GB0220732D0 - Power amplifier - Google Patents

Power amplifier

Info

Publication number
GB0220732D0
GB0220732D0 GB0220732A GB0220732A GB0220732D0 GB 0220732 D0 GB0220732 D0 GB 0220732D0 GB 0220732 A GB0220732 A GB 0220732A GB 0220732 A GB0220732 A GB 0220732A GB 0220732 D0 GB0220732 D0 GB 0220732D0
Authority
GB
United Kingdom
Prior art keywords
power amplifier
amplifier
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.)
Withdrawn
Application number
GB0220732A
Other versions
GB2393866A (en
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.)
Filtronic PLC
Original Assignee
Filtronic PLC
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 Filtronic PLC filed Critical Filtronic PLC
Priority to GB0220732A priority Critical patent/GB2393866A/en
Publication of GB0220732D0 publication Critical patent/GB0220732D0/en
Priority to AU2003263320A priority patent/AU2003263320A1/en
Priority to PCT/GB2003/003875 priority patent/WO2004023646A1/en
Publication of GB2393866A publication Critical patent/GB2393866A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H03F1/0288—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers using a main and one or several auxiliary peaking amplifiers whereby the load is connected to the main amplifier using an impedance inverter, e.g. Doherty amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB0220732A 2002-09-06 2002-09-06 A class F Doherty amplifier using PHEMTs Withdrawn GB2393866A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0220732A GB2393866A (en) 2002-09-06 2002-09-06 A class F Doherty amplifier using PHEMTs
AU2003263320A AU2003263320A1 (en) 2002-09-06 2003-09-05 Class-f doherty amplifier
PCT/GB2003/003875 WO2004023646A1 (en) 2002-09-06 2003-09-05 Class-f doherty amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0220732A GB2393866A (en) 2002-09-06 2002-09-06 A class F Doherty amplifier using PHEMTs

Publications (2)

Publication Number Publication Date
GB0220732D0 true GB0220732D0 (en) 2002-10-16
GB2393866A GB2393866A (en) 2004-04-07

Family

ID=9943608

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0220732A Withdrawn GB2393866A (en) 2002-09-06 2002-09-06 A class F Doherty amplifier using PHEMTs

Country Status (3)

Country Link
AU (1) AU2003263320A1 (en)
GB (1) GB2393866A (en)
WO (1) WO2004023646A1 (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7193473B2 (en) * 2005-03-24 2007-03-20 Cree, Inc. High power Doherty amplifier using multi-stage modules
EP1886404A2 (en) * 2005-05-20 2008-02-13 Nxp B.V. Integrated doherty type amplifier arrangement with high power efficiency
US7362170B2 (en) 2005-12-01 2008-04-22 Andrew Corporation High gain, high efficiency power amplifier
KR100814415B1 (en) * 2007-02-14 2008-03-18 포항공과대학교 산학협력단 Highly efficient doherty amplifier using a harmonic control circuit
JP5085179B2 (en) 2007-04-12 2012-11-28 株式会社東芝 Class F amplifier circuit
EP2323253A1 (en) * 2009-10-26 2011-05-18 Alcatel Lucent Doherty power amplifiers
CN102158186A (en) * 2011-04-29 2011-08-17 中兴通讯股份有限公司 Power amplifier tube and power amplifying method
CN102185564A (en) * 2011-04-29 2011-09-14 中兴通讯股份有限公司 Power amplifier and power amplifier circuit
US20140132343A1 (en) * 2011-06-20 2014-05-15 Telefonaktiebolaget L M Ericsson (Publ) Power amplifier based on doherty power amplifier
CN103414437B (en) * 2013-08-30 2016-04-06 电子科技大学 Based on GaN high electron mobility transistor AB/ against F class multi-mode power amplifier
EP2879291A1 (en) * 2013-11-28 2015-06-03 Nokia Solutions and Networks Oy Broadband RF power amplifier with active load modulation
CN105450185A (en) * 2015-12-15 2016-03-30 杭州电子科技大学 Reconfigurable high-efficiency high-linearity broadband power amplifying method and amplifier
CN110365301A (en) * 2019-06-06 2019-10-22 宁波大学 A kind of inverse E class radio-frequency power amplifier suitable for 5G

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5568086A (en) * 1995-05-25 1996-10-22 Motorola, Inc. Linear power amplifier for high efficiency multi-carrier performance
AT405002B (en) * 1995-08-01 1999-04-26 Werner Dipl Ing Dr Pritzl DEVICE FOR AMPLIFYING HIGH-PERFORMANCE SIGNALS IN THE HIGH-FREQUENCY AND MICROWAVE RANGE
US5739723A (en) * 1995-12-04 1998-04-14 Motorola, Inc. Linear power amplifier using active bias for high efficiency and method thereof
US5786727A (en) * 1996-10-15 1998-07-28 Motorola, Inc. Multi-stage high efficiency linear power amplifier and method therefor
US5880633A (en) * 1997-05-08 1999-03-09 Motorola, Inc. High efficiency power amplifier
SE516847C2 (en) * 2000-07-07 2002-03-12 Ericsson Telefon Ab L M Composite amplifier and transmitter including such amplifier
US6577199B2 (en) * 2000-12-07 2003-06-10 Ericsson, Inc. Harmonic matching network for a saturated amplifier
US6472934B1 (en) * 2000-12-29 2002-10-29 Ericsson Inc. Triple class E Doherty amplifier topology for high efficiency signal transmitters
US6396341B1 (en) * 2000-12-29 2002-05-28 Ericsson Inc. Class E Doherty amplifier topology for high efficiency signal transmitters

Also Published As

Publication number Publication date
AU2003263320A1 (en) 2004-03-29
GB2393866A (en) 2004-04-07
WO2004023646A1 (en) 2004-03-18

Similar Documents

Publication Publication Date Title
AU2003215854A8 (en) Power amplifier
AU2003250379A1 (en) Improved power amplifier configuration
AU2002367231A8 (en) Power amplifier
AU2003212566A1 (en) Power amplifier device
AU2003294886A8 (en) Current sense amplifier
AU2003295737A8 (en) Direct coupled distributed amplifier
AU2003277573A1 (en) Power amplifying apparatus
GB2408644B (en) Amplifier
AU2003248648A8 (en) Power assembly for ornicopter
GB0121390D0 (en) Power amplifier
AU2003271867A8 (en) Raman amplifier
GB0220732D0 (en) Power amplifier
GB2397450B (en) High efficiency power amplifier
GB0220800D0 (en) Power amplifier system
AU2003232997A8 (en) Rf power amplifier
AU2003267923A1 (en) Power amplifier efficiency
GB2418550B (en) Power amplifying apparatus
GB0225459D0 (en) Amplifier assembly
GB2389724B (en) Amplification circuitry
GB0423891D0 (en) Power amplifier
GB0218920D0 (en) Power amplifier
GB0213153D0 (en) Power amplifier
GB0204908D0 (en) Power amplifiers
GB2382480B (en) Power amplifier arrangements
GB0221573D0 (en) Power factor precompensator

Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)