DE68922511D1 - Integrierte Tiefpass-Filterschaltung. - Google Patents

Integrierte Tiefpass-Filterschaltung.

Info

Publication number
DE68922511D1
DE68922511D1 DE68922511T DE68922511T DE68922511D1 DE 68922511 D1 DE68922511 D1 DE 68922511D1 DE 68922511 T DE68922511 T DE 68922511T DE 68922511 T DE68922511 T DE 68922511T DE 68922511 D1 DE68922511 D1 DE 68922511D1
Authority
DE
Germany
Prior art keywords
pass filter
filter circuit
integrated low
integrated
low
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
DE68922511T
Other languages
English (en)
Other versions
DE68922511T2 (de
Inventor
Cornelis Joosse
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 Electronics 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 Electronics NV filed Critical Philips Electronics NV
Application granted granted Critical
Publication of DE68922511D1 publication Critical patent/DE68922511D1/de
Publication of DE68922511T2 publication Critical patent/DE68922511T2/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
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/46—One-port networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H7/00—Multiple-port networks comprising only passive electrical elements as network components
    • H03H7/01—Frequency selective two-port networks
    • H03H7/06—Frequency selective two-port networks including resistors

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Networks Using Active Elements (AREA)
  • Filters And Equalizers (AREA)
  • Semiconductor Integrated Circuits (AREA)
DE68922511T 1988-02-19 1989-02-13 Integrierte Tiefpass-Filterschaltung. Expired - Fee Related DE68922511T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL8800421 1988-02-19

Publications (2)

Publication Number Publication Date
DE68922511D1 true DE68922511D1 (de) 1995-06-14
DE68922511T2 DE68922511T2 (de) 1996-01-18

Family

ID=19851818

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68922511T Expired - Fee Related DE68922511T2 (de) 1988-02-19 1989-02-13 Integrierte Tiefpass-Filterschaltung.

Country Status (5)

Country Link
US (1) US4994774A (de)
EP (1) EP0329245B1 (de)
JP (1) JPH01265607A (de)
KR (1) KR0161271B1 (de)
DE (1) DE68922511T2 (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI88829C (fi) * 1990-03-29 1993-07-12 Nokia Mobile Phones Ltd Foerfarande och krets foer reducering av mikrofoni
US5144154A (en) * 1990-05-21 1992-09-01 Keithley Instruments, Inc. Range changing using N and P channel FETS
US5161131A (en) * 1991-05-17 1992-11-03 Recoton, Inc. In line switchable audio enhancement device for CD adapter
US5554957A (en) * 1993-12-17 1996-09-10 Imp, Inc. Programmable function current mode signal module
US5691658A (en) * 1994-05-24 1997-11-25 Imp, Inc. Current mode amplifier, rectifier and multi-function circuit
US7230476B1 (en) * 2005-01-18 2007-06-12 Inphi Corporation Bipolar high impedance element
JP4647361B2 (ja) * 2005-03-29 2011-03-09 ルネサスエレクトロニクス株式会社 半導体集積回路
US20100289566A1 (en) * 2009-05-14 2010-11-18 Jimmy Ko Amplitude AC noise filter with universal IEC connection
IT1394636B1 (it) * 2009-06-23 2012-07-05 St Microelectronics Rousset Circuito di generazione di un segnale di riferimento per un convertitore a/d di un trasduttore acustico microelettromeccanico e relativo metodo
US8253471B2 (en) * 2009-10-09 2012-08-28 Fairchild Semiconductor Corporation High impedance bias network
EP2798665A4 (de) * 2011-12-27 2015-07-01 Dh Technologies Dev Pte Ltd Hochspannungsstromversorgungsfilter
CN102545845B (zh) * 2012-02-20 2014-11-05 中国船舶重工集团公司第七一一研究所 船舶机舱转速传感器信号调理模块
CN104247272B (zh) * 2012-04-19 2017-06-13 丰田自动车株式会社 Δς调制器以及δς型a/d变换器
JP6519972B2 (ja) * 2014-02-07 2019-05-29 株式会社リコー ハイパスフィルタ回路及びバンドパスフィルタ回路
EP3490145B1 (de) * 2017-11-28 2021-09-29 ams International AG Tiefpassfilteranordnung
US11387811B2 (en) 2020-10-16 2022-07-12 Semiconductor Components Industries, Llc Noise filter

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3305801A (en) * 1964-08-06 1967-02-21 Hartenstein Raymond George Variable time constant smoothing circuit
US3524081A (en) * 1968-04-04 1970-08-11 Us Army S-filter
US3529266A (en) * 1968-08-12 1970-09-15 Us Army Continuously and dynamically variable pin diode attenuator
US3588533A (en) * 1968-08-15 1971-06-28 Westinghouse Electric Corp Low frequency band-pass filter for use in failsafe applications
CH520444A (de) * 1970-08-04 1972-03-15 Bbc Brown Boveri & Cie Differenzverstärker
GB1585081A (en) * 1976-01-07 1981-02-25 Perkin Elmer Ltd Scanning spectrophotometers
US4219745A (en) * 1978-06-15 1980-08-26 The United States Of America As Represented By The Secretary Of The Air Force Backlash filter apparatus
JPS59117815A (ja) * 1982-12-25 1984-07-07 Nippon Gakki Seizo Kk 電気抵抗制御回路
US4539617A (en) * 1983-12-28 1985-09-03 Control Concepts Corporation AC Power line transient suppressing circuit
US4601061A (en) * 1984-07-02 1986-07-15 Motorola Inc. Automatic frequency control circuit having an equalized closed loop frequency response

Also Published As

Publication number Publication date
JPH01265607A (ja) 1989-10-23
EP0329245B1 (de) 1995-05-10
KR890013878A (ko) 1989-09-26
US4994774A (en) 1991-02-19
DE68922511T2 (de) 1996-01-18
EP0329245A1 (de) 1989-08-23
KR0161271B1 (ko) 1999-03-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

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

8339 Ceased/non-payment of the annual fee