KR20010051821A - 증폭된 신호를 생성하기 위한 시스템 및 방법 - Google Patents

증폭된 신호를 생성하기 위한 시스템 및 방법 Download PDF

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Publication number
KR20010051821A
KR20010051821A KR1020000068994A KR20000068994A KR20010051821A KR 20010051821 A KR20010051821 A KR 20010051821A KR 1020000068994 A KR1020000068994 A KR 1020000068994A KR 20000068994 A KR20000068994 A KR 20000068994A KR 20010051821 A KR20010051821 A KR 20010051821A
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KR
South Korea
Prior art keywords
signal
amplified
amplifier
threshold
power
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.)
Ceased
Application number
KR1020000068994A
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English (en)
Korean (ko)
Inventor
마젱시앙
폴래코스파울앤소니
Original Assignee
루센트 테크놀러지스 인크
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Application filed by 루센트 테크놀러지스 인크 filed Critical 루센트 테크놀러지스 인크
Publication of KR20010051821A publication Critical patent/KR20010051821A/ko
Ceased 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
    • H03F3/60—Amplifiers in which coupling networks have distributed constants, e.g. with waveguide resonators
    • H03F3/602—Combinations of several amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
KR1020000068994A 1999-11-19 2000-11-20 증폭된 신호를 생성하기 위한 시스템 및 방법 Ceased KR20010051821A (ko)

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
US9/444319 1999-11-19

Publications (1)

Publication Number Publication Date
KR20010051821A true KR20010051821A (ko) 2001-06-25

Family

ID=23764413

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020000068994A Ceased KR20010051821A (ko) 1999-11-19 2000-11-20 증폭된 신호를 생성하기 위한 시스템 및 방법

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=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101009778B1 (ko) * 2003-10-23 2011-01-19 삼성전자주식회사 높은 첨두전력 대 평균전력비를 가지는 전력증폭 장치 및 방법

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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

Family Cites Families (12)

* Cited by examiner, † Cited by third party
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101009778B1 (ko) * 2003-10-23 2011-01-19 삼성전자주식회사 높은 첨두전력 대 평균전력비를 가지는 전력증폭 장치 및 방법

Also Published As

Publication number Publication date
CA2324846A1 (en) 2001-05-19
US6624694B2 (en) 2003-09-23
EP1102393A2 (en) 2001-05-23
CA2324846C (en) 2003-03-18
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
CN1198385C (zh) 2005-04-20
JP2001189630A (ja) 2001-07-10
US20010035791A1 (en) 2001-11-01
US6292054B1 (en) 2001-09-18

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