IL236267B - Passive feedback path for pre-distortion in power amplifiers - Google Patents

Passive feedback path for pre-distortion in power amplifiers

Info

Publication number
IL236267B
IL236267B IL23626714A IL23626714A IL236267B IL 236267 B IL236267 B IL 236267B IL 23626714 A IL23626714 A IL 23626714A IL 23626714 A IL23626714 A IL 23626714A IL 236267 B IL236267 B IL 236267B
Authority
IL
Israel
Prior art keywords
distortion
power amplifiers
feedback path
passive feedback
path pre
Prior art date
Application number
IL23626714A
Other languages
English (en)
Hebrew (he)
Other versions
IL236267A0 (en
Original Assignee
Qorvo Us Inc
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 Qorvo Us Inc filed Critical Qorvo Us Inc
Publication of IL236267A0 publication Critical patent/IL236267A0/en
Publication of IL236267B publication Critical patent/IL236267B/en

Links

Classifications

    • 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
    • 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
    • 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
    • H04B1/06Receivers
    • H04B1/16Circuits
    • H04B1/18Input circuits, e.g. for coupling to an antenna or a transmission line
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03FAMPLIFIERS
    • H03F2200/00Indexing scheme relating to amplifiers
    • H03F2200/411Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising two power 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
    • H04B2001/0408Circuits with power amplifiers

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)
  • Amplifiers (AREA)
  • Transmitters (AREA)
  • Transceivers (AREA)
IL23626714A 2014-01-13 2014-12-15 Passive feedback path for pre-distortion in power amplifiers IL236267B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US14/153,935 US9780740B2 (en) 2014-01-13 2014-01-13 Passive feedback path for pre-distortion in power amplifiers

Publications (2)

Publication Number Publication Date
IL236267A0 IL236267A0 (en) 2015-03-31
IL236267B true IL236267B (en) 2019-10-31

Family

ID=53491718

Family Applications (1)

Application Number Title Priority Date Filing Date
IL23626714A IL236267B (en) 2014-01-13 2014-12-15 Passive feedback path for pre-distortion in power amplifiers

Country Status (7)

Country Link
US (1) US9780740B2 (enExample)
JP (1) JP6496553B2 (enExample)
KR (1) KR102361113B1 (enExample)
CN (1) CN104779991B (enExample)
FR (1) FR3016490B1 (enExample)
IL (1) IL236267B (enExample)
TW (1) TWI647923B (enExample)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9838056B2 (en) * 2015-05-28 2017-12-05 Skyworks Solutions, Inc. Integrous signal combiner
US9813085B1 (en) * 2016-09-23 2017-11-07 Qualcomm Incorporated Closed loop digital pre-distortion
CN110800210A (zh) * 2017-06-30 2020-02-14 英特尔公司 用于相控阵列发射机的使用闭环反馈的无线架构和数字预失真(dpd)技术
US11405064B1 (en) * 2021-07-01 2022-08-02 Psemi Corporation Bypass path reuse as feedback path in frontend module

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4584541A (en) * 1984-12-28 1986-04-22 Rca Corporation Digital modulator with variations of phase and amplitude modulation
JP2001313532A (ja) * 2000-05-01 2001-11-09 Sony Corp 歪み補償装置
JP4033794B2 (ja) * 2003-03-24 2008-01-16 株式会社エヌ・ティ・ティ・ドコモ 高効率線形電力増幅器
JP2007124202A (ja) * 2005-10-27 2007-05-17 Kyocera Corp 高周波モジュールおよび無線通信装置
US8195103B2 (en) * 2006-02-15 2012-06-05 Texas Instruments Incorporated Linearization of a transmit amplifier
JP4922299B2 (ja) * 2006-06-14 2012-04-25 リサーチ イン モーション リミテッド スイッチャ調整パワーアンプモジュールに対する入力ドライブ制御
US8126036B2 (en) * 2008-06-21 2012-02-28 Vyycore Corporation Predistortion and post-distortion correction of both a receiver and transmitter during calibration
JP2011239229A (ja) * 2010-05-11 2011-11-24 Nippon Telegr & Teleph Corp <Ntt> 無線通信システムおよび無線通信方法
EP2428814A1 (en) * 2010-09-13 2012-03-14 France Telecom Object detection method, device and system
US8514918B2 (en) * 2010-09-24 2013-08-20 Intel Corporation Close-loop power transmission calibration
JP5679193B2 (ja) * 2011-04-22 2015-03-04 日本電信電話株式会社 送信機及び送受信機
US8699972B2 (en) * 2011-11-15 2014-04-15 Qualcomm Incorporated Transmit power calibration in a communication system

Also Published As

Publication number Publication date
TWI647923B (zh) 2019-01-11
US9780740B2 (en) 2017-10-03
CN104779991A (zh) 2015-07-15
JP6496553B2 (ja) 2019-04-03
KR102361113B1 (ko) 2022-02-11
KR20150084668A (ko) 2015-07-22
IL236267A0 (en) 2015-03-31
FR3016490A1 (fr) 2015-07-17
US20150200702A1 (en) 2015-07-16
JP2015133698A (ja) 2015-07-23
FR3016490B1 (fr) 2018-12-07
CN104779991B (zh) 2019-12-31
TW201547218A (zh) 2015-12-16

Similar Documents

Publication Publication Date Title
GB2561287B (en) Class D amplifier circuit
GB2557050B (en) Class-D Amplifier circuits
GB2535615B (en) Cascode switch for power amplifier
GB2540441B (en) Amplifiers
GB2566193B (en) Power stage with switched mode amplifier and linear amplifier
EP3361633A4 (en) Doherty power amplifier circuit
GB201518725D0 (en) Power plant
ZA201801883B (en) Distributed power amplifiers
ZA201807259B (en) Inverse class-f power amplifier
EP3236583A4 (en) Doherty amplifier
IL246758A0 (en) Lasers and amplifiers based on multi-pump-transmission fiber
PL2928075T3 (pl) Wzmacniacz klasy d
IL248633A0 (en) Transistor-based dynamic memory cell with feedback
EP3188363A4 (en) Power amplifier circuit and power amplifier
IL236267A0 (en) Passive feedback path for pre-distortion in power amplifiers
EP3197047A4 (en) Power amplifying device
GB2550752B (en) High-frequency power amplifier
GB2533994B (en) Power stage with switched mode amplifier and linear amplifier
EP3255791A4 (en) Power amplifying equipment
GB2522700B (en) Amplifier
GB201407401D0 (en) Green energy amplifier
HUP1500626A2 (en) Turbine with feedback
GB201518859D0 (en) High-efficiency amplifier
KR101518745B9 (ko) 생의학용 플라즈마 발생을 위한 증폭기 출력의 안정화 피드백 회로
GB201416766D0 (en) Power plant

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed