BR9703140A - Linear power amplifier device and process to eliminate an intermodulation signal from it - Google Patents

Linear power amplifier device and process to eliminate an intermodulation signal from it

Info

Publication number
BR9703140A
BR9703140A BR9703140A BR9703140A BR9703140A BR 9703140 A BR9703140 A BR 9703140A BR 9703140 A BR9703140 A BR 9703140A BR 9703140 A BR9703140 A BR 9703140A BR 9703140 A BR9703140 A BR 9703140A
Authority
BR
Brazil
Prior art keywords
eliminate
power amplifier
amplifier device
linear power
intermodulation signal
Prior art date
Application number
BR9703140A
Other languages
Portuguese (pt)
Other versions
BR9703140B1 (en
Inventor
Soon-Chul Jeong
Seong-Hoon Lee
Seung-Won Chung
Young-Kon Lee
Hong-Kee Him
Ik-Soo Chang
Jong-Tae Park
Chul-Dong Kim
Young Kim
Original Assignee
Samsung Electronics Co Ltd
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 Electronics Co Ltd filed Critical Samsung Electronics Co Ltd
Publication of BR9703140A publication Critical patent/BR9703140A/en
Publication of BR9703140B1 publication Critical patent/BR9703140B1/en

Links

Classifications

    • 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
    • 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
    • H03F1/3223—Modifications of amplifiers to reduce non-linear distortion using feed-forward
    • H03F1/3229—Modifications of amplifiers to reduce non-linear distortion using feed-forward using a loop for error extraction and another loop for error subtraction
    • 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
    • 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
    • H03F1/3252—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using multiple parallel paths between input and output
    • 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
    • H03F1/3276—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using the nonlinearity inherent to components, e.g. a diode
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2201/00—Indexing scheme relating to details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements covered by H03F1/00
    • H03F2201/32—Indexing scheme relating to modifications of amplifiers to reduce non-linear distortion
    • H03F2201/3212—Using a control circuit to adjust amplitude and phase of a signal in a signal path
BRPI9703140-2A 1996-11-04 1997-05-13 linear power amplifier network and process for eliminating an intermodulation distortion signal from a linear power amplifier. BR9703140B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019960051910A KR100217416B1 (en) 1995-11-16 1996-11-04 Linear amplifier and method thereof

Publications (2)

Publication Number Publication Date
BR9703140A true BR9703140A (en) 1998-11-10
BR9703140B1 BR9703140B1 (en) 2011-04-05

Family

ID=19480758

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9703140-2A BR9703140B1 (en) 1996-11-04 1997-05-13 linear power amplifier network and process for eliminating an intermodulation distortion signal from a linear power amplifier.

Country Status (11)

