DE60142985D1 - Linearisierter klasse-c-verstärker mit dynamischem vorstrom - Google Patents

Linearisierter klasse-c-verstärker mit dynamischem vorstrom

Info

Publication number
DE60142985D1
DE60142985D1 DE60142985T DE60142985T DE60142985D1 DE 60142985 D1 DE60142985 D1 DE 60142985D1 DE 60142985 T DE60142985 T DE 60142985T DE 60142985 T DE60142985 T DE 60142985T DE 60142985 D1 DE60142985 D1 DE 60142985D1
Authority
DE
Germany
Prior art keywords
amplifier
class
amplifying transistor
circuit
bias
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 - Lifetime
Application number
DE60142985T
Other languages
English (en)
Inventor
Tirdad Sowlati
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.)
NXP BV
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 DE60142985D1 publication Critical patent/DE60142985D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE60142985T 2000-12-18 2001-12-05 Linearisierter klasse-c-verstärker mit dynamischem vorstrom Expired - Lifetime DE60142985D1 (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
DE60142985D1 true DE60142985D1 (de) 2010-10-14

Family

ID=24972587

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60142985T Expired - Lifetime DE60142985D1 (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
CN1934784B (zh) * 2004-02-13 2010-05-12 加利福尼亚大学董事会 放大器的自适应偏置电流电路及该电流产生方法
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
EP1684418B1 (de) * 2005-01-25 2009-12-16 STMicroelectronics S.r.l. 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
EP4331109A1 (de) * 2021-04-26 2024-03-06 Milwaukee Electric Tool Corporation Elektrowerkzeug mit leitungswinkelsteuerung

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
KR100843065B1 (ko) 2008-07-01
US6556084B2 (en) 2003-04-29
WO2002050994A2 (en) 2002-06-27
KR20020079860A (ko) 2002-10-19
CN1221072C (zh) 2005-09-28
EP1344312B1 (de) 2010-09-01
JP2004516736A (ja) 2004-06-03
JP4168327B2 (ja) 2008-10-22
EP1344312A2 (de) 2003-09-17
US20020075076A1 (en) 2002-06-20
CN1444794A (zh) 2003-09-24
WO2002050994A3 (en) 2003-05-30
ATE480040T1 (de) 2010-09-15

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