GB2120881B - A flash a/d converter having reduced input loading - Google Patents

A flash a/d converter having reduced input loading

Info

Publication number
GB2120881B
GB2120881B GB08312347A GB8312347A GB2120881B GB 2120881 B GB2120881 B GB 2120881B GB 08312347 A GB08312347 A GB 08312347A GB 8312347 A GB8312347 A GB 8312347A GB 2120881 B GB2120881 B GB 2120881B
Authority
GB
United Kingdom
Prior art keywords
flash
converter
reduced input
input loading
loading
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.)
Expired
Application number
GB08312347A
Other languages
English (en)
Other versions
GB2120881A (en
GB8312347D0 (en
Inventor
Andrew Gordon Francis Dingwall
Victor Zazzu
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.)
RCA Corp
Original Assignee
RCA Corp
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 RCA Corp filed Critical RCA Corp
Publication of GB8312347D0 publication Critical patent/GB8312347D0/en
Publication of GB2120881A publication Critical patent/GB2120881A/en
Application granted granted Critical
Publication of GB2120881B publication Critical patent/GB2120881B/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
    • 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
    • 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
    • H03M1/362—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 the reference values being generated by a resistive voltage divider
    • H03M1/365—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 the reference values being generated by a resistive voltage divider the voltage divider being a single resistor string

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
GB08312347A 1982-05-24 1983-05-05 A flash a/d converter having reduced input loading Expired GB2120881B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/381,732 US4507649A (en) 1982-05-24 1982-05-24 Flash A/D converter having reduced input loading

Publications (3)

Publication Number Publication Date
GB8312347D0 GB8312347D0 (en) 1983-06-08
GB2120881A GB2120881A (en) 1983-12-07
GB2120881B true GB2120881B (en) 1986-02-05

Family

ID=23506166

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08312347A Expired GB2120881B (en) 1982-05-24 1983-05-05 A flash a/d converter having reduced input loading

Country Status (16)

Country Link
US (1) US4507649A (cg-RX-API-DMAC7.html)
JP (1) JPS58212222A (cg-RX-API-DMAC7.html)
KR (1) KR920000839B1 (cg-RX-API-DMAC7.html)
AU (1) AU562623B2 (cg-RX-API-DMAC7.html)
CA (1) CA1229171A (cg-RX-API-DMAC7.html)
DE (1) DE3318537A1 (cg-RX-API-DMAC7.html)
DK (1) DK228783A (cg-RX-API-DMAC7.html)
ES (1) ES8404586A1 (cg-RX-API-DMAC7.html)
FI (1) FI81222C (cg-RX-API-DMAC7.html)
FR (1) FR2527400B1 (cg-RX-API-DMAC7.html)
GB (1) GB2120881B (cg-RX-API-DMAC7.html)
IT (1) IT1171674B (cg-RX-API-DMAC7.html)
NL (1) NL8301811A (cg-RX-API-DMAC7.html)
NZ (1) NZ204322A (cg-RX-API-DMAC7.html)
SE (1) SE452228B (cg-RX-API-DMAC7.html)
ZA (1) ZA833700B (cg-RX-API-DMAC7.html)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4602241A (en) * 1985-06-28 1986-07-22 Rca Corporation Input current saving apparatus for flash A/D converter
JPS62258521A (ja) * 1986-05-02 1987-11-11 Nec Corp Ａ−ｄ変換器
EP0258808B1 (en) * 1986-08-29 1993-02-24 Mitsubishi Denki Kabushiki Kaisha Complementary mos integrated circuit
JPS6382124A (ja) * 1986-09-26 1988-04-12 Toshiba Corp アナログスイツチ回路
JPS63125017A (ja) * 1986-11-14 1988-05-28 Mitsubishi Electric Corp ３ステ−ト付相補型ｍｏｓ集積回路
JPH01106517A (ja) * 1987-10-19 1989-04-24 Mitsubishi Electric Corp 比較回路
JPH07118656B2 (ja) * 1988-02-15 1995-12-18 三菱電機株式会社 エンコード回路
US4870418A (en) * 1988-03-03 1989-09-26 Linear Integrated Systems, Inc. Bipolar input circuit for CMOS flash analog to digital converter
US4897655A (en) * 1988-03-10 1990-01-30 Harris Semiconductor Patents, Inc. High speed apparatus for a single latch flash analog-to-digital converter
JPH01305616A (ja) * 1988-06-02 1989-12-08 Toshiba Corp 半導体集積回路の出力回路
US4918449A (en) * 1989-02-13 1990-04-17 National Semiconductor Corporation Multistep flash analog to digital converter with voltage estimator
JPH03179920A (ja) * 1989-12-08 1991-08-05 Mitsubishi Electric Corp サンプルホールド回路装置
JP3103657B2 (ja) * 1992-03-23 2000-10-30 松下電器産業株式会社 電圧保持回路及び容量結合網を有するａ／ｄ変換器
JP3111424B2 (ja) * 1992-09-01 2000-11-20 株式会社鷹山 信号統合処理回路
KR100335117B1 (ko) * 1998-07-07 2002-07-18 박종섭 저전압용 아날로그/디지탈 변환기
US6177899B1 (en) 1998-07-29 2001-01-23 Etrend Electronics, Inc. Analog-to-digital converter having multiple reference voltage comparators and boundary voltage error correction
US7271755B2 (en) * 2002-05-24 2007-09-18 Broadcom Corporation Resistor ladder interpolation for PGA and DAC
US7190298B2 (en) * 2002-05-24 2007-03-13 Broadcom Corporation Resistor ladder interpolation for subranging ADC
JP2005266043A (ja) * 2004-03-17 2005-09-29 Hitachi Displays Ltd 画像表示パネルおよびレベルシフト回路
US7135890B2 (en) * 2004-04-19 2006-11-14 Super Talent Electronics, Inc. SCL type FPGA with multi-threshold transistors and method for forming same
US20060114140A1 (en) * 2004-11-29 2006-06-01 Taiwan Semiconductor Manufacturing Co., Ltd. Two step flash analog to digital converter
JP2010062995A (ja) * 2008-09-05 2010-03-18 Yokogawa Electric Corp Ａ／ｄ変換器

