifiers with linearisation using predistortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2614—Peak power aspects
    • H04L27/2623—Reduction thereof by clipping

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
HK15112168.4A 2012-07-31 2015-12-09 Extended bandwidth digital doherty transmitter HK1211391A1 (en)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number Publication Date
HK1211391A1 true HK1211391A1 (en) 2016-05-20

Family

ID=50027020

Family Applications (1)

Application Number Title Priority Date Filing Date
HK15112168.4A HK1211391A1 (en) 2012-07-31 2015-12-09 Extended bandwidth digital doherty transmitter

Country Status (5)

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

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
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
WO2018197917A1 (fr) 2017-04-24 2018-11-01 Macom Technology Solutions Holdings, Inc. Amplificateur de puissance doherty inversé à grandes largeurs de bande fractionnaires rf et instantanées
US11050389B2 (en) 2017-04-24 2021-06-29 Macom Technology Solutions Holdings, Inc. Inverted Doherty power amplifier with large RF and instantaneous bandwidths
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 (fr) 2017-10-02 2020-08-12 MACOM Technology Solutions Holdings, Inc. Amplificateur de puissance à haut rendement sans modulation de charge
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
WO2019119436A1 (fr) * 2017-12-22 2019-06-27 华为技术有限公司 Circuit de traitement de signal, émetteur de signal radiofréquence et dispositif de communication
US11705869B2 (en) 2018-10-05 2023-07-18 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
US11888448B2 (en) 2019-12-30 2024-01-30 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
CN101675584B (zh) * 2007-03-30 2012-10-03 北电网络有限公司 放大器预失真系统和方法
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 (fr) * 2011-01-07 2012-07-11 Alcatel Lucent Amplificateur de Doherty

Also Published As

Publication number Publication date
CA2880734A1 (fr) 2014-02-06
WO2014019071A1 (fr) 2014-02-06
CN104704747B (zh) 2017-08-25
CN104704747A (zh) 2015-06-10
SE541265C2 (en) 2019-05-28
SE1550180A1 (sv) 2015-02-18

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20230726