DE69510471T2 - Kombinierter a/d-wandler und fir filter mit aktiver stromverteilung und verfahren - Google Patents

Kombinierter a/d-wandler und fir filter mit aktiver stromverteilung und verfahren

Info

Publication number
DE69510471T2
DE69510471T2 DE69510471T DE69510471T DE69510471T2 DE 69510471 T2 DE69510471 T2 DE 69510471T2 DE 69510471 T DE69510471 T DE 69510471T DE 69510471 T DE69510471 T DE 69510471T DE 69510471 T2 DE69510471 T2 DE 69510471T2
Authority
DE
Germany
Prior art keywords
converter
combined
power distribution
active power
fir filter
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 - Fee Related
Application number
DE69510471T
Other languages
English (en)
Other versions
DE69510471D1 (de
Inventor
Carlin Cabler
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.)
Advanced Micro Devices Inc
Original Assignee
Advanced Micro Devices Inc
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
Priority claimed from US08/389,362 external-priority patent/US5625357A/en
Application filed by Advanced Micro Devices Inc filed Critical Advanced Micro Devices Inc
Application granted granted Critical
Publication of DE69510471D1 publication Critical patent/DE69510471D1/de
Publication of DE69510471T2 publication Critical patent/DE69510471T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0283—Filters characterised by the filter structure
    • H03H17/0286—Combinations of filter structures
    • H03H17/0289—Digital and active filter structures
    • 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
    • H03M1/745—Simultaneous conversion using current sources as quantisation value generators with weighted currents
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/30—Delta-sigma modulation
    • H03M3/50—Digital/analogue converters using delta-sigma modulation as an intermediate step
    • H03M3/502—Details of the final digital/analogue conversion following the digital delta-sigma modulation
    • H03M3/504—Details of the final digital/analogue conversion following the digital delta-sigma modulation the final digital/analogue converter being constituted by a finite impulse response [FIR] filter, i.e. FIRDAC
DE69510471T 1995-02-16 1995-11-02 Kombinierter a/d-wandler und fir filter mit aktiver stromverteilung und verfahren Expired - Fee Related DE69510471T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/389,362 US5625357A (en) 1995-02-16 1995-02-16 Current steering semi-digital reconstruction filter
US08/526,834 US5995030A (en) 1995-02-16 1995-09-12 Apparatus and method for a combination D/A converter and FIR filter employing active current division from a single current source
PCT/US1995/014348 WO1996025793A1 (en) 1995-02-16 1995-11-02 Combination d/a converter and fir filter utilizing active current division and method

Publications (2)

Publication Number Publication Date
DE69510471D1 DE69510471D1 (de) 1999-07-29
DE69510471T2 true DE69510471T2 (de) 2000-01-13

Family

ID=27012671

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69510471T Expired - Fee Related DE69510471T2 (de) 1995-02-16 1995-11-02 Kombinierter a/d-wandler und fir filter mit aktiver stromverteilung und verfahren

Country Status (5)

