TW270263B - Analog converter - Google Patents

Analog converter

Info

Publication number
TW270263B
TW270263B TW84108070A TW84108070A TW270263B TW 270263 B TW270263 B TW 270263B TW 84108070 A TW84108070 A TW 84108070A TW 84108070 A TW84108070 A TW 84108070A TW 270263 B TW270263 B TW 270263B
Authority
TW
Taiwan
Prior art keywords
voltage
partition
rough
thermometer code
reference voltage
Prior art date
Application number
TW84108070A
Other languages
Chinese (zh)
Inventor
Bor-Chin Cheu
Original Assignee
Ind Tech Res Inst
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 Ind Tech Res Inst filed Critical Ind Tech Res Inst
Priority to TW84108070A priority Critical patent/TW270263B/en
Application granted granted Critical
Publication of TW270263B publication Critical patent/TW270263B/en

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  • Analogue/Digital Conversion (AREA)

Abstract

A built-in ranging analog converter for converting input analog voltage to digital signal output comprises: one reference voltage generator that could generate one set of reference voltage whose value increments in possible input analog voltage range; the first set of voltage comparator that could analyze input analog voltage into the first set of thermometer code in order to decide rough partitioning set; the second set of voltage comparator, when it connects to one partition in rough partitioning set of reference voltage generator, it will generate the second set of thermometer code; the third set of voltage comparator that could analyze rough division into the third set of thermometer code in order to decide subtle partition set of input voltage; the first logic decoding device for selecting the first set of thermometer code to generating an appropriate rough partition in rough partition set of reference voltage generator and connect the reference voltage generator to the second set of voltage comparator; the second logic decoding device for selecting the first and the second set of thermometer code generated from the first and the second set of voltage comparator, generating an appropriate subtle partition in rough partition set of reference voltage generator and connect the reference voltage generator to the second set of voltage comparator; one output coding device for converting the first, the second, the third set of thermometer code generated from the output of the first, the second, the third set of voltage comparator into one output word; and one sampling and holding circuit device for coupling input analog voltage to the first, the second and the third set of voltage comparator and holding sampled input analog voltage for a period of time.
TW84108070A 1995-08-01 1995-08-01 Analog converter TW270263B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW84108070A TW270263B (en) 1995-08-01 1995-08-01 Analog converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW84108070A TW270263B (en) 1995-08-01 1995-08-01 Analog converter

Publications (1)

Publication Number Publication Date
TW270263B true TW270263B (en) 1996-02-11

Family

ID=51397002

Family Applications (1)

Application Number Title Priority Date Filing Date
TW84108070A TW270263B (en) 1995-08-01 1995-08-01 Analog converter

Country Status (1)

Country Link
TW (1) TW270263B (en)

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