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB156810A (cg-RX-API-DMAC7.html) *
GB874051A (en) * 1958-12-23 1961-08-02 Ass Elect Ind Improvements relating to analogue-to-digital converters
GB904625A (en) * 1959-01-30 1962-08-29 Standard Telephones Cables Ltd Improvements in or relating to electric pulse code modulation systems of communication
GB1216081A (en) * 1967-06-22 1970-12-16 Nat Res Dev Electronic logic element
US3676702A (en) * 1971-01-04 1972-07-11 Rca Corp Comparator circuit
GB2082410B (en) * 1980-08-23 1984-08-30 Plessey Co Ltd Analogue-to-digital converter

Also Published As

Publication number Publication date
IT1171674B (it) 1987-06-10
SE452228B (sv) 1987-11-16
GB2120881A (en) 1983-12-07
KR920000839B1 (ko) 1992-01-30
NZ204322A (en) 1986-03-14
DE3318537C2 (cg-RX-API-DMAC7.html) 1991-11-21
DE3318537A1 (de) 1983-11-24
CA1229171A (en) 1987-11-10
NL8301811A (nl) 1983-12-16
FR2527400B1 (fr) 1989-08-18
KR840004992A (ko) 1984-10-31
GB8312347D0 (en) 1983-06-08
DK228783D0 (da) 1983-05-20
JPS58212222A (ja) 1983-12-09
FI831729A0 (fi) 1983-05-17
FI831729L (fi) 1983-11-25
DK228783A (da) 1983-11-25
AU1461883A (en) 1983-12-01
JPH045294B2 (cg-RX-API-DMAC7.html) 1992-01-31
US4507649A (en) 1985-03-26
IT8321141A0 (it) 1983-05-17
FR2527400A1 (fr) 1983-11-25
AU562623B2 (en) 1987-06-18
SE8302762D0 (sv) 1983-05-17
ES522479A0 (es) 1984-04-16
ZA833700B (en) 1984-07-25
IT8321141A1 (it) 1984-11-17
SE8302762L (sv) 1983-11-25
FI81222C (fi) 1990-09-10
ES8404586A1 (es) 1984-04-16
FI81222B (fi) 1990-05-31

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19930505