Country Link
US (1) US5995030A (de)
EP (1) EP0809882B1 (de)
JP (1) JP3450336B2 (de)
DE (1) DE69510471T2 (de)
WO (1) WO1996025793A1 (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2744304B1 (fr) * 1996-01-26 1998-04-30 Texas Instruments France Convertisseur numerique-analogique differentiel a fonction de filtrage et compensation de decalage
KR100298455B1 (ko) * 1998-03-13 2001-08-07 김영환 오버샘플링(oversampling)디지탈/아날로그컨버터
US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US7515896B1 (en) 1998-10-21 2009-04-07 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same, and aperture relationships
US7295826B1 (en) * 1998-10-21 2007-11-13 Parkervision, Inc. Integrated frequency translation and selectivity with gain control functionality, and applications thereof
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US7209725B1 (en) 1999-01-22 2007-04-24 Parkervision, Inc Analog zero if FM decoder and embodiments thereof, such as the family radio service
US6853690B1 (en) 1999-04-16 2005-02-08 Parkervision, Inc. Method, system and apparatus for balanced frequency up-conversion of a baseband signal and 4-phase receiver and transceiver embodiments
US6879817B1 (en) 1999-04-16 2005-04-12 Parkervision, Inc. DC offset, re-radiation, and I/Q solutions using universal frequency translation technology
US7110444B1 (en) 1999-08-04 2006-09-19 Parkervision, Inc. Wireless local area network (WLAN) using universal frequency translation technology including multi-phase embodiments and circuit implementations
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
DE19930113B4 (de) * 1999-06-30 2006-09-14 Infineon Technologies Ag Vorrichtung und Verfahren zum Filtern eines einen digitalen Datenstrom repräsentierenden Signals
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
EP1188243B1 (de) * 1999-11-26 2006-03-01 Koninklijke Philips Electronics N.V. Fir-digital-analog-wandler mit offsetkompensation
US6963734B2 (en) * 1999-12-22 2005-11-08 Parkervision, Inc. Differential frequency down-conversion using techniques of universal frequency translation technology
KR100744857B1 (ko) * 2000-02-14 2007-08-01 코닌클리즈케 필립스 일렉트로닉스 엔.브이. 제어가능한 이득을 갖는 전류 대 전압 변환기 및 이를포함하는 신호 처리 회로
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US6738001B2 (en) * 2000-05-12 2004-05-18 Fujitsu Limited Semiconductor integrated circuit
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
WO2003015268A2 (en) * 2001-08-03 2003-02-20 Koninklijke Philips Electronics N.V. Analog fir-filter
US7085335B2 (en) * 2001-11-09 2006-08-01 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US20040044512A1 (en) * 2002-08-29 2004-03-04 Motorola, Inc. Method and apparatus for increasing a number of operating states of a circuit device
US20050035891A1 (en) * 2003-08-14 2005-02-17 Tripath Technology, Inc. Digital-to-analog converter with level control
US6963297B2 (en) * 2003-11-12 2005-11-08 Northrop Grumman Corporation Delta-sigma digital-to-analog converter assembly
US7098830B2 (en) * 2004-04-09 2006-08-29 Texas Instruments Incorporated Current switching arrangement for D.A.C. reconstruction filtering
JP2006191197A (ja) * 2004-12-28 2006-07-20 Toshiba Corp Ｄａ変換器
EP1748565B1 (de) * 2005-07-27 2009-10-21 Verigy (Singapore) Pte. Ltd. Digital Analog Wandlung bei der die Ausgänge mehrerer Digital-Analog-Wandler aufsummiert werden
WO2009034494A1 (en) * 2007-09-11 2009-03-19 Nxp B.V. Adjustable-resistor array type circuit of a semi-digital ratiometric finite impulse response digital-to-analog converter (firdac)
US8519877B1 (en) * 2012-03-28 2013-08-27 Texas Instruments Incorporated Low noise and low power arrangement for playing audio signals
EP3174096A1 (de) * 2015-11-27 2017-05-31 Nxp B.V. Diffundierter widerstand
CN113391667A (zh) 2020-03-12 2021-09-14 恩智浦美国有限公司 偏置电流发生电路
TWI779576B (zh) * 2021-04-23 2022-10-01 瑞昱半導體股份有限公司 具有訊號校正機制的數位至類比轉換裝置及方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1143758A (de) * 1965-11-16
US4494107A (en) * 1977-03-28 1985-01-15 Kearns Robert W Digital to analog converter
US4683458A (en) * 1986-07-31 1987-07-28 Robert Hallgren Current-steering digital-to-analog converter for providing bi-directional currents through a load
JPH0284442U (de) * 1988-12-16 1990-06-29
US5245344A (en) * 1991-01-15 1993-09-14 Crystal Semiconductor High order switched-capacitor filter with dac input
JP2547902B2 (ja) * 1991-03-29 1996-10-30 株式会社東芝 シグマデルタ型ｄ／ａ変換器システム
US5212659A (en) * 1991-10-08 1993-05-18 Crystal Semiconductor Low precision finite impulse response filter for digital interpolation
US5196850A (en) * 1991-11-13 1993-03-23 Crystal Semiconductor Fourth order digital delta-sigma modulator
EP0559944B1 (de) * 1992-03-12 1996-02-28 Siemens Aktiengesellschaft Sigma-Delta-Modulator
US5455582A (en) * 1992-12-17 1995-10-03 Ulsi Technology, Inc. Digital to analog converter employing R-2R ladders with substituted shunt arms
US5323157A (en) * 1993-01-15 1994-06-21 Motorola, Inc. Sigma-delta digital-to-analog converter with reduced noise
US5376936A (en) * 1993-06-16 1994-12-27 Crystal Semiconductor Corporation One-bit switched-capacitor D/A circuit with continuous time linearity

Also Published As

Publication number Publication date
US5995030A (en) 1999-11-30
JP3450336B2 (ja) 2003-09-22
WO1996025793A1 (en) 1996-08-22
EP0809882B1 (de) 1999-06-23
DE69510471D1 (de) 1999-07-29
JPH11500279A (ja) 1999-01-06
EP0809882A1 (de) 1997-12-03

Similar Documents

Publication Publication Date Title
DE69510471D1 (de) Kombinierter a/d-wandler und fir filter mit aktiver stromverteilung und verfahren
DE59608735D1 (de) Optoelektronischer wandler und herstellverfahren
DE69732084D1 (de) Pulsladeverfahren und ladegerät
DE69719296D1 (de) A/D-Wandler und A/D-Wandlungsverfahren
ZA963196B (en) NOx catalyst/trap and method of using the same
DE59607023D1 (de) Optoelektronischer Wandler und Herstellverfahren
ATE299359T1 (de) Stent mit einer verzweigung und verfahren zu seiner herstellung
DE69602483T2 (de) Kraftwandler und Herstellungsverfahren dazu
DE69735342D1 (de) Binärprogrammkonvertiergerät und -verfahren
FI962055A (fi) Pariston jatkolaite ja siihen liittyvä menetelmä
DE69734921D1 (de) Antibeschlag-gegenstand und dessen herstellungsverfahren
DE69521370D1 (de) Mehrfach gekoppelter leistungswandler und seine steuerverfahren
DE69520285T2 (de) Stromkollektor und verfahren zu seiner herstellung
KR960012601A (ko) 원-직선편파변환기 및 그의 제조방법
DE69603829D1 (de) Schalwandler und verfahren zu dessen herstellung
DE69526002D1 (de) Aufladegerät und Aufladevorrichtung
DE69633886D1 (de) Spannung-Strom-Umsetzer
DE19581876T1 (de) Digitaler Aufwärtswandler/Modulator mit Mehrfachzugriff und Verfahren
FI971884A (fi) Tietoliikennemenetelmä ja -järjestely
HK1028847A1 (en) Method and arrangement in a dc-to-dc converter
DE69524786D1 (de) Endlosband und herstellungsverfahren
DE69320709D1 (de) Photoelektrischer Wandler und Steuerverfahren dafür
DE69420817T2 (de) Aktiver Filter und seine Benutzung in einer Stromversorgungseinrichtung
DE69605380D1 (de) Batterieladevorrichtung und -verfahren
DE69529066D1 (de) Effizienter medianfilter und verfahren

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee