CA1072685A - Analog to digital converters - Google Patents

Analog to digital converters

Info

Publication number
CA1072685A
CA1072685A CA251,523A CA251523A CA1072685A CA 1072685 A CA1072685 A CA 1072685A CA 251523 A CA251523 A CA 251523A CA 1072685 A CA1072685 A CA 1072685A
Authority
CA
Canada
Prior art keywords
conversion unit
voltage level
analog
digital
level reference
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
Application number
CA251,523A
Other languages
English (en)
French (fr)
Inventor
Takeshi Ninomiya
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.)
Sony Corp
Original Assignee
Sony Corp
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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of CA1072685A publication Critical patent/CA1072685A/en
Expired legal-status Critical Current

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
    • 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
    • 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
    • H03M1/46—Analogue value compared with reference values sequentially only, e.g. successive approximation type with digital/analogue converter for supplying reference values to converter
    • H03M1/462—Details of the control circuitry, e.g. of the successive approximation register
    • 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
    • H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
    • H03M1/361—Analogue value compared with reference values simultaneously only, i.e. parallel type having a separate comparator and reference value for each quantisation level, i.e. full flash converter type

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
CA251,523A 1975-05-01 1976-04-30 Analog to digital converters Expired CA1072685A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50052029A JPS51128255A (en) 1975-05-01 1975-05-01 Analog-digital converter

Publications (1)

Publication Number Publication Date
CA1072685A true CA1072685A (en) 1980-02-26

Family

ID=12903376

Family Applications (1)

Application Number Title Priority Date Filing Date
CA251,523A Expired CA1072685A (en) 1975-05-01 1976-04-30 Analog to digital converters

Country Status (9)

Country Link
JP (1) JPS51128255A (xx)
AT (1) AT356424B (xx)
AU (1) AU499985B2 (xx)
CA (1) CA1072685A (xx)
DE (1) DE2619314A1 (xx)
FR (1) FR2310036A1 (xx)
GB (1) GB1516001A (xx)
IT (1) IT1059425B (xx)
NL (1) NL188725C (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6058629B2 (ja) * 1976-09-27 1985-12-20 ソニー株式会社 映像信号のアナログ−デジタル変換回路
DE3337041C1 (de) * 1983-10-12 1985-04-18 Krautkrämer GmbH, 5000 Köln Schaltungsvorrichtung zur Logarithmierung und Digitalisierung analoger Signale
JPS60138619A (ja) * 1983-12-27 1985-07-23 Shimadzu Corp オ−トゼロ回路
GB8705923D0 (en) * 1987-03-12 1987-04-15 Gen Electric Co Plc Analogue to digital converter
GB2202702A (en) * 1987-03-27 1988-09-28 Philips Electronic Associated Analogue to digital converter
GB2214737A (en) * 1988-01-25 1989-09-06 Alan Joseph Bell Subranging analog to digital converters
JP2995599B2 (ja) * 1992-09-09 1999-12-27 セイコーインスツルメンツ株式会社 アナログデジタル変換方法
JPH11274928A (ja) * 1999-02-15 1999-10-08 Seiko Instruments Inc アナログデジタル変換回路装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1190982B (de) * 1963-10-25 1965-04-15 Siemens Ag Einrichtung zur Umwandlung eines Analogsignals in ein Signal von Digitalform, insbesondere zur Informationsuebertragung mittels Puls-Code-Modulation
GB1318775A (en) * 1970-08-24 1973-05-31 Plessey Telcommunications Rese Encoders
US3721975A (en) * 1971-10-07 1973-03-20 Singer Co High speed analog-to-digital converter
US3860952B2 (en) * 1973-07-23 1996-05-07 Harris Corp Video time base corrector
DE2419642C3 (de) * 1974-04-24 1981-01-15 British Broadcasting Corp., London Analog-Digital-Umsetzer
JPS558052B2 (xx) * 1975-01-23 1980-03-01

Also Published As

Publication number Publication date
ATA324776A (de) 1979-09-15
IT1059425B (it) 1982-05-31
FR2310036A1 (fr) 1976-11-26
DE2619314A1 (de) 1976-11-11
GB1516001A (en) 1978-06-28
NL188725C (nl) 1992-09-01
AU499985B2 (en) 1979-05-10
AT356424B (de) 1980-04-25
DE2619314C2 (xx) 1989-01-05
JPS566731B2 (xx) 1981-02-13
JPS51128255A (en) 1976-11-09
NL7604702A (nl) 1976-11-03
NL188725B (nl) 1992-04-01
FR2310036B1 (xx) 1982-12-03
AU1345376A (en) 1977-11-03

Similar Documents

Publication Publication Date Title
CA1110363A (en) Analog-to-digital converter
US4450433A (en) D/A Converting circuit having two D/A converters for decoding and converting a digital signal into an analog signal
CA1072685A (en) Analog to digital converters
US4633483A (en) Near-instantaneous companding PCM involving accumulation of less significant bits removed from original data
GB1298371A (en) Improvements in or relating to analogue to digital conversion systems and methods
US4209773A (en) Code converters
US4251802A (en) Analog to digital converter
US3905028A (en) Direct digital logarithmic encoder
US4994806A (en) Flash-successive approximation analog-to-digital converter
US3573795A (en) Systems for converting information from digital-to-analog form and vice versa
US4124869A (en) System for the digital clamping of periodic, binary encoded signals
GB2029144A (en) Digital analogue converter
CA1171966A (en) Analog-to-digital converting circuit
US3161868A (en) Pcm encoder
US3735392A (en) Bipolar analog-to-digital converter with double detection of the sign bit
US4131885A (en) Parallel-serial analog to digital converters
US4594576A (en) Circuit arrangement for A/D and/or D/A conversion with nonlinear D/A conversion
US3016528A (en) Nonlinear conversion between analog and digital signals by a piecewiselinear process
US3216005A (en) Analog voltage translating apparatus
US5191445A (en) Image reader
US4143363A (en) Nonuniform translation between analog and digital signals by a piece-wise linear process
US3636555A (en) Analog to digital converter utilizing plural quantizing circuits
US3638218A (en) Drift compensation system for a cascade-type encoder
US3678504A (en) Segment analog-to-digital or digital-to-analog converter
US3990073A (en) Digital signal processing arrangement using a cascaded integrator function generator

Legal Events

Date Code Title Description
MKEX Expiry