DE68918813D1 - Verarbeitung von abgetasteten analogen elektrischen Signalen. - Google Patents

Verarbeitung von abgetasteten analogen elektrischen Signalen.

Info

Publication number
DE68918813D1
DE68918813D1 DE68918813T DE68918813T DE68918813D1 DE 68918813 D1 DE68918813 D1 DE 68918813D1 DE 68918813 T DE68918813 T DE 68918813T DE 68918813 T DE68918813 T DE 68918813T DE 68918813 D1 DE68918813 D1 DE 68918813D1
Authority
DE
Germany
Prior art keywords
processing
electrical signals
analog electrical
sampled analog
sampled
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
DE68918813T
Other languages
English (en)
Other versions
DE68918813T2 (de
Inventor
John Barry Hughes
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Philips Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE68918813D1 publication Critical patent/DE68918813D1/de
Publication of DE68918813T2 publication Critical patent/DE68918813T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C27/00—Electric analogue stores, e.g. for storing instantaneous values
    • G11C27/02—Sample-and-hold arrangements
    • G11C27/024—Sample-and-hold arrangements using a capacitive memory element
    • G11C27/028—Current mode circuits, e.g. switched current memories
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F3/00—Non-retroactive systems for regulating electric variables by using an uncontrolled element, or an uncontrolled combination of elements, such element or such combination having self-regulating properties
    • G05F3/02—Regulating voltage or current
    • G05F3/08—Regulating voltage or current wherein the variable is dc
    • G05F3/10—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics
    • G05F3/16—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices
    • G05F3/20—Regulating voltage or current wherein the variable is dc using uncontrolled devices with non-linear characteristics being semiconductor devices using diode- transistor combinations
    • G05F3/26—Current mirrors
    • G05F3/262—Current mirrors using field-effect transistors only
DE68918813T 1988-12-08 1989-12-04 Verarbeitung von abgetasteten analogen elektrischen Signalen. Expired - Fee Related DE68918813T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8828667A GB2225910A (en) 1988-12-08 1988-12-08 Processing sampled analogue electrical signals

Publications (2)

Publication Number Publication Date
DE68918813D1 true DE68918813D1 (de) 1994-11-17
DE68918813T2 DE68918813T2 (de) 1995-04-20

Family

ID=10648171

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68918813T Expired - Fee Related DE68918813T2 (de) 1988-12-08 1989-12-04 Verarbeitung von abgetasteten analogen elektrischen Signalen.

Country Status (5)

Country Link
US (1) US5113129A (de)
EP (1) EP0372647B1 (de)
JP (1) JPH02189800A (de)
DE (1) DE68918813T2 (de)
GB (1) GB2225910A (de)

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US6061551A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for down-converting electromagnetic signals
US6091940A (en) 1998-10-21 2000-07-18 Parkervision, Inc. Method and system for frequency up-conversion
US6694128B1 (en) 1998-08-18 2004-02-17 Parkervision, Inc. Frequency synthesizer using universal frequency translation technology
EP0994403B1 (de) * 1998-10-15 2003-05-21 Lucent Technologies Inc. Stromspiegelschaltung
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6813485B2 (en) 1998-10-21 2004-11-02 Parkervision, Inc. Method and system for down-converting and up-converting an electromagnetic signal, and transforms for same
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US6542722B1 (en) 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter and embodiments thereof, such as the family radio service
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
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
US7065162B1 (en) 1999-04-16 2006-06-20 Parkervision, Inc. Method and system for down-converting an electromagnetic signal, and transforms for same
US7693230B2 (en) 1999-04-16 2010-04-06 Parkervision, Inc. Apparatus and method of differential IQ frequency up-conversion
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
JP3482908B2 (ja) * 1999-05-26 2004-01-06 日本電気株式会社 駆動回路、駆動回路システム、バイアス回路及び駆動回路装置
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
FI20000379A (fi) * 2000-02-18 2001-08-19 Nokia Mobile Phones Ltd Tiedonsiirtomenetelmä ja -järjestelmä
US7010286B2 (en) 2000-04-14 2006-03-07 Parkervision, Inc. Apparatus, system, and method for down-converting and up-converting electromagnetic signals
US7454453B2 (en) 2000-11-14 2008-11-18 Parkervision, Inc. Methods, systems, and computer program products for parallel correlation and applications thereof
US6495997B2 (en) * 2001-02-15 2002-12-17 Intel Corporation High impedance current mode voltage scalable driver
JP4248773B2 (ja) * 2001-07-26 2009-04-02 富士通マイクロエレクトロニクス株式会社 電流電圧変換装置
US7072427B2 (en) 2001-11-09 2006-07-04 Parkervision, Inc. Method and apparatus for reducing DC offsets in a communication system
US7379883B2 (en) 2002-07-18 2008-05-27 Parkervision, Inc. Networking methods and systems
US7460584B2 (en) 2002-07-18 2008-12-02 Parkervision, Inc. Networking methods and systems
JP2008512026A (ja) * 2004-09-02 2008-04-17 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ ２つの供給電圧を比較するためのデバイスおよび方法
JP2006106284A (ja) * 2004-10-04 2006-04-20 Futaba Corp アクティブマトリクス駆動表示素子
JP2009239471A (ja) * 2008-03-26 2009-10-15 Panasonic Corp Ｍｏｓ集積回路、及びそれを備えた電子機器
US8963613B2 (en) 2011-08-11 2015-02-24 Qualcomm Incorporated Canceling third order non-linearity in current mirror-based circuits
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JPS556916A (en) * 1978-06-30 1980-01-18 Nippon Hoso Kyokai <Nhk> Automatic equalizer
JPH0656935B2 (ja) * 1982-04-24 1994-07-27 日本電装株式会社 定電流制御回路
US4573177A (en) * 1984-02-06 1986-02-25 The United States Of America As Represented By The Secretary Of The Air Force Bi-directional current differencer for complementary charge coupled device (CCD) outputs
EP0189894A3 (de) * 1985-01-29 1987-04-15 Omron Tateisi Electronics Co. Elementarschaltkreis, insbesondere zur Konstruktion von Systemen mit mehrwertiger Logik
EP0226721B1 (de) * 1985-09-30 1992-11-25 Siemens Aktiengesellschaft Schaltbare bipolare Stromquelle
US4675594A (en) * 1986-07-31 1987-06-23 Honeywell Inc. Voltage-to-current converter
GB2213011B (en) * 1987-09-16 1991-09-25 Philips Electronic Associated A method of and a circuit arrangement for processing sampled analogue electricals
GB2209895B (en) * 1987-09-16 1991-09-25 Philips Electronic Associated A circuit arrangement for storing sampled analogue electrical currents

Also Published As

Publication number Publication date
DE68918813T2 (de) 1995-04-20
JPH02189800A (ja) 1990-07-25
US5113129A (en) 1992-05-12
GB8828667D0 (en) 1989-01-11
EP0372647A3 (de) 1991-09-11
EP0372647A2 (de) 1990-06-13
GB2225910A (en) 1990-06-13
EP0372647B1 (de) 1994-10-12

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Legal Events

Date Code Title Description
8327 Change in the person/name/address of the patent owner

Owner name: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee