DE3885396T2 - Bemusterte Filtereinrichtung mit geschalteten Kapazitäten. - Google Patents

Bemusterte Filtereinrichtung mit geschalteten Kapazitäten.

Info

Publication number
DE3885396T2
DE3885396T2 DE88402152T DE3885396T DE3885396T2 DE 3885396 T2 DE3885396 T2 DE 3885396T2 DE 88402152 T DE88402152 T DE 88402152T DE 3885396 T DE3885396 T DE 3885396T DE 3885396 T2 DE3885396 T2 DE 3885396T2
Authority
DE
Germany
Prior art keywords
filter device
patterned filter
switched capacities
capacities
switched
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
DE88402152T
Other languages
English (en)
Other versions
DE3885396D1 (de
Inventor
Mohamed Sameh Tawfik
Patrice Senn
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.)
Orange SA
Original Assignee
France Telecom SA
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 France Telecom SA filed Critical France Telecom SA
Application granted granted Critical
Publication of DE3885396D1 publication Critical patent/DE3885396D1/de
Publication of DE3885396T2 publication Critical patent/DE3885396T2/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
    • H03H19/00—Networks using time-varying elements, e.g. N-path filters
    • H03H19/004—Switched capacitor networks
DE88402152T 1987-08-26 1988-08-24 Bemusterte Filtereinrichtung mit geschalteten Kapazitäten. Expired - Fee Related DE3885396T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8711961A FR2619973B1 (fr) 1987-08-26 1987-08-26 Dispositif de filtre echantillonne a capacites commutees

Publications (2)

Publication Number Publication Date
DE3885396D1 DE3885396D1 (de) 1993-12-09
DE3885396T2 true DE3885396T2 (de) 1994-02-24

Family

ID=9354448

Family Applications (1)

Application Number Title Priority Date Filing Date
DE88402152T Expired - Fee Related DE3885396T2 (de) 1987-08-26 1988-08-24 Bemusterte Filtereinrichtung mit geschalteten Kapazitäten.

Country Status (5)

Country Link
US (1) US4908579A (de)
EP (1) EP0307276B1 (de)
JP (1) JPS6471314A (de)
DE (1) DE3885396T2 (de)
FR (1) FR2619973B1 (de)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04312014A (ja) * 1991-04-11 1992-11-04 Matsushita Electric Ind Co Ltd スイッチトキャパシタフィルタおよびその回路
US5142238A (en) * 1991-07-18 1992-08-25 Silicon Systems, Inc. Switched-capacitor differential amplifier
US5269313A (en) * 1991-09-09 1993-12-14 Sherwood Medical Company Filter and method for filtering baseline wander
ES2080660B1 (es) * 1993-11-02 1997-07-01 Lozano Rico Santiago Zocalo para rele que intercala un modulo electronico.
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
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
US6049706A (en) 1998-10-21 2000-04-11 Parkervision, Inc. Integrated frequency translation and selectivity
US6542722B1 (en) * 1998-10-21 2003-04-01 Parkervision, Inc. Method and system for frequency up-conversion with variety of transmitter configurations
US6370371B1 (en) 1998-10-21 2002-04-09 Parkervision, Inc. Applications of universal frequency translation
US6560301B1 (en) 1998-10-21 2003-05-06 Parkervision, Inc. Integrated frequency translation and selectivity with a variety of filter embodiments
US7236754B2 (en) 1999-08-23 2007-06-26 Parkervision, Inc. Method and system for frequency up-conversion
US7039372B1 (en) 1998-10-21 2006-05-02 Parkervision, Inc. Method and system for frequency up-conversion with modulation embodiments
US6061555A (en) 1998-10-21 2000-05-09 Parkervision, Inc. Method and system for ensuring reception of a communications signal
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
US6704549B1 (en) 1999-03-03 2004-03-09 Parkvision, Inc. Multi-mode, multi-band communication system
US6704558B1 (en) 1999-01-22 2004-03-09 Parkervision, Inc. Image-reject down-converter 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
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
US8295406B1 (en) 1999-08-04 2012-10-23 Parkervision, Inc. Universal platform module for a plurality of communication protocols
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
US6552676B1 (en) * 2001-09-14 2003-04-22 Nokia Corporation Method and apparatus for power reduction in switched capacitor circuits
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
TWI280690B (en) * 2003-03-18 2007-05-01 Tdk Corp Electronic device for wireless communications and reflector device for wireless communication cards
CN101861699A (zh) * 2007-11-15 2010-10-13 卡贝无线硅股份有限公司 使用多个时钟的抽样滤波器
TWI656729B (zh) * 2017-10-31 2019-04-11 瑞昱半導體股份有限公司 放大器電路及相關的接收器

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4405899A (en) * 1979-03-01 1983-09-20 Motorola, Inc. High pass filter and method of making same
FR2471699A1 (fr) * 1979-12-12 1981-06-19 Trt Telecom Radio Electr Dispositif de filtrage comportant des reseaux integrateurs a commutation de capacites

Also Published As

Publication number Publication date
FR2619973B1 (fr) 1990-01-05
EP0307276B1 (de) 1993-11-03
DE3885396D1 (de) 1993-12-09
EP0307276A1 (de) 1989-03-15
JPS6471314A (en) 1989-03-16
FR2619973A1 (fr) 1989-03-03
US4908579A (en) 1990-03-13

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Legal Events

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