GB201404708D0 - System and method for controlling a power amplifier - Google Patents

System and method for controlling a power amplifier

Info

Publication number
GB201404708D0
GB201404708D0 GBGB1404708.8A GB201404708A GB201404708D0 GB 201404708 D0 GB201404708 D0 GB 201404708D0 GB 201404708 A GB201404708 A GB 201404708A GB 201404708 D0 GB201404708 D0 GB 201404708D0
Authority
GB
United Kingdom
Prior art keywords
controlling
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Withdrawn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
GBGB1404708.8A
Other versions
GB2524243A (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.)
IP Access Ltd
Original Assignee
IP Access 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 IP Access Ltd filed Critical IP Access Ltd
Priority to GB1404708.8A priority Critical patent/GB2524243A/en
Publication of GB201404708D0 publication Critical patent/GB201404708D0/en
Publication of GB2524243A publication Critical patent/GB2524243A/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Withdrawn legal-status Critical Current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
    • H03F1/0216—Continuous control
    • H03F1/0222—Continuous control by using a signal derived from the input signal
    • 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
    • H03F1/0211—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
    • H03F1/0211—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
    • H03F1/025—Stepped control by using a signal derived from the input signal
    • 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
    • H03F3/195—High-frequency amplifiers, e.g. radio frequency amplifiers with semiconductor devices only in integrated circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only
    • 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
    • H03F2200/465—Power sensing

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Transmitters (AREA)
GB1404708.8A 2014-03-17 2014-03-17 System and method for controlling a power amplifier Withdrawn GB2524243A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1404708.8A GB2524243A (en) 2014-03-17 2014-03-17 System and method for controlling a power amplifier

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1404708.8A GB2524243A (en) 2014-03-17 2014-03-17 System and method for controlling a power amplifier

Publications (2)

Publication Number Publication Date
GB201404708D0 true GB201404708D0 (en) 2014-04-30
GB2524243A GB2524243A (en) 2015-09-23

Family

ID=50634879

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1404708.8A Withdrawn GB2524243A (en) 2014-03-17 2014-03-17 System and method for controlling a power amplifier

Country Status (1)

Country Link
GB (1) GB2524243A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110418400A (en) * 2018-04-30 2019-11-05 三星电子株式会社 Symbol power tracks amplification system and its operating method and symbol tracking modulator

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10686407B2 (en) 2018-04-30 2020-06-16 Samsung Electronics Co., Ltd. Symbol power tracking amplification system and a wireless communication device including the same
EP3565115A1 (en) * 2018-04-30 2019-11-06 Samsung Electronics Co., Ltd. Symbol power tracking amplification system and a wireless communication device including the same
US11687258B2 (en) 2021-09-08 2023-06-27 Hewlett Packard Enterprise Development Lp Operational feature activation/disabling

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9816820D0 (en) * 1998-08-04 1998-09-30 Koninkl Philips Electronics Nv Orthogonal signal transmitter
US8145251B2 (en) * 2006-01-23 2012-03-27 Motorola Mobility, Inc. Power control in schedulable wireless communication terminal
EP2226932B1 (en) * 2009-03-02 2013-10-16 Alcatel Lucent Method for amplifying a signal by a power amplifier, power amplifier system, device, computer program product, and digital storage medium thereof
KR101555718B1 (en) * 2010-02-11 2015-09-25 삼성전자주식회사 Method and apparatus for power saving in wireless communication node b
JP2012222623A (en) * 2011-04-08 2012-11-12 Toshiba Corp Power amplifier and amplification control method
US8880012B2 (en) * 2012-01-19 2014-11-04 Motorola Mobility Llc Method and apparatus for resource block based transmitter optimization in wireless communication devices
US8816768B2 (en) * 2012-04-12 2014-08-26 Mediatek Inc. Power module for envelope tracking

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110418400A (en) * 2018-04-30 2019-11-05 三星电子株式会社 Symbol power tracks amplification system and its operating method and symbol tracking modulator
CN110418400B (en) * 2018-04-30 2024-03-08 三星电子株式会社 Symbol power tracking amplification system, operation method thereof and symbol tracking modulator

Also Published As

Publication number Publication date
GB2524243A (en) 2015-09-23

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Legal Events

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