Country Link
JP (1) JP3260295B2 (en)
KR (1) KR100217416B1 (en)
AU (1) AU698665B2 (en)
BR (1) BR9703140B1 (en)
DE (1) DE19720019B4 (en)
FI (1) FI116339B (en)
FR (1) FR2755551B1 (en)
GB (1) GB2318938B (en)
IN (1) IN192286B (en)
NL (1) NL1006031C2 (en)
SE (1) SE519812C2 (en)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6075411A (en) * 1997-12-22 2000-06-13 Telefonaktiebolaget Lm Ericsson Method and apparatus for wideband predistortion linearization
US6339701B1 (en) * 1998-06-17 2002-01-15 Lucent Technologies, Inc. Method and apparatus for extending the dynamic range of a frequency mixer
US6363120B1 (en) 1998-06-17 2002-03-26 Lucent Technologies Inc. Apparatus and method for extending the dynamic range of a mixer using feed forward distortion reduction
US6097324A (en) * 1998-06-17 2000-08-01 Lucent Technologies Inc. Method and apparatus for extending the spurious free dynamic range of an analog-to-digital converter
US6580320B1 (en) 1999-02-12 2003-06-17 Andrew Corporation Signal processing apparatus
JP2001053552A (en) * 1999-08-10 2001-02-23 Nec Corp Feed-forward amplifier circuit and method for compensating nonlinear distortion in the same
US6392480B1 (en) * 1999-08-19 2002-05-21 Lucent Technologies Inc. Alternating gain and phase control system and method
GB2353646A (en) * 1999-08-27 2001-02-28 Matsushita Electric Ind Co Ltd A multistage amplifier with multistage predistortion and a predistorter
GB2354126B (en) * 1999-09-13 2004-07-21 Wireless Systems Int Ltd Signal processing
GB2358748A (en) * 2000-01-31 2001-08-01 Wireless Systems Int Ltd An arrangement in a predistortion or feedforward linearizer for an amplifier in which I and Q components are adjusted to achieve a desired phase and amplitude
US6275106B1 (en) * 2000-02-25 2001-08-14 Spectrian Corporation Spectral distortion monitor for controlling pre-distortion and feed-forward linearization of rf power amplifier
WO2001099316A1 (en) 2000-06-16 2001-12-27 Fujitsu Limited Multi-carrier amplifier
US6496064B2 (en) * 2000-08-15 2002-12-17 Eugene Rzyski Intermodulation product cancellation circuit
US6545487B1 (en) * 2000-08-24 2003-04-08 Lucent Technologies Inc. System and method for producing an amplified signal with reduced distortion
US6674324B1 (en) * 2000-08-24 2004-01-06 Lucent Technologies Inc. System and method for producing an amplified signal using plurality of amplitudes across spectrum
JP3850649B2 (en) 2000-09-22 2006-11-29 株式会社日立国際電気 Distortion compensation amplifier
DE60135249D1 (en) * 2000-12-04 2008-09-18 Matsushita Electric Ind Co Ltd FORWARD COUPLING AMPLIFIER, COMMUNICATION DEVICE, FORWARD COUPLING PROCESS, PROGRAM AND MEDIUM
US7046972B2 (en) 2001-04-10 2006-05-16 Matsushita Electric Industrial Co., Ltd. Predistortion linearizer and predistortion distortion compensation method, program, and medium
KR100395502B1 (en) * 2001-08-08 2003-08-25 한국전자통신연구원 Adaptive Feedforward Linear Amplifier
JP3502087B2 (en) 2002-05-14 2004-03-02 松下電器産業株式会社 Hybrid distortion compensation method and hybrid distortion compensation device
GB2395077A (en) * 2002-11-01 2004-05-12 N & L Ltd An amplifier arrangement linearised by predistortion and feedforward; adaptive bias for improved efficiency; thermal overload protection
KR100766201B1 (en) 2005-11-09 2007-10-10 학교법인 포항공과대학교 Apparatus and method for measuring phase change of rf power amplifier
US10075137B2 (en) 2014-05-23 2018-09-11 Teko Telocom, S.r.l. Power amplification system for radiofrequency communications
CN106464616B (en) 2014-06-26 2019-10-22 华为技术有限公司 A kind of device and method that interference is eliminated
BR112016030000B1 (en) * 2014-06-26 2023-01-17 Huawei Technologies., Ltd INTERFERENCE CANCELLATION EQUIPMENT AND METHOD
KR102163050B1 (en) 2015-03-12 2020-10-08 삼성전기주식회사 Power amplifier and method for compensating phase in power amplifier
US11038474B2 (en) 2017-11-01 2021-06-15 Analog Devices Global Unlimited Company Phased array amplifier linearization
WO2020047747A1 (en) 2018-09-04 2020-03-12 北京小米移动软件有限公司 Cell handover method, device and readable storage medium
KR102080202B1 (en) 2019-08-23 2020-02-21 주식회사 패러다임 Power Amplifier

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1495264A (en) * 1975-02-19 1977-12-14 Plessey Co Ltd Amplifier arrangements
US4879519A (en) * 1988-10-31 1989-11-07 American Telephone And Telegraph Company, At&T Bell Labs Predistortion compensated linear amplifier
US4885551A (en) * 1988-10-31 1989-12-05 American Telephone And Telegraph Company At&T Bell Laboratories Feed forward linear amplifier
US4943783A (en) * 1989-07-31 1990-07-24 Nippon Telegraph And Telephone Corporation Feed forward distortion correction circuit
GB2238196A (en) * 1989-11-16 1991-05-22 Motorola Inc Feed forward amplifier with pre-distortion
US4987378A (en) * 1989-11-28 1991-01-22 General Electric Company Feedforward predistortion linearizer
US5023565A (en) * 1990-01-26 1991-06-11 At&T Bell Laboratories Linear amplifier with automatic adjustment of feed forward loop gain and phase
GB9009295D0 (en) * 1990-04-25 1990-06-20 Kenington Peter B Apparatus and method for reducing distortion in amplification
US5130663A (en) * 1991-04-15 1992-07-14 Motorola, Inc. Feed forward amplifier network with frequency swept pilot tone
US5570063A (en) * 1995-05-18 1996-10-29 Spectrian, Inc. RF power amplifier with signal predistortion for improved linearity

