DE69836362D1 - Tiefpassfilter mit Summierfunktion - Google Patents

Tiefpassfilter mit Summierfunktion

Info

Publication number
DE69836362D1
DE69836362D1 DE69836362T DE69836362T DE69836362D1 DE 69836362 D1 DE69836362 D1 DE 69836362D1 DE 69836362 T DE69836362 T DE 69836362T DE 69836362 T DE69836362 T DE 69836362T DE 69836362 D1 DE69836362 D1 DE 69836362D1
Authority
DE
Germany
Prior art keywords
pass filter
low pass
summing function
summing
function
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
DE69836362T
Other languages
English (en)
Other versions
DE69836362T2 (de
Inventor
Yutaka Takahashi
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.)
NEC Electronics Corp
Original Assignee
NEC Electronics Corp
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 NEC Electronics Corp filed Critical NEC Electronics Corp
Publication of DE69836362D1 publication Critical patent/DE69836362D1/de
Application granted granted Critical
Publication of DE69836362T2 publication Critical patent/DE69836362T2/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
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
DE69836362T 1997-09-09 1998-09-08 Tiefpassfilter mit Summierfunktion Expired - Fee Related DE69836362T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP09244134A JP3109461B2 (ja) 1997-09-09 1997-09-09 ローパスフィルタ
JP24413497 1997-09-09

Publications (2)

Publication Number Publication Date
DE69836362D1 true DE69836362D1 (de) 2006-12-21
DE69836362T2 DE69836362T2 (de) 2007-09-06

Family

ID=17114275

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69836362T Expired - Fee Related DE69836362T2 (de) 1997-09-09 1998-09-08 Tiefpassfilter mit Summierfunktion

Country Status (5)

Country Link
US (1) US6369645B1 (de)
EP (1) EP0902535B1 (de)
JP (1) JP3109461B2 (de)
CN (1) CN1144365C (de)
DE (1) DE69836362T2 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002150675A (ja) 2000-11-06 2002-05-24 Sony Corp 記録装置及び方法、再生装置及び方法、並びに記憶媒体
TW586264B (en) * 2003-04-14 2004-05-01 Realtek Semiconductor Corp Amplifying circuit
US20040251988A1 (en) * 2003-06-16 2004-12-16 Manish Sharma Adjustable phase change material resistor
TW595091B (en) * 2003-09-08 2004-06-21 Realtek Semiconductor Corp Low pass filter
US20050151576A1 (en) * 2003-09-23 2005-07-14 Chao-Cheng Lee Adjustable impedance circuit
TWI257767B (en) * 2005-03-03 2006-07-01 Realtek Semiconductor Corp Filtering device having multiple inputs and multiple feedback paths
US7268718B1 (en) * 2006-07-17 2007-09-11 Fortemedia, Inc. Capacitor-based digital-to-analog converter for low voltage applications
EP2346167A1 (de) * 2008-09-30 2011-07-20 Panasonic Corporation Resonator und überabtastungs-a/d-wandler
US8120417B2 (en) * 2009-07-20 2012-02-21 Texas Instruments Incorporated Transfer-function control in an active filter
US8901995B2 (en) * 2010-11-10 2014-12-02 Texas Instruments Incorporated Active low pass filter
CN103248336B (zh) * 2012-02-09 2016-04-06 联发科技股份有限公司 滤波器
US10056915B2 (en) * 2015-07-16 2018-08-21 Semiconductor Components Industries, Llc Digital-to-analog converter
US10340891B1 (en) * 2017-12-19 2019-07-02 Quantenna Communications, Inc. Differential elliptic filter with a single op-amp

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784924A (en) * 1972-01-31 1974-01-08 Us Navy Multi-input loop filter with independent bandwidth and response characteristics
US3916322A (en) * 1974-03-13 1975-10-28 Austin W Nelson Tone synthesizer for electronic musical instruments
JPS63300613A (ja) 1987-05-29 1988-12-07 Nec Corp 能動フィルタ
JPH01321716A (ja) 1988-06-23 1989-12-27 Nec Corp 能動フイルタ
US5049831A (en) * 1990-03-29 1991-09-17 Motorola, Inc. Single-ended input to differential output amplifier with integral two-pole filter
JPH0746083A (ja) * 1993-07-27 1995-02-14 Toshiba Corp 音声合成兼帯域制限回路及び低音増強回路
US5418492A (en) * 1993-10-01 1995-05-23 Industrial Technology Research Institute Fully differential non-op-amp-based positive feedback BJT biquad filter
JPH08307205A (ja) 1995-04-28 1996-11-22 Meidensha Corp 複数入力フィルタ回路
JPH08307204A (ja) 1995-04-28 1996-11-22 Meidensha Corp 複数入力フィルタ回路
US5614864A (en) * 1995-09-29 1997-03-25 Rockwell Science Center, Inc. Single-ended to differential converter with relaxed common-mode input requirements
KR19980082276A (ko) 1997-05-02 1998-12-05 김영환 디지탈 비디오 디스크 플레이어(dvdp)의 이퀄라이저

Also Published As

Publication number Publication date
EP0902535A3 (de) 2002-07-17
CN1144365C (zh) 2004-03-31
CN1214572A (zh) 1999-04-21
EP0902535B1 (de) 2006-11-08
EP0902535A2 (de) 1999-03-17
US6369645B1 (en) 2002-04-09
JP3109461B2 (ja) 2000-11-13
JPH1188114A (ja) 1999-03-30
DE69836362T2 (de) 2007-09-06

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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