ATE42163T1 - Aktive filter. - Google Patents

Aktive filter.

Info

Publication number
ATE42163T1
ATE42163T1 AT85304713T AT85304713T ATE42163T1 AT E42163 T1 ATE42163 T1 AT E42163T1 AT 85304713 T AT85304713 T AT 85304713T AT 85304713 T AT85304713 T AT 85304713T AT E42163 T1 ATE42163 T1 AT E42163T1
Authority
AT
Austria
Prior art keywords
resistance
section
fdnr
intermediate terminal
series
Prior art date
Application number
AT85304713T
Other languages
English (en)
Inventor
Alan John Greaves
Phillip James Hunter
Original Assignee
British Telecomm
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 British Telecomm filed Critical British Telecomm
Application granted granted Critical
Publication of ATE42163T1 publication Critical patent/ATE42163T1/de

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
    • H03H11/10—Frequency selective two-port networks using negative impedance converters
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/46—One-port networks
    • H03H11/52—One-port networks simulating negative resistances
    • H03H11/525—Simulating frequency dependent negative resistance [FDNR]

Landscapes

  • Networks Using Active Elements (AREA)
AT85304713T 1984-07-05 1985-07-02 Aktive filter. ATE42163T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB848417159A GB8417159D0 (en) 1984-07-05 1984-07-05 Active filters
EP85304713A EP0171172B1 (de) 1984-07-05 1985-07-02 Aktive Filter

Publications (1)

Publication Number Publication Date
ATE42163T1 true ATE42163T1 (de) 1989-04-15

Family

ID=10563447

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85304713T ATE42163T1 (de) 1984-07-05 1985-07-02 Aktive filter.

Country Status (5)

Country Link
US (1) US4686486A (de)
EP (1) EP0171172B1 (de)
AT (1) ATE42163T1 (de)
DE (1) DE3569444D1 (de)
GB (1) GB8417159D0 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2365235B (en) * 2000-07-20 2004-07-21 British Broadcasting Corp A circuit for simulating an impedance
US6888214B2 (en) * 2002-11-12 2005-05-03 Micron Technology, Inc. Isolation techniques for reducing dark current in CMOS image sensors
US7088985B2 (en) * 2003-11-18 2006-08-08 Skyworks Solutions, Inc. Low-noise filter for a wireless receiver
RU2506694C1 (ru) * 2012-09-25 2014-02-10 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Южно-Российский государственный университет экономики и сервиса" (ФГБОУ ВПО "ЮРГУЭС") Прецизионный ограничитель спектра
CN109039035B (zh) * 2018-08-07 2019-09-10 上海海事大学 适应电网电抗变化的并网逆变器滤波器参数设计方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1413722A (en) * 1973-01-17 1975-11-12 Post Office Filter networks
GB1413721A (en) * 1973-01-17 1975-11-12 Post Office Subnetworks for filter ladder networks
GB1585097A (en) * 1976-06-23 1981-02-25 Post Office Active filter
US4185250A (en) * 1978-05-03 1980-01-22 Wescom Switching, Inc. Voice frequency RC active filter
US4315229A (en) * 1979-03-02 1982-02-09 The Post Office Bandstop filters
DE3200615A1 (de) * 1982-01-12 1983-07-21 Siemens AG, 1000 Berlin und 8000 München Schaltung zur simulation eines elektrischen zweipols

Also Published As

Publication number Publication date
US4686486A (en) 1987-08-11
GB8417159D0 (en) 1984-08-08
EP0171172A1 (de) 1986-02-12
EP0171172B1 (de) 1989-04-12
DE3569444D1 (en) 1989-05-18

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties