ATE480040T1 - Linearisierter klasse-c-verstärker mit dynamischem vorstrom - Google Patents

Linearisierter klasse-c-verstärker mit dynamischem vorstrom

Info

Publication number
ATE480040T1
ATE480040T1 AT01271690T AT01271690T ATE480040T1 AT E480040 T1 ATE480040 T1 AT E480040T1 AT 01271690 T AT01271690 T AT 01271690T AT 01271690 T AT01271690 T AT 01271690T AT E480040 T1 ATE480040 T1 AT E480040T1
Authority
AT
Austria
Prior art keywords
amplifier
class
dynamic
amplifying transistor
precurrent
Prior art date
Application number
AT01271690T
Other languages
English (en)
Inventor
Tirdad Sowlati
Original Assignee
Nxp Bv
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 Nxp Bv filed Critical Nxp Bv
Application granted granted Critical
Publication of ATE480040T1 publication Critical patent/ATE480040T1/de

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
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/189—High frequency amplifiers, e.g. radio frequency amplifiers
    • H03F3/19—High frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only
    • H03F3/193—High frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only with field-effect devices
    • 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
    • H03F1/0261—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers with control of the polarisation voltage or current, e.g. gliding Class A
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
AT01271690T 2000-12-18 2001-12-05 Linearisierter klasse-c-verstärker mit dynamischem vorstrom ATE480040T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/739,500 US6556084B2 (en) 2000-12-18 2000-12-18 Linearized class C amplifier with dynamic biasing
PCT/IB2001/002304 WO2002050994A2 (en) 2000-12-18 2001-12-05 Linearized class c amplifier with dynamic biasing

Publications (1)

Publication Number Publication Date
ATE480040T1 true ATE480040T1 (de) 2010-09-15

Family

ID=24972587

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01271690T ATE480040T1 (de) 2000-12-18 2001-12-05 Linearisierter klasse-c-verstärker mit dynamischem vorstrom

Country Status (8)

Country Link
US (1) US6556084B2 (de)
EP (1) EP1344312B1 (de)
JP (1) JP4168327B2 (de)
KR (1) KR100843065B1 (de)
CN (1) CN1221072C (de)
AT (1) ATE480040T1 (de)
DE (1) DE60142985D1 (de)
WO (1) WO2002050994A2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6531924B2 (en) * 2001-04-18 2003-03-11 Qualcomm Incorporated Bias method and circuit for distortion reduction
US7049882B2 (en) * 2004-02-03 2006-05-23 Broadcom Corporation Transmitter IF section and method enabling IF output signal amplitude that is less sensitive to process, voltage, and temperature
JP5079336B2 (ja) * 2004-02-13 2012-11-21 ザ リージェンツ オブ ザ ユニバーシティ オブ カリフォルニア 増幅器用の適応型バイアス電流回路及び方法
US6975172B2 (en) * 2004-05-03 2005-12-13 Peavey Electronics Corporation Smart voltage rail reduction audio amplifier
US7518447B1 (en) * 2005-01-18 2009-04-14 Marvell International Ltd. Transimpedance amplifier
DE602005018319D1 (de) * 2005-01-25 2010-01-28 St Microelectronics Srl Differenziell nach Unipolar Umsetzer
JP4767630B2 (ja) * 2005-08-30 2011-09-07 京セラ株式会社 送信装置及び送信方法
TWI332749B (en) * 2006-08-14 2010-11-01 Realtek Semiconductor Corp Power amplifier circuit having a bias signal inputted into an input terminal and method thereof
US7994840B2 (en) * 2008-05-19 2011-08-09 Maxim Integrated Products, Inc. RMS detector with automatic gain control
US20090295485A1 (en) * 2008-05-27 2009-12-03 Motorola, Inc. Dynamically biasing class ab power amplifiers over a range of output power levels
US7944293B2 (en) * 2008-12-11 2011-05-17 Samsung Electro-Mechanics Company, Ltd. Systems and methods for an adaptive bias circuit for a differential power amplifier
US9001948B2 (en) * 2010-12-23 2015-04-07 Texas Instruments Incorporated Pulse shaping in a communication system
JP5184665B2 (ja) * 2011-02-22 2013-04-17 京セラ株式会社 送信装置及び送信方法
KR101300324B1 (ko) * 2011-11-22 2013-08-28 삼성전기주식회사 전력 증폭기
US8803612B1 (en) 2012-07-26 2014-08-12 Scientific Components Corporation Low-noise amplifier with high linearity
TWI509979B (zh) * 2013-01-04 2015-11-21 Advanced Semiconductor Eng 電子系統、射頻功率放大器及其偏壓點動態調整方法
WO2022231973A1 (en) * 2021-04-26 2022-11-03 Milwaukee Electric Tool Corporation Power tool including conduction angle control

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4377788A (en) * 1981-01-29 1983-03-22 Rca Corporation Signal expander
US4924191A (en) * 1989-04-18 1990-05-08 Erbtec Engineering, Inc. Amplifier having digital bias control apparatus
NL8901823A (nl) * 1989-07-14 1991-02-01 Philips Nv Versterkerschakeling.
JP2611562B2 (ja) * 1991-03-13 1997-05-21 ヤマハ株式会社 リモコン信号中継装置のレベルスライス回路
US5229721A (en) * 1992-04-06 1993-07-20 Plantronics, Inc. Micropower amplifier/transducer driver with signal expansion
JP3158776B2 (ja) * 1993-04-28 2001-04-23 ソニー株式会社 通信機
US6025754A (en) * 1997-11-03 2000-02-15 Harris Corporation Envelope modulated amplifier bias control and method
US6130579A (en) * 1999-03-29 2000-10-10 Rf Micro Devices, Inc. Feed-forward biasing for RF amplifiers

Also Published As

Publication number Publication date
CN1444794A (zh) 2003-09-24
WO2002050994A3 (en) 2003-05-30
JP4168327B2 (ja) 2008-10-22
US20020075076A1 (en) 2002-06-20
CN1221072C (zh) 2005-09-28
WO2002050994A2 (en) 2002-06-27
KR100843065B1 (ko) 2008-07-01
EP1344312B1 (de) 2010-09-01
US6556084B2 (en) 2003-04-29
KR20020079860A (ko) 2002-10-19
DE60142985D1 (de) 2010-10-14
EP1344312A2 (de) 2003-09-17
JP2004516736A (ja) 2004-06-03

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Legal Events

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