KR890003136A - 전병렬 축차 비교형 아날로그-디지탈 변환기 - Google Patents

전병렬 축차 비교형 아날로그-디지탈 변환기 Download PDF

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Publication number
KR890003136A
KR890003136A KR1019870007963A KR870007963A KR890003136A KR 890003136 A KR890003136 A KR 890003136A KR 1019870007963 A KR1019870007963 A KR 1019870007963A KR 870007963 A KR870007963 A KR 870007963A KR 890003136 A KR890003136 A KR 890003136A
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KR
South Korea
Prior art keywords
signal
analog
bit
parallel
digital converter
Prior art date
Application number
KR1019870007963A
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English (en)
Inventor
이윤태
Original Assignee
강진구
삼성반도체통신 주식회사
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 강진구, 삼성반도체통신 주식회사 filed Critical 강진구
Priority to KR1019870007963A priority Critical patent/KR890003136A/ko
Priority to JP63182764A priority patent/JPH01133422A/ja
Publication of KR890003136A publication Critical patent/KR890003136A/ko
Priority to US07/419,003 priority patent/US4994806A/en

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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
    • H03M1/34—Analogue value compared with reference values
    • H03M1/36—Analogue value compared with reference values simultaneously only, i.e. parallel type
    • 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
    • H03M1/145—Conversion in steps with each step involving the same or a different conversion means and delivering more than one bit the steps being performed sequentially in series-connected stages
    • 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
    • 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

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

Abstract

내용 없음

Description

전병렬 축차 비교형 아날로그-디지탈 변환기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제 1도는 종래의 축차 비교형 아날로그-디지탈 변환기의 개략도. 제 2도는 종래의 반병렬 아날로그-디지탈변환기의 개략도. 제 3도는 본 발명에 따른 전병렬 축차비교형 아날로그-디지탈 변환기의 회로도.

Claims (1)

  1. 아날로그 입력신호를 디지털신호로 변화시키는 n비트 아날로그-디지탈변환기에 있어서, 아날로그 입력신호를 샘플링하는 샘플 앤드 홀드(21)와, 상기 샘플링신호를 인가하여 2개의 스텝으로 구분된 기준신호들과 일시에 비교하여 인코딩하므로서 대응하는 디지탈 신호인 상위의의 비트신호를 출력하는비트 전병렬 변환기(22)와, 상기 상위비트신호를 래치시키는 래치(23)와, 래치(23)의 출력신호를 인가하여 이에 대응하는 아날로그 신호로 변환시키는DAC(24)와, 상기비트 DAC(24)의 아날로그 신호와 샘플 앤드 홀드(21)의 샘플링신호를 감산하는 감산기(25)와, 상기 감산기(25)와 축차비교형 방식의비트 DAC(28)의 출력신호를 비교하는 비교기(26)와, 상기 비교신호를 인가하여 축차비교형 방식으로 하위의비트를 결정하게 변화시키는비트 축차 변화기(27)와, 상기 하위비트 신호를 인가하여 아날로그 신호를 변환시키는비트 DAC(28)로 이루어진 것을 특징으로 하는 전병렬축차비교형 아날로그-디지탈 변환기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019870007963A 1987-07-22 1987-07-22 전병렬 축차 비교형 아날로그-디지탈 변환기 KR890003136A (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1019870007963A KR890003136A (ko) 1987-07-22 1987-07-22 전병렬 축차 비교형 아날로그-디지탈 변환기
JP63182764A JPH01133422A (ja) 1987-07-22 1988-07-21 全並列逐次比較形アナログ‐デジタル変換器
US07/419,003 US4994806A (en) 1987-07-22 1989-10-10 Flash-successive approximation analog-to-digital converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870007963A KR890003136A (ko) 1987-07-22 1987-07-22 전병렬 축차 비교형 아날로그-디지탈 변환기

Publications (1)

Publication Number Publication Date
KR890003136A true KR890003136A (ko) 1989-04-13

Family

ID=19263190

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870007963A KR890003136A (ko) 1987-07-22 1987-07-22 전병렬 축차 비교형 아날로그-디지탈 변환기

Country Status (3)

Country Link
US (1) US4994806A (ko)
JP (1) JPH01133422A (ko)
KR (1) KR890003136A (ko)

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IT1229752B (it) * 1989-05-17 1991-09-10 Sgs Thomson Microelectronics Convertitore analogico/digitale ad elevata velocita'.
DE4219841A1 (de) * 1992-06-17 1993-12-23 Blaupunkt Werke Gmbh Verfahren zur Analog-Digital-Wandlung
JP3122865B2 (ja) * 1992-12-09 2001-01-09 日本テキサス・インスツルメンツ株式会社 Ａ／ｄコンバータ
FR2702044B1 (fr) * 1993-02-26 1995-05-24 Marwal Systems Sa Circuit de traitement pour signal de sortie de capteur analogique résistif, notamment pour jauge de carburant sur véhicule automobile et systèmes équipés.
US5455583A (en) * 1994-06-07 1995-10-03 Louisiana Simchip Technologies, Inc. Combined conventional/neural network analog to digital converter
US5424736A (en) * 1994-06-07 1995-06-13 Louisiana Simchip Technologies, Inc. Latched neural network A/D converter
US5479169A (en) * 1994-06-07 1995-12-26 Louisiana Simchip Technologies, Inc. Multiple neural network analog to digital converter for simultaneously processing multiple samples
US6011538A (en) * 1997-06-18 2000-01-04 Paradise Electronics, Inc. Method and apparatus for displaying images when an analog-to-digital converter in a digital display unit is unable to sample an analog display signal at a desired high sampling frequency
US7215954B1 (en) 1999-03-18 2007-05-08 The Directv Group, Inc. Resource allocation method for multi-platform communication system
US6611222B1 (en) 2002-06-03 2003-08-26 Charles Douglas Murphy Low-complexity high-speed analog-to-digital converters
JP4526919B2 (ja) * 2004-10-21 2010-08-18 ルネサスエレクトロニクス株式会社 Ａ／ｄ変換装置
US7515083B2 (en) * 2006-12-18 2009-04-07 Industrial Technology Research Institute Analog-to-digital converting system
TWI479806B (zh) * 2011-02-01 2015-04-01 Univ Macau 類比至數位轉換系統
CN102904573A (zh) * 2011-07-29 2013-01-30 联发科技（新加坡）私人有限公司 模数转换器及模数转换方法
US8878712B2 (en) * 2013-03-14 2014-11-04 Analog Devices Technology Flash ADC shuffling
CN104300984B (zh) * 2014-10-21 2018-04-27 上海玮舟微电子科技有限公司 一种模数转换器和模数转换方法
US10425095B1 (en) 2018-08-27 2019-09-24 Qualcomm Incorporated Multiple-bit parallel successive approximation (SA) flash analog-to-digital converter (ADC) circuits
US10447292B1 (en) 2018-08-27 2019-10-15 Qualcomm Incorporated Multiple-bit parallel successive approximation register (SAR) analog-to-digital converter (ADC) circuits
US10333544B1 (en) 2018-09-19 2019-06-25 Qualcomm Incorporated Digital-to-analog converter (DAC) circuits employing resistor rotator circuits configured to be included in analog-to-digital converter (ADC) circuits

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US4386339A (en) * 1980-03-31 1983-05-31 Hewlett-Packard Company Direct flash analog-to-digital converter and method
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Also Published As

Publication number Publication date
US4994806A (en) 1991-02-19
JPH01133422A (ja) 1989-05-25

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