JPS5614720A - Analog-digital converter - Google Patents

Analog-digital converter

Info

Publication number
JPS5614720A
JPS5614720A JP9134579A JP9134579A JPS5614720A JP S5614720 A JPS5614720 A JP S5614720A JP 9134579 A JP9134579 A JP 9134579A JP 9134579 A JP9134579 A JP 9134579A JP S5614720 A JPS5614720 A JP S5614720A
Authority
JP
Japan
Prior art keywords
iil
analog
transistors
converter
reduced
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
JP9134579A
Other languages
Japanese (ja)
Other versions
JPS6059775B2 (en
Inventor
Atsushi Shibata
Toshiki Mori
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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP9134579A priority Critical patent/JPS6059775B2/en
Publication of JPS5614720A publication Critical patent/JPS5614720A/en
Publication of JPS6059775B2 publication Critical patent/JPS6059775B2/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
    • H03M1/06—Continuously compensating for, or preventing, undesired influence of physical parameters
    • H03M1/08—Continuously compensating for, or preventing, undesired influence of physical parameters of noise
    • H03M1/0863—Continuously compensating for, or preventing, undesired influence of physical parameters of noise of switching transients, e.g. glitches
    • 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

Landscapes

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

Abstract

PURPOSE:To reduce the mixture of a noise into an analog circuit by using an IIL logic element for the logic control part of an A/D converter. CONSTITUTION:The driving part for electric-current switching transistors 204 and 205 for changing over reference electric-current sources provided at the input side of the comparator of an A/D converter is composed of flip-flop 201 of IIL. Through the operations of clamping circuits 213 and 214 provided to the IIL output part, a differential input to transistors 204 and 205 is held at about 0.7V. Therefore, an about 0.1V threshold voltage for driving transistors 204 and 205 is sufficient. Consequently, the generation of spike pulses can be reduced because of small logic amplitude, so that the leakage of noises to the analog part can be reduced.
JP9134579A 1979-07-18 1979-07-18 Analog to digital converter Expired JPS6059775B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9134579A JPS6059775B2 (en) 1979-07-18 1979-07-18 Analog to digital converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9134579A JPS6059775B2 (en) 1979-07-18 1979-07-18 Analog to digital converter

Publications (2)

Publication Number Publication Date
JPS5614720A true JPS5614720A (en) 1981-02-13
JPS6059775B2 JPS6059775B2 (en) 1985-12-26

Family

ID=14023822

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9134579A Expired JPS6059775B2 (en) 1979-07-18 1979-07-18 Analog to digital converter

Country Status (1)

Country Link
JP (1) JPS6059775B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4994976A (en) * 1988-02-17 1991-02-19 Mitsubishi Jukogyo Kabushiki Kaisha Film thickness controller

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02207126A (en) * 1989-02-07 1990-08-16 Yanmar Diesel Engine Co Ltd Cooling device for silencing type engine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4994976A (en) * 1988-02-17 1991-02-19 Mitsubishi Jukogyo Kabushiki Kaisha Film thickness controller

Also Published As

Publication number Publication date
JPS6059775B2 (en) 1985-12-26

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