DE68918813T2 - Verarbeitung von abgetasteten analogen elektrischen Signalen. - Google Patents
Verarbeitung von abgetasteten analogen elektrischen Signalen.Info
- Publication number
- DE68918813T2 DE68918813T2 DE68918813T DE68918813T DE68918813T2 DE 68918813 T2 DE68918813 T2 DE 68918813T2 DE 68918813 T DE68918813 T DE 68918813T DE 68918813 T DE68918813 T DE 68918813T DE 68918813 T2 DE68918813 T2 DE 68918813T2
- 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
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
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 DE68918813D1 (de) | 1994-11-17 |
DE68918813T2 true 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) |
Families Citing this family (46)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2235799A (en) * | 1989-09-06 | 1991-03-13 | Philips Electronic Associated | Differentiator circuit |
GB9204763D0 (en) * | 1992-03-05 | 1992-04-15 | Philips Electronics Uk Ltd | Signal processing arrangements |
TW236047B (de) * | 1992-12-21 | 1994-12-11 | Philips Electronics Nv | |
FI93684C (fi) * | 1993-04-23 | 1995-05-10 | Nokia Mobile Phones Ltd | Menetelmä signaalin käsittelemiseksi ja menetelmän mukainen signaalinkäsittelypiiri |
US5444363A (en) * | 1993-12-16 | 1995-08-22 | Advanced Micro Devices Inc. | Low noise apparatus for receiving an input current and producing an output current which mirrors the input current |
US5477190A (en) * | 1994-12-16 | 1995-12-19 | Advanced Micro Devices, Inc. | Low voltage linear output buffer operational amplifier |
JPH0918253A (ja) * | 1995-06-30 | 1997-01-17 | Texas Instr Japan Ltd | 演算増幅回路 |
FR2738422B1 (fr) * | 1995-08-31 | 1997-10-24 | Suisse Electronique Microtech | Circuit de polarisation destine a fixer le niveau moyen d'une tension alternative |
DE69526585D1 (de) * | 1995-12-06 | 2002-06-06 | Ibm | Temperaturkompensierter Referenzstromgenerator mit Widerständen mit grossen Temperaturkoeffizienten |
SE517684C2 (sv) * | 1996-06-14 | 2002-07-02 | Ericsson Telefon Ab L M | Förfarande och anordning för att bearbeta samplade analoga signaler i en digital BiCMOS-process |
US5793231A (en) * | 1997-04-18 | 1998-08-11 | Northern Telecom Limited | Current memory cell having bipolar transistor configured as a current source and using field effect transistor (FET) for current trimming |
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 |
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 |
US10186942B2 (en) * | 2015-01-14 | 2019-01-22 | Dialog Semiconductor (Uk) Limited | Methods and apparatus for discharging a node of an electrical circuit |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3619798A (en) * | 1969-11-20 | 1971-11-09 | Canadian Patents Dev | Three-port electrical network |
JPS6019685B2 (ja) * | 1977-07-25 | 1985-05-17 | 株式会社東芝 | 電流保持回路 |
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 |
-
1988
- 1988-12-08 GB GB8828667A patent/GB2225910A/en not_active Withdrawn
-
1989
- 1989-12-04 EP EP89203067A patent/EP0372647B1/de not_active Expired - Lifetime
- 1989-12-04 DE DE68918813T patent/DE68918813T2/de not_active Expired - Fee Related
- 1989-12-06 US US07/446,821 patent/US5113129A/en not_active Expired - Fee Related
- 1989-12-08 JP JP1320375A patent/JPH02189800A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
JPH02189800A (ja) | 1990-07-25 |
US5113129A (en) | 1992-05-12 |
GB8828667D0 (en) | 1989-01-11 |
DE68918813D1 (de) | 1994-11-17 |
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 |