CA2324846C - System and method for producing an amplified signal - Google Patents

System and method for producing an amplified signal Download PDF

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Publication number
CA2324846C
CA2324846C CA002324846A CA2324846A CA2324846C CA 2324846 C CA2324846 C CA 2324846C CA 002324846 A CA002324846 A CA 002324846A CA 2324846 A CA2324846 A CA 2324846A CA 2324846 C CA2324846 C CA 2324846C
Authority
CA
Canada
Prior art keywords
signal
amplified
threshold
produce
amplifier
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.)
Expired - Fee Related
Application number
CA002324846A
Other languages
English (en)
French (fr)
Other versions
CA2324846A1 (en
Inventor
Zhengxiang Ma
Paul Anthony Polakos
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.)
Nokia of America Corp
Original Assignee
Lucent Technologies 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 Lucent Technologies Inc filed Critical Lucent Technologies Inc
Publication of CA2324846A1 publication Critical patent/CA2324846A1/en
Application granted granted Critical
Publication of CA2324846C publication Critical patent/CA2324846C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/211—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only using a combination of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/602—Combinations of several amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
CA002324846A 1999-11-19 2000-10-31 System and method for producing an amplified signal Expired - Fee Related CA2324846C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/444,319 US6292054B1 (en) 1999-11-19 1999-11-19 System and method for producing an amplified signal
US09/444,319 1999-11-19

Publications (2)

Publication Number Publication Date
CA2324846A1 CA2324846A1 (en) 2001-05-19
CA2324846C true CA2324846C (en) 2003-03-18

Family

ID=23764413

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002324846A Expired - Fee Related CA2324846C (en) 1999-11-19 2000-10-31 System and method for producing an amplified signal

Country Status (8)

Country Link
US (2) US6292054B1 (https=)
EP (1) EP1102393A3 (https=)
JP (1) JP2001189630A (https=)
KR (1) KR20010051821A (https=)
CN (1) CN1198385C (https=)
AU (1) AU769523B2 (https=)
BR (1) BR0005431A (https=)
CA (1) CA2324846C (https=)

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GB0020071D0 (en) * 2000-08-16 2000-10-04 Mitel Semiconductor Ltd Tuner
GB0110106D0 (en) * 2001-04-25 2001-06-20 Filtronic Plc Electrical signal preconditioning
US6891902B2 (en) * 2002-07-02 2005-05-10 Intel Corporation System and method for adjusting a power level of a transmission signal
FI115935B (fi) 2003-02-25 2005-08-15 Nokia Corp Menetelmä ja laite tehovahvistimen ominaisuuksien säätämiseksi
US7197086B2 (en) * 2003-05-29 2007-03-27 Lucent Technologies Inc. Wide-bandwidth, high-dynamic-range linear amplifier for a CDMA transmitter in a wireless base station
KR101009778B1 (ko) * 2003-10-23 2011-01-19 삼성전자주식회사 높은 첨두전력 대 평균전력비를 가지는 전력증폭 장치 및 방법
US7327803B2 (en) 2004-10-22 2008-02-05 Parkervision, Inc. Systems and methods for vector power amplification
US7355470B2 (en) 2006-04-24 2008-04-08 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including embodiments for amplifier class transitioning
US7148746B2 (en) * 2004-10-26 2006-12-12 Andrew Corporation High efficiency amplifier
US9106316B2 (en) 2005-10-24 2015-08-11 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification
US8013675B2 (en) 2007-06-19 2011-09-06 Parkervision, Inc. Combiner-less multiple input single output (MISO) amplification with blended control
US7911272B2 (en) 2007-06-19 2011-03-22 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including blended control embodiments
US7856105B2 (en) * 2006-03-09 2010-12-21 Andrew Llc Apparatus and method for processing of amplifier linearization signals
JP4646845B2 (ja) 2006-03-30 2011-03-09 富士通株式会社 送信機
US7937106B2 (en) 2006-04-24 2011-05-03 ParkerVision, Inc, Systems and methods of RF power transmission, modulation, and amplification, including architectural embodiments of same
US8031804B2 (en) 2006-04-24 2011-10-04 Parkervision, Inc. Systems and methods of RF tower transmission, modulation, and amplification, including embodiments for compensating for waveform distortion
US8315336B2 (en) 2007-05-18 2012-11-20 Parkervision, Inc. Systems and methods of RF power transmission, modulation, and amplification, including a switching stage embodiment
JP4653724B2 (ja) * 2006-11-30 2011-03-16 富士通株式会社 信号の帯域外電力を抑圧する送信機
US7620129B2 (en) 2007-01-16 2009-11-17 Parkervision, Inc. RF power transmission, modulation, and amplification, including embodiments for generating vector modulation control signals
WO2009005768A1 (en) 2007-06-28 2009-01-08 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
US8315578B2 (en) * 2008-07-15 2012-11-20 Research In Motion Limited Mobile wireless communications device with separate in-phase and quadrature power amplification
EP2695294A1 (en) 2011-04-08 2014-02-12 Parkervision, Inc. Systems and methods of rf power transmission, modulation, and amplification
KR20140034895A (ko) 2011-06-02 2014-03-20 파커비전, 인크. 안테나 제어
WO2015042142A1 (en) 2013-09-17 2015-03-26 Parkervision, Inc. Method, apparatus and system for rendering an information bearing function of time
WO2016086975A1 (en) * 2014-12-02 2016-06-09 Huawei Technologies Co.,Ltd An amplifying system for amplifying a communication signal
KR101952875B1 (ko) * 2017-08-24 2019-05-23 삼성전기주식회사 전력 증폭기 및 이를 포함하는 집적회로
JP6925561B2 (ja) * 2019-02-26 2021-08-25 三菱電機株式会社 方向性結合器及び半導体チップ
CN111654243B (zh) * 2019-03-04 2023-03-03 华为技术有限公司 功率放大装置、波束成形系统、发射机和基站

