FI20065457A0 - Tehovahvistimen kytkentätoimisen tehonsyötön kontrollointi - Google Patents

Tehovahvistimen kytkentätoimisen tehonsyötön kontrollointi

Info

Publication number
FI20065457A0
FI20065457A0 FI20065457A FI20065457A FI20065457A0 FI 20065457 A0 FI20065457 A0 FI 20065457A0 FI 20065457 A FI20065457 A FI 20065457A FI 20065457 A FI20065457 A FI 20065457A FI 20065457 A0 FI20065457 A0 FI 20065457A0
Authority
FI
Finland
Prior art keywords
supply control
power supply
amplifier switching
power amplifier
switching power
Prior art date
Application number
FI20065457A
Other languages
English (en)
Swedish (sv)
Inventor
Sami Haapoja
Vlad Grigore
Seppo Kangasmaa
Original Assignee
Nokia Corp
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 Nokia Corp filed Critical Nokia Corp
Priority to FI20065457A priority Critical patent/FI20065457A0/fi
Publication of FI20065457A0 publication Critical patent/FI20065457A0/fi
Priority to US11/517,269 priority patent/US20080003950A1/en
Priority to PCT/FI2007/050401 priority patent/WO2008000916A1/en
Priority to EP07788776A priority patent/EP2041865A4/en
Priority to CNA2007800245473A priority patent/CN101479933A/zh

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/44—Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
    • 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
    • H03F1/0233—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply
    • H03F1/0238—Continuous control by using a signal derived from the output signal, e.g. bootstrapping the voltage supply using supply converters
    • 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
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H04B1/04—Circuits
    • H04B1/0475—Circuits with means for limiting noise, interference or distortion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/525—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa with means for reducing leakage of transmitter signal into the receiver
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B15/00—Suppression or limitation of noise or interference
    • H04B15/005—Reducing noise, e.g. humm, from the supply
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/504—Indexing scheme relating to amplifiers the supply voltage or current being continuously controlled by a controlling signal, e.g. the controlling signal of a transistor implemented as variable resistor in a supply path for, an IC-block showed amplifier
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2215/00—Reducing interference at the transmission system level
    • H04B2215/064—Reduction of clock or synthesizer reference frequency harmonics
    • H04B2215/065—Reduction of clock or synthesizer reference frequency harmonics by changing the frequency of clock or reference frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
FI20065457A 2006-06-30 2006-06-30 Tehovahvistimen kytkentätoimisen tehonsyötön kontrollointi FI20065457A0 (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20065457A FI20065457A0 (fi) 2006-06-30 2006-06-30 Tehovahvistimen kytkentätoimisen tehonsyötön kontrollointi
US11/517,269 US20080003950A1 (en) 2006-06-30 2006-09-08 Controlling switching mode power supply of power amplifier
PCT/FI2007/050401 WO2008000916A1 (en) 2006-06-30 2007-06-28 Controlling switching mode power supply of power amplifier
EP07788776A EP2041865A4 (en) 2006-06-30 2007-06-28 CONTROL OF THE SWITCHING POWER UNIT OF A POWER AMPLIFIER
CNA2007800245473A CN101479933A (zh) 2006-06-30 2007-06-28 控制功率放大器的开关式电源

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20065457A FI20065457A0 (fi) 2006-06-30 2006-06-30 Tehovahvistimen kytkentätoimisen tehonsyötön kontrollointi

Publications (1)

Publication Number Publication Date
FI20065457A0 true FI20065457A0 (fi) 2006-06-30

Family

ID=36651552

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20065457A FI20065457A0 (fi) 2006-06-30 2006-06-30 Tehovahvistimen kytkentätoimisen tehonsyötön kontrollointi

Country Status (5)

Country Link
US (1) US20080003950A1 (fi)
EP (1) EP2041865A4 (fi)
CN (1) CN101479933A (fi)
FI (1) FI20065457A0 (fi)
WO (1) WO2008000916A1 (fi)

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Also Published As

Publication number Publication date
US20080003950A1 (en) 2008-01-03
CN101479933A (zh) 2009-07-08
WO2008000916A1 (en) 2008-01-03
EP2041865A1 (en) 2009-04-01
EP2041865A4 (en) 2009-09-02

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