HK1110707A1 - System and method for current-mode amplitude modulation - Google Patents

System and method for current-mode amplitude modulation

Info

Publication number
HK1110707A1
HK1110707A1 HK08101212.2A HK08101212A HK1110707A1 HK 1110707 A1 HK1110707 A1 HK 1110707A1 HK 08101212 A HK08101212 A HK 08101212A HK 1110707 A1 HK1110707 A1 HK 1110707A1
Authority
HK
Hong Kong
Prior art keywords
current
amplitude modulation
mode amplitude
mode
modulation
Prior art date
Application number
HK08101212.2A
Other languages
English (en)
Inventor
David R Pehlke
Aristotele Hadjichristos
Original Assignee
Ericsson 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=35241072&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=HK1110707(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ericsson Inc filed Critical Ericsson Inc
Publication of HK1110707A1 publication Critical patent/HK1110707A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/02—Details
    • H03C1/06—Modifications of modulator to reduce distortion, e.g. by feedback, and clearly applicable to more than one type of modulator
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
    • 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
    • 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
    • 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
    • H03F1/32—Modifications of amplifiers to reduce non-linear distortion
    • 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
    • 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
    • H04B1/0483—Transmitters with multiple parallel paths
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/324—An amplitude modulator or demodulator being used in the amplifier circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/456—A scaled replica of a transistor being present in an amplifier
    • 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
    • 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
    • H04B2001/0408—Circuits with power amplifiers
    • H04B2001/045—Circuits with power amplifiers with means for improving efficiency
    • 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
    • H04B2001/0491—Circuits with frequency synthesizers, frequency converters or modulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Amplifiers (AREA)
  • Amplitude Modulation (AREA)
  • Transmitters (AREA)
HK08101212.2A 2004-07-12 2008-01-31 System and method for current-mode amplitude modulation HK1110707A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/889,567 US7333778B2 (en) 2001-03-21 2004-07-12 System and method for current-mode amplitude modulation
PCT/US2005/024406 WO2006017202A1 (en) 2004-07-12 2005-07-11 System and method for current-mode amplitude modulation

Publications (1)

Publication Number Publication Date
HK1110707A1 true HK1110707A1 (en) 2008-07-18

Family

ID=35241072

Family Applications (1)

Application Number Title Priority Date Filing Date
HK08101212.2A HK1110707A1 (en) 2004-07-12 2008-01-31 System and method for current-mode amplitude modulation

Country Status (12)

Country Link
US (1) US7333778B2 (ko)
EP (1) EP1776753B1 (ko)
JP (1) JP4646981B2 (ko)
KR (1) KR101124914B1 (ko)
CN (1) CN101015119B (ko)
AU (1) AU2005271920A1 (ko)
BR (1) BRPI0513270A (ko)
CA (1) CA2573862C (ko)
DK (1) DK1776753T3 (ko)
ES (1) ES2425038T3 (ko)
HK (1) HK1110707A1 (ko)
WO (1) WO2006017202A1 (ko)

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Also Published As

Publication number Publication date
EP1776753B1 (en) 2013-05-15
AU2005271920A1 (en) 2006-02-16
KR20070050917A (ko) 2007-05-16
JP2008506337A (ja) 2008-02-28
ES2425038T3 (es) 2013-10-11
CN101015119A (zh) 2007-08-08
EP1776753A1 (en) 2007-04-25
CA2573862C (en) 2014-09-09
WO2006017202A1 (en) 2006-02-16
DK1776753T3 (da) 2013-07-08
CA2573862A1 (en) 2006-02-16
JP4646981B2 (ja) 2011-03-09
KR101124914B1 (ko) 2012-03-28
US7333778B2 (en) 2008-02-19
CN101015119B (zh) 2012-03-28
US20050032488A1 (en) 2005-02-10
BRPI0513270A (pt) 2008-05-06

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