Also Published As

Publication number Publication date
DE19720019B4 (en) 2006-04-06
AU2014897A (en) 1998-05-07
KR970031238A (en) 1997-06-26
DE19720019A1 (en) 1998-05-14
FR2755551A1 (en) 1998-05-07
NL1006031C2 (en) 1999-06-17
JPH10190361A (en) 1998-07-21
NL1006031A1 (en) 1998-05-08
SE519812C2 (en) 2003-04-15
KR100217416B1 (en) 1999-09-01
GB2318938A (en) 1998-05-06
GB9709622D0 (en) 1997-07-02
FR2755551B1 (en) 2001-09-07
SE9701760L (en) 1998-05-05
FI972005A0 (en) 1997-05-12
GB2318938B (en) 1999-07-28
JP3260295B2 (en) 2002-02-25
SE9701760D0 (en) 1997-05-13
IN192286B (en) 2004-03-27
FI972005A (en) 1998-05-05
FI116339B (en) 2005-10-31
AU698665B2 (en) 1998-11-05
BR9703140B1 (en) 2011-04-05

Similar Documents

Publication Publication Date Title
BR9703140A (en) Linear power amplifier device and process to eliminate an intermodulation signal from it
BR9700775A (en) Power amplification circuit and process
FI982435A0 (en) Linear power amplifier arrangement and method for using it
DE69706064D1 (en) INTERMODULATION COMPENSATION IN MULTI-CHANNEL AMPLIFIERS
BR9602624A (en) Apparatus and process for amplifying signal
BR9605569A (en) Power amplifier having active polarization and process to amplify RF input signal
DE69827228D1 (en) Gain method and device with low intermodulation distortion
BR9706220A (en) Process and apparatus using a compensated multiple output signal source
BR9704099A (en) Disassembly method of electronic device and disassembly device
DE69705977D1 (en) Operational amplifier circuit
DE69703319T2 (en) SCREW METHOD AND DEVICE
DE69917212D1 (en) POWER AMPLIFIER DEVICE AND METHOD THEREFOR
GB2317044B (en) An optical amplifier and an optical amplification method
DE59607236D1 (en) BRAKE POWER AMPLIFIER AND ASSEMBLY METHOD THEREFOR
BR9704861A (en) Active duct suppressor circuit and process to correct the noise suppressor signal in it
EE200000267A (en) Method and scheme for sampling an analogue signal
IT1275418B (en) DC POLARIZER FOR HIGH RF POWER AND LOW INTERMODULATION
FI982775A0 (en) Improved method and circuitry for signal processing
DE69724552D1 (en) Power amplifier apparatus
DE69627043T2 (en) CLASS-D AMPLIFIER
DE69728370D1 (en) Analysis method based on signal amplification
DE29615598U1 (en) Press shield and ejector for baler
DE19709191B4 (en) Optical isolator and amplifier
IT1313366B1 (en) APPARATUS AND PROCEDURE TO ALIGN COMPONENTS
DE69725098D1 (en) Power amplifier device

Legal Events

Date Code Title Description
FB34 Technical and formal requirements: requirement - article 34 of industrial property law
B15K Others concerning applications: alteration of classification

Free format text: ALTERADA A CLASSIFICACAO DE H03F 1/26 PARA A INT.CL. 2007.01 H03F 1/26; H03F 1/32

Ipc: H03F 1/26 (2007.01), H03F 1/32 (2007.01)

B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B06A Notification to applicant to reply to the report for non-patentability or inadequacy of the application [chapter 6.1 patent gazette]
B07A Technical examination (opinion): publication of technical examination (opinion) [chapter 7.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 10 (DEZ) ANOS CONTADOS A PARTIR DE 05/04/2011, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 19A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)