GB2333171A - Thermometer coding circuitry - Google Patents

Thermometer coding circuitry Download PDF

Info

Publication number
GB2333171A
GB2333171A GB9800384A GB9800384A GB2333171A GB 2333171 A GB2333171 A GB 2333171A GB 9800384 A GB9800384 A GB 9800384A GB 9800384 A GB9800384 A GB 9800384A GB 2333171 A GB2333171 A GB 2333171A
Authority
GB
United Kingdom
Prior art keywords
row
value
column
dimension
circuitry
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.)
Withdrawn
Application number
GB9800384A
Other languages
English (en)
Other versions
GB9800384D0 (en
Inventor
William George John Schofield
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 Electronics Europe GmbH
Fujitsu Semiconductor Ltd
Original Assignee
Fujitsu Electronics Europe GmbH
Fujitsu Semiconductor 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 Electronics Europe GmbH, Fujitsu Semiconductor Ltd filed Critical Fujitsu Electronics Europe GmbH
Priority to GB9800384A priority Critical patent/GB2333171A/en
Publication of GB9800384D0 publication Critical patent/GB9800384D0/en
Priority to EP99300083A priority patent/EP0930717A3/en
Priority to EP06008707A priority patent/EP1684434A1/en
Priority to US09/227,200 priority patent/US6163283A/en
Priority to JP11003205A priority patent/JPH11274935A/ja
Publication of GB2333171A publication Critical patent/GB2333171A/en
Withdrawn legal-status Critical Current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
    • H03M1/66—Digital/analogue converters
    • H03M1/68—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits
    • H03M1/682—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits both converters being of the unary decoded type
    • H03M1/685—Digital/analogue converters with conversions of different sensitivity, i.e. one conversion relating to the more significant digital bits and another conversion to the less significant bits both converters being of the unary decoded type the quantisation value generators of both converters being arranged in a common two-dimensional array
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/14—Conversion to or from non-weighted codes
    • H03M7/16—Conversion to or from unit-distance codes, e.g. Gray code, reflected binary code
    • H03M7/165—Conversion to or from thermometric code
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/66—Digital/analogue converters
    • H03M1/74—Simultaneous conversion
    • H03M1/742—Simultaneous conversion using current sources as quantisation value generators
    • H03M1/747—Simultaneous conversion using current sources as quantisation value generators with equal currents which are switched by unary decoded digital signals

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
GB9800384A 1998-01-08 1998-01-08 Thermometer coding circuitry Withdrawn GB2333171A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
GB9800384A GB2333171A (en) 1998-01-08 1998-01-08 Thermometer coding circuitry
EP99300083A EP0930717A3 (en) 1998-01-08 1999-01-06 Thermometer coding circuitry
EP06008707A EP1684434A1 (en) 1998-01-08 1999-01-06 Thermometer coding circuitry
US09/227,200 US6163283A (en) 1998-01-08 1999-01-08 Thermometer coding circuitry
JP11003205A JPH11274935A (ja) 1998-01-08 1999-01-08 コ―ディング回路、セルアレイ回路およびディジタル／アナログコンバ―タ

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9800384A GB2333171A (en) 1998-01-08 1998-01-08 Thermometer coding circuitry

Publications (2)

Publication Number Publication Date
GB9800384D0 GB9800384D0 (en) 1998-03-04
GB2333171A true GB2333171A (en) 1999-07-14

Family

ID=10825011

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9800384A Withdrawn GB2333171A (en) 1998-01-08 1998-01-08 Thermometer coding circuitry

Country Status (4)

