GB2532573B - Power amplifier supporting dual-mode envelope tracking and average power tracking - Google Patents

Power amplifier supporting dual-mode envelope tracking and average power tracking Download PDF

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Publication number
GB2532573B
GB2532573B GB1516775.2A GB201516775A GB2532573B GB 2532573 B GB2532573 B GB 2532573B GB 201516775 A GB201516775 A GB 201516775A GB 2532573 B GB2532573 B GB 2532573B
Authority
GB
United Kingdom
Prior art keywords
tracking
supporting dual
power amplifier
mode envelope
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.)
Active
Application number
GB1516775.2A
Other versions
GB201516775D0 (en
GB2532573A (en
Inventor
Khesbak Sabah
G Balteanu Florinel
Bhupendra Modi Hardik
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.)
Skyworks Solutions Inc
Original Assignee
Skyworks Solutions Inc
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
Priority claimed from US14/824,679 external-priority patent/US9991856B2/en
Application filed by Skyworks Solutions Inc filed Critical Skyworks Solutions Inc
Priority to GB1904962.6A priority Critical patent/GB2574503B/en
Priority to GB1904960.0A priority patent/GB2574502B/en
Publication of GB201516775D0 publication Critical patent/GB201516775D0/en
Publication of GB2532573A publication Critical patent/GB2532573A/en
Application granted granted Critical
Publication of GB2532573B publication Critical patent/GB2532573B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H03F3/24—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages
    • H03F3/245—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers of transmitter output stages with semiconductor devices only
    • 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
    • H03F1/0277—Selecting one or more amplifiers from a plurality of amplifiers
    • 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
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • H03F1/0227—Continuous control by using a signal derived from the input signal using supply converters
    • 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
    • H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
    • H03F1/08—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements
    • H03F1/22—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively
    • H03F1/223—Modifications of amplifiers to reduce detrimental influences of internal impedances of amplifying elements by use of cascode coupling, i.e. earthed cathode or emitter stage followed by earthed grid or base stage respectively with MOSFET's
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/72—Gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/111—Indexing scheme relating to amplifiers the amplifier being a dual or triple band amplifier, e.g. 900 and 1800 MHz, e.g. switched or not switched, simultaneously or not
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/18—Indexing scheme relating to amplifiers the bias of the gate of a FET being controlled by a control signal
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/408—Indexing scheme relating to amplifiers the output amplifying stage of an amplifier comprising three power stages
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2203/00—Indexing scheme relating to amplifiers with only discharge tubes or only semiconductor devices as amplifying elements covered by H03F3/00
    • H03F2203/72—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal
    • H03F2203/7209—Indexing scheme relating to gated amplifiers, i.e. amplifiers which are rendered operative or inoperative by means of a control signal the gated amplifier being switched from a first band to a second band

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
GB1516775.2A 2014-09-25 2015-09-22 Power amplifier supporting dual-mode envelope tracking and average power tracking Active GB2532573B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB1904962.6A GB2574503B (en) 2014-09-25 2015-09-22 Power amplifier supporting dual-mode envelope tracking and average power tracking
GB1904960.0A GB2574502B (en) 2014-09-25 2015-09-22 Power amplifier supporting dual-mode envelope tracking and average power tracking

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201462055614P 2014-09-25 2014-09-25
US14/824,679 US9991856B2 (en) 2014-09-25 2015-08-12 Variable load power amplifier supporting dual-mode envelope tracking and average power tracking performance

Publications (3)

Publication Number Publication Date
GB201516775D0 GB201516775D0 (en) 2015-11-04
GB2532573A GB2532573A (en) 2016-05-25
GB2532573B true GB2532573B (en) 2020-10-28

Family

ID=54544628

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1516775.2A Active GB2532573B (en) 2014-09-25 2015-09-22 Power amplifier supporting dual-mode envelope tracking and average power tracking

Country Status (1)

Country Link
GB (1) GB2532573B (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050030094A1 (en) * 2003-08-05 2005-02-10 Motorola, Inc. Low power consumption adaptive power amplifier
US20100141337A1 (en) * 2008-12-10 2010-06-10 Qualcomm Incorporated Amplifier with programmable off voltage
US20110070848A1 (en) * 2009-09-21 2011-03-24 Broadcom Corporation Dynamic stability, gain, efficiency and impedance control in a linear/non-linear CMOS power amplifier
US20140266462A1 (en) * 2013-03-14 2014-09-18 Motorola Mobility Llc Low power consumption adaptive power amplifier

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050030094A1 (en) * 2003-08-05 2005-02-10 Motorola, Inc. Low power consumption adaptive power amplifier
US20100141337A1 (en) * 2008-12-10 2010-06-10 Qualcomm Incorporated Amplifier with programmable off voltage
US20110070848A1 (en) * 2009-09-21 2011-03-24 Broadcom Corporation Dynamic stability, gain, efficiency and impedance control in a linear/non-linear CMOS power amplifier
US20140266462A1 (en) * 2013-03-14 2014-09-18 Motorola Mobility Llc Low power consumption adaptive power amplifier

Also Published As

Publication number Publication date
GB201516775D0 (en) 2015-11-04
GB2532573A (en) 2016-05-25

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