GB2437572B - Digital-to-analouge converters - Google Patents

Digital-to-analouge converters

Info

Publication number
GB2437572B
GB2437572B GB0608375A GB0608375A GB2437572B GB 2437572 B GB2437572 B GB 2437572B GB 0608375 A GB0608375 A GB 0608375A GB 0608375 A GB0608375 A GB 0608375A GB 2437572 B GB2437572 B GB 2437572B
Authority
GB
United Kingdom
Prior art keywords
analouge
converters
digital
analouge converters
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 - Fee Related
Application number
GB0608375A
Other versions
GB2437572A (en
GB0608375D0 (en
Inventor
Brian Stephen Carroll
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.)
Artimi Inc
Original Assignee
Artimi 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 Artimi Inc filed Critical Artimi Inc
Priority to GB0608375A priority Critical patent/GB2437572B/en
Publication of GB0608375D0 publication Critical patent/GB0608375D0/en
Priority to US11/519,201 priority patent/US7369077B2/en
Priority to PCT/GB2007/050217 priority patent/WO2007125366A2/en
Publication of GB2437572A publication Critical patent/GB2437572A/en
Application granted granted Critical
Publication of GB2437572B publication Critical patent/GB2437572B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H03M1/74—Simultaneous conversion
    • H03M1/742—Simultaneous conversion using current sources as quantisation value generators
    • H03M1/745—Simultaneous conversion using current sources as quantisation value generators with weighted currents
    • 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
    • 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
    • H03M1/74—Simultaneous conversion
    • 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
    • H03M1/68—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits
    • H03M1/687—Segmented, i.e. the more significant bit converter being of the unary decoded type and the less significant bit converter being of the binary weighted type
    • 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
    • H03M1/74—Simultaneous conversion
    • H03M1/742—Simultaneous conversion using current sources as quantisation value generators
    • H03M1/747—Simultaneous conversion using current sources as quantisation value generators with equal currents which are switched by unary decoded digital signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2626—Arrangements specific to the transmitter only

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
GB0608375A 2006-04-28 2006-04-28 Digital-to-analouge converters Expired - Fee Related GB2437572B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB0608375A GB2437572B (en) 2006-04-28 2006-04-28 Digital-to-analouge converters
US11/519,201 US7369077B2 (en) 2006-04-28 2006-09-12 Differential current-steering digital-to-analog converter
PCT/GB2007/050217 WO2007125366A2 (en) 2006-04-28 2007-04-26 Digital-to-analogue converters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0608375A GB2437572B (en) 2006-04-28 2006-04-28 Digital-to-analouge converters

Publications (3)

Publication Number Publication Date
GB0608375D0 GB0608375D0 (en) 2006-06-07
GB2437572A GB2437572A (en) 2007-10-31
GB2437572B true GB2437572B (en) 2009-09-30

Family

ID=36589943

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0608375A Expired - Fee Related GB2437572B (en) 2006-04-28 2006-04-28 Digital-to-analouge converters

Country Status (1)

Country Link
GB (1) GB2437572B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8456342B2 (en) * 2011-05-03 2013-06-04 Microchip Technology Incorporated Switch sequencing for code-range-specific linearity improvement in digital-to-analog converters

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60245315A (en) * 1984-05-21 1985-12-05 Hitachi Ltd D/a converting circuit
EP0251758A2 (en) * 1986-06-30 1988-01-07 Fujitsu Limited Digital-to-analog conversion system
JPH07336227A (en) * 1994-06-14 1995-12-22 Sony Corp D/a converter and a/d converter
US5841384A (en) * 1994-08-18 1998-11-24 Hughes Electronics Non-linear digital-to-analog converter and related high precision current sources

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60245315A (en) * 1984-05-21 1985-12-05 Hitachi Ltd D/a converting circuit
EP0251758A2 (en) * 1986-06-30 1988-01-07 Fujitsu Limited Digital-to-analog conversion system
JPH07336227A (en) * 1994-06-14 1995-12-22 Sony Corp D/a converter and a/d converter
US5841384A (en) * 1994-08-18 1998-11-24 Hughes Electronics Non-linear digital-to-analog converter and related high precision current sources

Also Published As

Publication number Publication date
GB2437572A (en) 2007-10-31
GB0608375D0 (en) 2006-06-07

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120913 AND 20120919

732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20120927 AND 20121003

PCNP Patent ceased through non-payment of renewal fee

Effective date: 20180428