GB201108969D0 - Envelope path processing for envelope tracking amplification stage - Google Patents

Envelope path processing for envelope tracking amplification stage

Info

Publication number
GB201108969D0
GB201108969D0 GBGB1108969.5A GB201108969A GB201108969D0 GB 201108969 D0 GB201108969 D0 GB 201108969D0 GB 201108969 A GB201108969 A GB 201108969A GB 201108969 D0 GB201108969 D0 GB 201108969D0
Authority
GB
United Kingdom
Prior art keywords
envelope
amplification stage
path processing
tracking amplification
envelope tracking
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Withdrawn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
GBGB1108969.5A
Other versions
GB2491186A (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.)
Nujira Ltd
Original Assignee
Nujira Ltd
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 Nujira Ltd filed Critical Nujira Ltd
Priority to GB201108969A priority Critical patent/GB2491186A/en
Publication of GB201108969D0 publication Critical patent/GB201108969D0/en
Priority to PCT/EP2012/059936 priority patent/WO2012163875A1/en
Publication of GB2491186A publication Critical patent/GB2491186A/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Withdrawn legal-status Critical Current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
    • H03F1/0211—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 supply voltage or current
    • H03F1/0244—Stepped control
    • 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
    • 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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/102—A non-specified detector of a signal envelope being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/321—Use of a microprocessor in an amplifier circuit or its control circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/351—Pulse width modulation being used in an amplifying circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/451—Indexing scheme relating to amplifiers the amplifier being a radio frequency amplifier
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/511—Many discrete supply voltages or currents or voltage levels can be chosen by a control signal in an IC-block amplifier circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB201108969A 2011-05-27 2011-05-27 A combined analogue and digital interface for the envelope path of an envelope-tracking amplifier Withdrawn GB2491186A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB201108969A GB2491186A (en) 2011-05-27 2011-05-27 A combined analogue and digital interface for the envelope path of an envelope-tracking amplifier
PCT/EP2012/059936 WO2012163875A1 (en) 2011-05-27 2012-05-28 Envelope path processing for envelope tracking amplification stage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB201108969A GB2491186A (en) 2011-05-27 2011-05-27 A combined analogue and digital interface for the envelope path of an envelope-tracking amplifier

Publications (2)

Publication Number Publication Date
GB201108969D0 true GB201108969D0 (en) 2011-07-13
GB2491186A GB2491186A (en) 2012-11-28

Family

ID=44310523

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201108969A Withdrawn GB2491186A (en) 2011-05-27 2011-05-27 A combined analogue and digital interface for the envelope path of an envelope-tracking amplifier

Country Status (2)

Country Link
GB (1) GB2491186A (en)
WO (1) WO2012163875A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2510395A (en) * 2013-02-01 2014-08-06 Nujira Ltd Voltage supply stage for an envelope tracking modulated power supply

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6788151B2 (en) * 2002-02-06 2004-09-07 Lucent Technologies Inc. Variable output power supply
GB2398648B (en) * 2003-02-19 2005-11-09 Nujira Ltd Power supply stage for an amplifier
US7043213B2 (en) * 2003-06-24 2006-05-09 Northrop Grumman Corporation Multi-mode amplifier system
US20060199553A1 (en) * 2005-03-07 2006-09-07 Andrew Corporation Integrated transceiver with envelope tracking
US8301088B2 (en) * 2007-10-26 2012-10-30 Panasonic Corporation Polar modulation transmitter with envelope modulator path switching
US8014735B2 (en) * 2007-11-06 2011-09-06 Quantance, Inc. RF power amplifier controlled by estimated distortion level of output signal of power amplifier

Also Published As

Publication number Publication date
GB2491186A (en) 2012-11-28
WO2012163875A1 (en) 2012-12-06

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20160519 AND 20160525

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