GB0720608D0 - Clockless analog bandpass delta sigma modulator - Google Patents

Clockless analog bandpass delta sigma modulator

Info

Publication number
GB0720608D0
GB0720608D0 GB0720608A GB0720608A GB0720608D0 GB 0720608 D0 GB0720608 D0 GB 0720608D0 GB 0720608 A GB0720608 A GB 0720608A GB 0720608 A GB0720608 A GB 0720608A GB 0720608 D0 GB0720608 D0 GB 0720608D0
Authority
GB
United Kingdom
Prior art keywords
clockless
sigma modulator
delta sigma
analog bandpass
bandpass delta
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Withdrawn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
GB0720608A
Other versions
GB2453939A (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.)
Ubidyne Inc
Original Assignee
Ubidyne 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
Application filed by Ubidyne Inc filed Critical Ubidyne Inc
Priority to GB0720608A priority Critical patent/GB2453939A/en
Publication of GB0720608D0 publication Critical patent/GB0720608D0/en
Priority to PCT/EP2008/064222 priority patent/WO2009053366A1/en
Publication of GB2453939A publication Critical patent/GB2453939A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/402—Arrangements specific to bandpass modulators
    • H03M3/404—Arrangements specific to bandpass modulators characterised by the type of bandpass filters used
    • H03M3/408—Arrangements specific to bandpass modulators characterised by the type of bandpass filters used by the use of an LC circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/06—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation
    • H04B14/062—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using differential modulation, e.g. delta modulation using delta modulation or one-bit differential modulation [1DPCM]
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/39—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators
    • H03M3/436—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type
    • H03M3/438—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path
    • H03M3/454—Structural details of delta-sigma modulators, e.g. incremental delta-sigma modulators characterised by the order of the loop filter, e.g. error feedback type the modulator having a higher order loop filter in the feedforward path with distributed feedback, i.e. with feedback paths from the quantiser output to more than one filter stage
GB0720608A 2007-10-22 2007-10-22 Clockless analogue band-pass delta-sigma modulator Withdrawn GB2453939A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0720608A GB2453939A (en) 2007-10-22 2007-10-22 Clockless analogue band-pass delta-sigma modulator
PCT/EP2008/064222 WO2009053366A1 (en) 2007-10-22 2008-10-21 Clockless analog bandpass delta sigma modulator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0720608A GB2453939A (en) 2007-10-22 2007-10-22 Clockless analogue band-pass delta-sigma modulator

Publications (2)

Publication Number Publication Date
GB0720608D0 true GB0720608D0 (en) 2007-11-28
GB2453939A GB2453939A (en) 2009-04-29

Family

ID=38814228

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0720608A Withdrawn GB2453939A (en) 2007-10-22 2007-10-22 Clockless analogue band-pass delta-sigma modulator

Country Status (2)

Country Link
GB (1) GB2453939A (en)
WO (1) WO2009053366A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2010311567B2 (en) 2009-10-26 2015-03-26 Chugai Seiyaku Kabushiki Kaisha Method for the production of a glycosylated immunoglobulin
US8970254B1 (en) 2014-03-03 2015-03-03 Qualcomm Incorporated Systems and methods for frequency detection

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5974089A (en) * 1997-07-22 1999-10-26 Tripath Technology, Inc. Method and apparatus for performance improvement by qualifying pulses in an oversampled noise-shaping signal processor
DE10331572B4 (en) * 2003-07-11 2005-06-09 Infineon Technologies Ag Sigma-delta converter arrangement
US7307564B1 (en) * 2004-10-25 2007-12-11 Hrl Laboratories, Llc Continuous-time delta-sigma modulators using distributed resonators
US7057541B1 (en) * 2004-11-29 2006-06-06 Hrl Laboratories, Llc Delta-sigma modulator using LC resonators
JP4116005B2 (en) * 2005-02-18 2008-07-09 シャープ株式会社 Delta-sigma modulator and switching amplifier circuit using the same
US7084799B1 (en) * 2005-05-09 2006-08-01 Sls International, Inc. Sigma-delta modulated amplifier

Also Published As

Publication number Publication date
WO2009053366A1 (en) 2009-04-30
GB2453939A (en) 2009-04-29

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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)