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Publication number Priority date Publication date Assignee Title
DE2701463A1 (de) * 1977-01-14 1978-07-20 Hoeglund Lennart H E Elektrischer verstaerker
US4283685A (en) * 1979-12-13 1981-08-11 Raytheon Company Waveguide-to-cylindrical array transition
US4748421A (en) * 1987-04-08 1988-05-31 Scs Telecom, Inc. Enhanced class SM power amplifier
US5101171A (en) * 1990-11-23 1992-03-31 Advanced Systems Research, Inc. Extended bandwidth RF amplifier
US5262958A (en) * 1991-04-05 1993-11-16 Texas Instruments Incorporated Spline-wavelet signal analyzers and methods for processing signals
US5278912A (en) * 1991-06-28 1994-01-11 Resound Corporation Multiband programmable compression system
FR2701796A1 (fr) * 1993-02-17 1994-08-26 Philips Electronics Nv Dispositif pour la transmission de signaux de télévision.
US5822370A (en) * 1996-04-16 1998-10-13 Aura Systems, Inc. Compression/decompression for preservation of high fidelity speech quality at low bandwidth
KR100266817B1 (ko) * 1997-01-31 2000-09-15 윤종용 피드포워드방식의선형증폭장치및방법
US6085074A (en) * 1997-02-28 2000-07-04 Motorola, Inc. Apparatus and method for amplifying an amplitude-varying signal
US5886573A (en) * 1998-03-06 1999-03-23 Fujant, Inc. Amplification using amplitude reconstruction of amplitude and/or angle modulated carrier
US6054894A (en) * 1998-06-19 2000-04-25 Datum Telegraphic Inc. Digital control of a linc linear power amplifier

Also Published As

Publication number Publication date
CA2324846A1 (en) 2001-05-19
US6624694B2 (en) 2003-09-23
EP1102393A2 (en) 2001-05-23
EP1102393A3 (en) 2004-06-30
AU769523B2 (en) 2004-01-29
CN1299186A (zh) 2001-06-13
BR0005431A (pt) 2001-08-07
AU7153600A (en) 2001-05-24
KR20010051821A (ko) 2001-06-25
CN1198385C (zh) 2005-04-20
JP2001189630A (ja) 2001-07-10
US20010035791A1 (en) 2001-11-01
US6292054B1 (en) 2001-09-18

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MKLA Lapsed

Effective date: 20171031