Country Link
US (1) US6163283A (enExample)
EP (2) EP0930717A3 (enExample)
JP (1) JPH11274935A (enExample)
GB (1) GB2333171A (enExample)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6218974B1 (en) 1999-11-10 2001-04-17 Fujitsu Limited Data multiplexing in mixed-signal circuitry
WO2001091300A1 (en) * 2000-05-23 2001-11-29 Telefonaktiebolaget Lm Ericsson (Publ) A scrambler and a method of scrambling data words
US6344816B1 (en) 1999-11-24 2002-02-05 Fujitsu Limited Reducing jitter in mixed-signal circuitry
US7065168B2 (en) 1998-09-04 2006-06-20 Fujitsu Limited Jitter reduction
US8766830B2 (en) 2010-04-29 2014-07-01 Agilent Technologies, Inc. Digital waveform synthesizer for NMR phase control
US9143155B2 (en) 2011-05-13 2015-09-22 Intel Deutschland Gmbh RF DAC with configurable DAC mixer interface and configurable mixer
DE102010042339B4 (de) * 2009-10-13 2017-08-31 Intel Deutschland Gmbh Digital/Analog-Wandler mit einem Mischer

Families Citing this family (42)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4311511B2 (ja) * 1999-10-25 2009-08-12 日本バーブラウン株式会社 デジタル−アナログ変換の方法および装置
US6285300B1 (en) * 2000-02-09 2001-09-04 Hewlett Packard Company Apparatus and method for reducing power and noise through reduced switching recording in logic devices
US7433665B1 (en) 2000-07-31 2008-10-07 Marvell International Ltd. Apparatus and method for converting single-ended signals to a differential signal, and transceiver employing same
US7095348B1 (en) 2000-05-23 2006-08-22 Marvell International Ltd. Communication driver
US7113121B1 (en) 2000-05-23 2006-09-26 Marvell International Ltd. Communication driver
US6775529B1 (en) 2000-07-31 2004-08-10 Marvell International Ltd. Active resistive summer for a transformer hybrid
USRE41831E1 (en) 2000-05-23 2010-10-19 Marvell International Ltd. Class B driver
US7194037B1 (en) 2000-05-23 2007-03-20 Marvell International Ltd. Active replica transformer hybrid
US7312739B1 (en) 2000-05-23 2007-12-25 Marvell International Ltd. Communication driver
US7280060B1 (en) 2000-05-23 2007-10-09 Marvell International Ltd. Communication driver
US6462688B1 (en) 2000-12-18 2002-10-08 Marvell International, Ltd. Direct drive programmable high speed power digital-to-analog converter
US6424283B2 (en) * 2000-07-20 2002-07-23 Texas Instruments Incorporated Segmented high speed and high resolution digital-to-analog converter
US7606547B1 (en) 2000-07-31 2009-10-20 Marvell International Ltd. Active resistance summer for a transformer hybrid
DE10052944C2 (de) * 2000-10-25 2003-04-17 Infineon Technologies Ag Digital/Analog-Wandler
GB2373654B (en) * 2001-03-21 2005-02-09 Fujitsu Ltd Reducing jitter in mixed-signal integrated circuit devices
EP1614219B1 (en) 2002-04-02 2008-04-09 Telefonaktiebolaget LM Ericsson (publ) Comparator offset calibration for a/d converters
EP1359671A1 (en) * 2002-05-03 2003-11-05 Thomson Licensing S.A. Thermometer code digital to analog converter for audio signals
KR20030086896A (ko) * 2002-05-03 2003-11-12 톰슨 라이센싱 소시에떼 아노님 온도계 코드 디지털-오디오 변환기
KR100454129B1 (ko) * 2002-05-06 2004-10-26 삼성전자주식회사 코드 변환 장치, 디지털-아날로그 변환 장치, 그리고 지연동기 루프회로
EP1610465A4 (en) * 2003-03-25 2006-04-05 Fujitsu Ltd CODING SWITCHING AND A / D SWITCHING
EP1465348B1 (en) 2003-03-31 2007-04-11 AMI Semiconductor Belgium BVBA Current DAC with a two-dimensional matrix decoder
US7889752B2 (en) * 2003-06-05 2011-02-15 Marvell International Ltd. Dual ported network physical layer
DE10331545A1 (de) * 2003-07-11 2005-02-10 Infineon Technologies Ag Digital-Analog-Wandler und Verfahren zur Digital-Analog-Wandlung
US8010073B2 (en) 2004-01-22 2011-08-30 Broadcom Corporation System and method for adjusting power amplifier output power in linear dB steps
TWI246670B (en) * 2004-06-08 2006-01-01 Au Optronics Corp Digital to analog converter and OLED display utilizing the same
US7271748B2 (en) 2004-09-13 2007-09-18 Texas Instruments Incorporated System and method for providing a thermometer coded output filter
US7312662B1 (en) 2005-08-09 2007-12-25 Marvell International Ltd. Cascode gain boosting system and method for a transmitter
US7577892B1 (en) 2005-08-25 2009-08-18 Marvell International Ltd High speed iterative decoder
US7369076B1 (en) * 2006-12-04 2008-05-06 Taiwan Semiconductor Manufacturing Co., Ltd. High precision DAC with thermometer coding
EP2026467B1 (en) * 2007-07-30 2011-07-13 ST-Ericsson SA Current steering digital-analog converter particularly insensitive to packaging stresses
US8836559B2 (en) 2012-11-29 2014-09-16 Intel Mobile Communications GmbH Capacitive digital to analog converter
US8847806B2 (en) * 2012-11-29 2014-09-30 Intel Mobile Communications GmbH Digital to analog converter comprising mixer
US9130587B2 (en) * 2014-01-29 2015-09-08 Broadcom Corporation Frame adaptive digital to analog converter and methods for use therewith
US9112528B1 (en) * 2014-01-29 2015-08-18 Broadcom Corporation Digital to analog converter with thermometer coding and methods for use therewith
CN105099458B (zh) * 2014-05-09 2018-06-29 中芯国际集成电路制造(上海)有限公司 温度计译码器
US10061341B2 (en) 2016-09-21 2018-08-28 Infineon Technologies Austria Ag DAC controlled low power high output current source
US10340935B1 (en) 2018-01-12 2019-07-02 Dialog Semiconductor (Uk) Limited Thermometer digital to analog converter
CN108449089A (zh) * 2018-03-23 2018-08-24 上海唯捷创芯电子技术有限公司 实现数字化校准的电流舵型数模转换器、芯片及通信终端
JP7099904B2 (ja) * 2018-08-21 2022-07-12 株式会社メガチップス デコーダ回路およびデコーダ回路の設計方法
US11489534B1 (en) * 2021-10-11 2022-11-01 Cirrus Logic, Inc. Digital-to-analog conversion architecture and method
US12015510B2 (en) 2022-05-27 2024-06-18 International Business Machines Corporation Transmitter with uniform driver segment activity
US20230412188A1 (en) * 2022-06-17 2023-12-21 Apple Inc. Digital-to-analog converter with dynamic alternating fill order systems and methods

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328215A2 (en) * 1988-02-12 1989-08-16 Koninklijke Philips Electronics N.V. Error correction circuit suitable for thermometer or circular code

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57194625A (en) * 1981-05-27 1982-11-30 Nec Corp Digital to analog converter
GB2223369B (en) * 1988-08-18 1992-11-18 Plessey Co Plc Analogue-to-digital converters
JPH0548460A (ja) * 1991-06-05 1993-02-26 Matsushita Electric Ind Co Ltd Ａ／ｄ変換器とこれを用いたセンサ及び３次元集積回路
KR930009431B1 (ko) * 1991-12-31 1993-10-04 현대전자산업주식회사 2차원 대칭적 온도계형 매트릭스 디코더의 디지탈/아날로그 변환기
US5303200A (en) * 1992-07-02 1994-04-12 The Boeing Company N-dimensional multi-port memory
US5539405A (en) * 1993-07-29 1996-07-23 Cirrus Logic, Inc. DAC achieving monotonicity with equal sources and shift array therefor
US5844515A (en) * 1994-11-04 1998-12-01 Lg Semicon Co., Ltd Digital to analog converter and bias circuit therefor
US5633636A (en) * 1995-10-02 1997-05-27 Analog Devices, Inc. Half-gray digital encoding method and circuitry
KR100218329B1 (ko) * 1996-11-08 1999-09-01 구본준 고속 저전력 디지탈 아날로그 컨버터
US5977899A (en) * 1997-09-25 1999-11-02 Analog Devices, Inc. Digital-to-analog converter using noise-shaped segmentation
US5955980A (en) * 1997-10-03 1999-09-21 Motorola, Inc. Circuit and method for calibrating a digital-to-analog converter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0328215A2 (en) * 1988-02-12 1989-08-16 Koninklijke Philips Electronics N.V. Error correction circuit suitable for thermometer or circular code

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7065168B2 (en) 1998-09-04 2006-06-20 Fujitsu Limited Jitter reduction
US6218974B1 (en) 1999-11-10 2001-04-17 Fujitsu Limited Data multiplexing in mixed-signal circuitry
US6344816B1 (en) 1999-11-24 2002-02-05 Fujitsu Limited Reducing jitter in mixed-signal circuitry
DE10050620C2 (de) * 1999-11-24 2002-08-01 Fujitsu Ltd Jitterreduzierung in Mischsignalschaltungsanordnung
WO2001091300A1 (en) * 2000-05-23 2001-11-29 Telefonaktiebolaget Lm Ericsson (Publ) A scrambler and a method of scrambling data words
DE102010042339B4 (de) * 2009-10-13 2017-08-31 Intel Deutschland Gmbh Digital/Analog-Wandler mit einem Mischer
US8766830B2 (en) 2010-04-29 2014-07-01 Agilent Technologies, Inc. Digital waveform synthesizer for NMR phase control
US9143155B2 (en) 2011-05-13 2015-09-22 Intel Deutschland Gmbh RF DAC with configurable DAC mixer interface and configurable mixer
DE102012207909B4 (de) * 2011-05-13 2020-10-29 Apple Inc. HF-DAC mit konfigurierbarer DAC-Mischerschnittstelle und konfigurierbarem Mischer

Also Published As

Publication number Publication date
EP1684434A1 (en) 2006-07-26
GB9800384D0 (en) 1998-03-04
US6163283A (en) 2000-12-19
EP0930717A2 (en) 1999-07-21
JPH11274935A (ja) 1999-10-08
EP0930717A3 (en) 2003-01-02

Similar Documents

Publication Publication Date Title
US6163283A (en) Thermometer coding circuitry
US5969657A (en) Digital to analog converter
JPH11274935A5 (enExample)
US6163289A (en) Differential voltage digital-to-analog converter
EP1158402B1 (en) FPGA with column set/reset lines
EP0898374B1 (en) Digital-to-analog converter including current cell matrix with enhanced linearity and associated methods
US8830102B2 (en) Compact digital-to-analog converter
US8274417B2 (en) Coarse digital-to-analog converter architecture for voltage interpolation DAC
US8013770B2 (en) Decoder architecture with sub-thermometer codes for DACs
JPH0428180B2 (enExample)
US6542104B1 (en) Method and apparatus for low power thermometer to binary coder
US4910514A (en) D/A converter
Bhardwaj et al. Breaking the 2n-bit carry propagation barrier in residue to binary conversion for the [2/sup n/-1, 2/sup n/, 2/sup n/+ 1] modula set
US8237596B2 (en) Apparatus and method for simplifying Digital-to-Analog Converter circuitry using gray code
US5105193A (en) Digital to analogue convertors
KR100677079B1 (ko) 조건 선택 인코더 및 그 인코딩 방법
US5162800A (en) Digital-to-analog converting unit with improved linearity
US4408184A (en) Keyboard switch circuit
EP1139570B1 (en) Selecting circuit, digital/analog converter and analog/digital converter
US5453743A (en) Two-dimensional symmetric thermometer matrix decoder of digital/analog converter
Marche et al. An improved switch compensation technique for inverted R-2R ladder DACs
Sarkar et al. An 8-bit 1.8 V 500 MS/s CMOS DAC with a novel four-stage current steering architecture
Baranwal et al. Design and analysis of 8 bit fully segmented digital to analog converter
US7068978B2 (en) Current cell type digital-to-analog converter
KR100520591B1 (ko) 가산회로및그레이아웃구조

Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)