SG87899A1 - Current mode asynchronous decision a/d converter - Google Patents

Current mode asynchronous decision a/d converter

Info

Publication number
SG87899A1
SG87899A1 SG200004832A SG200004832A SG87899A1 SG 87899 A1 SG87899 A1 SG 87899A1 SG 200004832 A SG200004832 A SG 200004832A SG 200004832 A SG200004832 A SG 200004832A SG 87899 A1 SG87899 A1 SG 87899A1
Authority
SG
Singapore
Prior art keywords
current
cells
coupled
converter
lines
Prior art date
Application number
SG200004832A
Other languages
English (en)
Inventor
Mathilda Josephus Seve Joannes
A Us
Original Assignee
Cit Alcatel
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 Cit Alcatel filed Critical Cit Alcatel
Publication of SG87899A1 publication Critical patent/SG87899A1/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • 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
    • H03M1/12—Analogue/digital converters
    • H03M1/14—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit
    • H03M1/16—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps
    • H03M1/164—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages
    • H03M1/167—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages all stages comprising simultaneous converters
    • H03M1/168—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit with scale factor modification, i.e. by changing the amplification between the steps the steps being performed sequentially in series-connected stages all stages comprising simultaneous converters and delivering the same number of bits
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
    • H03M1/42—Sequential comparisons in series-connected stages with no change in value of analogue signal

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Power Conversion In General (AREA)
  • Dc-Dc Converters (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
SG200004832A 1999-08-25 2000-08-25 Current mode asynchronous decision a/d converter SG87899A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99402115A EP1079528B1 (de) 1999-08-25 1999-08-25 Asynchroner Entscheidungs- A/D Umwandler in Strommodus

Publications (1)

Publication Number Publication Date
SG87899A1 true SG87899A1 (en) 2002-04-16

Family

ID=8242097

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200004832A SG87899A1 (en) 1999-08-25 2000-08-25 Current mode asynchronous decision a/d converter

Country Status (10)

Country Link
US (1) US6326914B1 (de)
EP (1) EP1079528B1 (de)
JP (1) JP2001094423A (de)
KR (1) KR20010021082A (de)
AT (1) ATE287145T1 (de)
AU (1) AU4384100A (de)
CA (1) CA2315990A1 (de)
DE (1) DE69923174T2 (de)
IL (1) IL137039A0 (de)
SG (1) SG87899A1 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6611222B1 (en) 2002-06-03 2003-08-26 Charles Douglas Murphy Low-complexity high-speed analog-to-digital converters
US6744395B1 (en) * 2002-11-27 2004-06-01 International Business Machines Corporation Power-scalable asynchronous architecture for a wave-pipelined analog to digital converter
US7170436B2 (en) * 2004-06-24 2007-01-30 Symwave, Inc. Current mode analog-to-digital converter using parallel, time-interleaved successive approximation subcircuits
US7714762B2 (en) * 2005-04-12 2010-05-11 Massachusetts Institute Of Technology Method and apparatus for current-mode ADC
US7414562B2 (en) * 2006-07-25 2008-08-19 Intellectual Ventures Fund 27 Llc Analog-to-digital conversion using asynchronous current-mode cyclic comparison
EP2107683A1 (de) 2008-03-31 2009-10-07 Imec Analog-Digital-Wandler mit komparatorbasierter asynchroner binärer Suche

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179687A (en) * 1976-08-30 1979-12-18 U.S. Philips Corporation Analog-to-digital converter circuit employing iterative subtraction
US5164725A (en) * 1992-02-05 1992-11-17 Tritech Microelectronics International Pte Ltd. Digital to analog converter with current sources paired for canceling error sources

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496360A1 (fr) * 1980-12-12 1982-06-18 Efcis Codeur numerique ratiometrique de position d'un curseur de potentiometre
SE516675C2 (sv) * 1996-05-07 2002-02-12 Ericsson Telefon Ab L M Förfarande och anordning för att omvandla en analog ström till en digital signal
US5731775A (en) * 1996-06-17 1998-03-24 Lucent Technologies Inc. Subranging converter with plurality of resistor strings and transistor switches
US5886659A (en) * 1996-08-21 1999-03-23 California Institute Of Technology On-focal-plane analog-to-digital conversion for current-mode imaging devices
TW381373B (en) * 1997-12-31 2000-02-01 Ind Tech Res Inst Virtual two-phase current mode analog-digital converter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4179687A (en) * 1976-08-30 1979-12-18 U.S. Philips Corporation Analog-to-digital converter circuit employing iterative subtraction
US5164725A (en) * 1992-02-05 1992-11-17 Tritech Microelectronics International Pte Ltd. Digital to analog converter with current sources paired for canceling error sources

Also Published As

Publication number Publication date
KR20010021082A (ko) 2001-03-15
DE69923174D1 (de) 2005-02-17
AU4384100A (en) 2001-03-01
JP2001094423A (ja) 2001-04-06
US6326914B1 (en) 2001-12-04
CA2315990A1 (en) 2001-02-25
DE69923174T2 (de) 2005-12-29
EP1079528B1 (de) 2005-01-12
ATE287145T1 (de) 2005-01-15
EP1079528A1 (de) 2001-02-28
IL137039A0 (en) 2001-06-14

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