JPS5787235A - Two-way code converter - Google Patents

Two-way code converter

Info

Publication number
JPS5787235A
JPS5787235A JP16251180A JP16251180A JPS5787235A JP S5787235 A JPS5787235 A JP S5787235A JP 16251180 A JP16251180 A JP 16251180A JP 16251180 A JP16251180 A JP 16251180A JP S5787235 A JPS5787235 A JP S5787235A
Authority
JP
Japan
Prior art keywords
conversion
unipolar
circuit
converter
code converter
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.)
Pending
Application number
JP16251180A
Other languages
Japanese (ja)
Inventor
Hirohisa Karibe
Toshihiko Matsumura
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.)
Fujitsu Ltd
Original Assignee
Fujitsu 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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP16251180A priority Critical patent/JPS5787235A/en
Publication of JPS5787235A publication Critical patent/JPS5787235A/en
Pending 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
    • H03M1/02—Reversible analogue/digital converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)

Abstract

PURPOSE:To facilitate making the two-way code converter for AD conversion and DA conversion into an integrated circuit, by using one reference power source and by using a part of the circuit for AD conversion and DA conversion in common. CONSTITUTION:Unipolar DACs 11 and 12 are provided which hold an input signal temporarily, and one unipolar DAC12 is used as a local demodulator for AD conversion, and the other unipolar DAC11 is switched to be used for holding an input signal during the polarity discrimination time for AD conversion and to be used as a DA converter for DA conversion. Thus, only one reference power source Vr is required, and the holding circuit is omitted, and therefore, the circuit scale is reduced to facilitate making this converter into an integrated circuit.
JP16251180A 1980-11-18 1980-11-18 Two-way code converter Pending JPS5787235A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16251180A JPS5787235A (en) 1980-11-18 1980-11-18 Two-way code converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16251180A JPS5787235A (en) 1980-11-18 1980-11-18 Two-way code converter

Publications (1)

Publication Number Publication Date
JPS5787235A true JPS5787235A (en) 1982-05-31

Family

ID=15756006

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16251180A Pending JPS5787235A (en) 1980-11-18 1980-11-18 Two-way code converter

Country Status (1)

Country Link
JP (1) JPS5787235A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015004590A (en) * 2013-06-21 2015-01-08 多摩川精機株式会社 Interface circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015004590A (en) * 2013-06-21 2015-01-08 多摩川精機株式会社 Interface circuit

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