DE602004027662D1 - Bruch-n-sigma-delta-modulator mit einem adaptiven des phasenregelkreises kompensiert, und verfahren dafür - Google Patents

Bruch-n-sigma-delta-modulator mit einem adaptiven des phasenregelkreises kompensiert, und verfahren dafür

Info

Publication number
DE602004027662D1
DE602004027662D1 DE602004027662T DE602004027662T DE602004027662D1 DE 602004027662 D1 DE602004027662 D1 DE 602004027662D1 DE 602004027662 T DE602004027662 T DE 602004027662T DE 602004027662 T DE602004027662 T DE 602004027662T DE 602004027662 D1 DE602004027662 D1 DE 602004027662D1
Authority
DE
Germany
Prior art keywords
fractional
locked loop
delta modulator
filter
compensated
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.)
Expired - Lifetime
Application number
DE602004027662T
Other languages
English (en)
Inventor
Daniel Yellin
Kobby Pick
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.)
Marvell World Trade Ltd
Original Assignee
Marvell World Trade 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 Marvell World Trade Ltd filed Critical Marvell World Trade Ltd
Publication of DE602004027662D1 publication Critical patent/DE602004027662D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
    • H03C3/0925—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop applying frequency modulation at the divider in the feedback loop
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/02—Details
    • H03C3/09—Modifications of modulator for regulating the mean frequency
    • H03C3/0908—Modifications of modulator for regulating the mean frequency using a phase locked loop
    • H03C3/0916—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop
    • H03C3/0933—Modifications of modulator for regulating the mean frequency using a phase locked loop with frequency divider or counter in the loop using fractional frequency division in the feedback loop of the phase locked loop
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
    • H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
    • H04L27/36—Modulator circuits; Transmitter circuits
    • H04L27/361—Modulation using a single or unspecified number of carriers, e.g. with separate stages of phase and amplitude modulation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F2200/00—Indexing scheme relating to amplifiers
    • H03F2200/331—Sigma delta modulation being used in an amplifying circuit
DE602004027662T 2003-12-15 2004-04-22 Bruch-n-sigma-delta-modulator mit einem adaptiven des phasenregelkreises kompensiert, und verfahren dafür Expired - Lifetime DE602004027662D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/734,117 US7912145B2 (en) 2003-12-15 2003-12-15 Filter for a modulator and methods thereof
PCT/US2004/010959 WO2005062563A1 (en) 2003-12-15 2004-04-22 Fractional-n sigma-delta modulator comprising an adaptive compensation filter that compensates for the undesired effects of the phase locked loop and methods thereof

Publications (1)

Publication Number Publication Date
DE602004027662D1 true DE602004027662D1 (de) 2010-07-22

Family

ID=34653301

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004027662T Expired - Lifetime DE602004027662D1 (de) 2003-12-15 2004-04-22 Bruch-n-sigma-delta-modulator mit einem adaptiven des phasenregelkreises kompensiert, und verfahren dafür

Country Status (7)

Country Link
US (1) US7912145B2 (de)
EP (1) EP1712049B1 (de)
AT (1) ATE471021T1 (de)
DE (1) DE602004027662D1 (de)
MY (1) MY143340A (de)
TW (1) TWI257205B (de)
WO (1) WO2005062563A1 (de)

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Also Published As

Publication number Publication date
WO2005062563A1 (en) 2005-07-07
TW200520405A (en) 2005-06-16
TWI257205B (en) 2006-06-21
US20050129142A1 (en) 2005-06-16
EP1712049A1 (de) 2006-10-18
EP1712049B1 (de) 2010-06-09
MY143340A (en) 2011-04-29
US7912145B2 (en) 2011-03-22
ATE471021T1 (de) 2010-06-15

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