JPS56102120A - Digital-to-analog converter - Google Patents

Digital-to-analog converter

Info

Publication number
JPS56102120A
JPS56102120A JP437580A JP437580A JPS56102120A JP S56102120 A JPS56102120 A JP S56102120A JP 437580 A JP437580 A JP 437580A JP 437580 A JP437580 A JP 437580A JP S56102120 A JPS56102120 A JP S56102120A
Authority
JP
Japan
Prior art keywords
encode
signal groups
current source
source switch
generates
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.)
Granted
Application number
JP437580A
Other languages
English (en)
Japanese (ja)
Other versions
JPS641977B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html
Inventor
Kiyuuichi Haruyama
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co Ltd
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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP437580A priority Critical patent/JPS56102120A/ja
Publication of JPS56102120A publication Critical patent/JPS56102120A/ja
Publication of JPS641977B2 publication Critical patent/JPS641977B2/ja
Granted 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
    • H03M1/66—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
    • H03M1/682—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 both converters being of the unary decoded type
    • H03M1/685—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 both converters being of the unary decoded type the quantisation value generators of both converters being arranged in a common two-dimensional array
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
JP437580A 1980-01-18 1980-01-18 Digital-to-analog converter Granted JPS56102120A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP437580A JPS56102120A (en) 1980-01-18 1980-01-18 Digital-to-analog converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP437580A JPS56102120A (en) 1980-01-18 1980-01-18 Digital-to-analog converter

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP61025369A Division JPS61179620A (ja) 1986-02-07 1986-02-07 電流源回路

Publications (2)

Publication Number Publication Date
JPS56102120A true JPS56102120A (en) 1981-08-15
JPS641977B2 JPS641977B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-13

Family

ID=11582611

Family Applications (1)

Application Number Title Priority Date Filing Date
JP437580A Granted JPS56102120A (en) 1980-01-18 1980-01-18 Digital-to-analog converter

Country Status (1)

Country Link
JP (1) JPS56102120A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5862930A (ja) * 1981-09-16 1983-04-14 ブルツクトリ−・コ−ポレ−シヨン デイジタル・アナログ変換装置
JPS58220523A (ja) * 1982-06-01 1983-12-22 ブルツクトリ−・コ−ポレ−シヨン デイジタル値とアナログ値との間の変換装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4886461A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-02-17 1973-11-15
JPS5040304A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-08-21 1975-04-14
JPS5325783A (en) * 1976-08-23 1978-03-09 Hitachi Ltd Operation supervisary unit for electrically operated valve

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4886461A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1972-02-17 1973-11-15
JPS5040304A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1973-08-21 1975-04-14
JPS5325783A (en) * 1976-08-23 1978-03-09 Hitachi Ltd Operation supervisary unit for electrically operated valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5862930A (ja) * 1981-09-16 1983-04-14 ブルツクトリ−・コ−ポレ−シヨン デイジタル・アナログ変換装置
JPS58220523A (ja) * 1982-06-01 1983-12-22 ブルツクトリ−・コ−ポレ−シヨン デイジタル値とアナログ値との間の変換装置

Also Published As

Publication number Publication date
JPS641977B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-13

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