HK1036530A1 - D.C. offset correction in digital-to-analog converters comparing input signals with output signals thereof. - Google Patents

D.C. offset correction in digital-to-analog converters comparing input signals with output signals thereof.

Info

Publication number
HK1036530A1
HK1036530A1 HK01107246A HK01107246A HK1036530A1 HK 1036530 A1 HK1036530 A1 HK 1036530A1 HK 01107246 A HK01107246 A HK 01107246A HK 01107246 A HK01107246 A HK 01107246A HK 1036530 A1 HK1036530 A1 HK 1036530A1
Authority
HK
Hong Kong
Prior art keywords
signals
digital
analog
offset
transmission signals
Prior art date
Application number
HK01107246A
Other languages
English (en)
Inventor
Brett Christopher Walker
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of HK1036530A1 publication Critical patent/HK1036530A1/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C3/00—Angle modulation
    • H03C3/38—Angle modulation by converting amplitude modulation to angle modulation
    • H03C3/40—Angle modulation by converting amplitude modulation to angle modulation using two signal paths the outputs of which have a predetermined phase difference and at least one output being amplitude-modulated
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0602—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic
    • H03M1/0604—Continuously compensating for, or preventing, undesired influence of physical parameters of deviations from the desired transfer characteristic at one point, i.e. by adjusting a single reference value, e.g. bias or gain error
    • H03M1/0607—Offset or drift compensation
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/0617—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence
    • H03M1/0675—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy
    • H03M1/0678—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy using additional components or elements, e.g. dummy components
    • H03M1/068—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy using additional components or elements, e.g. dummy components the original and additional components or elements being complementary to each other, e.g. CMOS
    • H03M1/0682—Continuously compensating for, or preventing, undesired influence of physical parameters characterised by the use of methods or means not specific to a particular type of detrimental influence using redundancy using additional components or elements, e.g. dummy components the original and additional components or elements being complementary to each other, e.g. CMOS using a differential network structure, i.e. symmetrical with respect to ground
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Digital Transmission Methods That Use Modulated Carrier Waves (AREA)
  • Dc Digital Transmission (AREA)
  • Automatic Disk Changers (AREA)
HK01107246A 1998-06-30 2001-10-17 D.C. offset correction in digital-to-analog converters comparing input signals with output signals thereof. HK1036530A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/107,054 US6154158A (en) 1998-06-30 1998-06-30 Digital-to-analog converter D.C. offset correction comparing converter input and output signals
PCT/US1999/014656 WO2000001073A1 (en) 1998-06-30 1999-06-29 Method and apparatus for d.c. offset correction in digital-to-analog converters

Publications (1)

Publication Number Publication Date
HK1036530A1 true HK1036530A1 (en) 2002-01-04

Family

ID=22314600

Family Applications (1)

Application Number Title Priority Date Filing Date
HK01107246A HK1036530A1 (en) 1998-06-30 2001-10-17 D.C. offset correction in digital-to-analog converters comparing input signals with output signals thereof.

Country Status (14)

Country Link
US (2) US6154158A (ja)
EP (1) EP1090461B1 (ja)
JP (2) JP4422333B2 (ja)
KR (1) KR100562730B1 (ja)
CN (1) CN1183678C (ja)
AT (1) ATE313169T1 (ja)
AU (1) AU759884B2 (ja)
BR (1) BR9911734A (ja)
CA (1) CA2334999A1 (ja)
DE (1) DE69928934T2 (ja)
ES (1) ES2258334T3 (ja)
HK (1) HK1036530A1 (ja)
ID (1) ID28175A (ja)
WO (1) WO2000001073A1 (ja)

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Also Published As

Publication number Publication date
ATE313169T1 (de) 2005-12-15
JP2002519925A (ja) 2002-07-02
BR9911734A (pt) 2002-04-23
AU4726199A (en) 2000-01-17
WO2000001073A1 (en) 2000-01-06
ID28175A (id) 2001-05-10
JP4422333B2 (ja) 2010-02-24
CN1307749A (zh) 2001-08-08
EP1090461B1 (en) 2005-12-14
JP4589443B2 (ja) 2010-12-01
ES2258334T3 (es) 2006-08-16
CA2334999A1 (en) 2000-01-06
US6154158A (en) 2000-11-28
DE69928934D1 (de) 2006-01-19
CN1183678C (zh) 2005-01-05
JP2010045792A (ja) 2010-02-25
EP1090461A1 (en) 2001-04-11
KR20010053265A (ko) 2001-06-25
KR100562730B1 (ko) 2006-03-20
US6278391B1 (en) 2001-08-21
AU759884B2 (en) 2003-05-01
DE69928934T2 (de) 2006-08-24

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PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)

Effective date: 20110629