ATE202663T1 - Gestapeltes aktives filter - Google Patents

Gestapeltes aktives filter

Info

Publication number
ATE202663T1
ATE202663T1 AT96307697T AT96307697T ATE202663T1 AT E202663 T1 ATE202663 T1 AT E202663T1 AT 96307697 T AT96307697 T AT 96307697T AT 96307697 T AT96307697 T AT 96307697T AT E202663 T1 ATE202663 T1 AT E202663T1
Authority
AT
Austria
Prior art keywords
transistors
active filter
collector
base electrodes
stages
Prior art date
Application number
AT96307697T
Other languages
English (en)
Inventor
Nicholas Mihailovits
Trevor Peter Beatson
Original Assignee
Mitel Semiconductor Ltd
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
Priority claimed from GBGB9522366.5A external-priority patent/GB9522366D0/en
Priority claimed from GBGB9522365.7A external-priority patent/GB9522365D0/en
Application filed by Mitel Semiconductor Ltd filed Critical Mitel Semiconductor Ltd
Application granted granted Critical
Publication of ATE202663T1 publication Critical patent/ATE202663T1/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
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1213—Frequency selective two-port networks using amplifiers with feedback using transistor amplifiers

Landscapes

  • Networks Using Active Elements (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Filtering Materials (AREA)
  • External Artificial Organs (AREA)
  • Materials For Photolithography (AREA)
AT96307697T 1995-11-01 1996-10-24 Gestapeltes aktives filter ATE202663T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9522366.5A GB9522366D0 (en) 1995-11-01 1995-11-01 Active filter stack
GBGB9522365.7A GB9522365D0 (en) 1995-11-01 1995-11-01 Folded active filter stack

Publications (1)

Publication Number Publication Date
ATE202663T1 true ATE202663T1 (de) 2001-07-15

Family

ID=26308028

Family Applications (2)

Application Number Title Priority Date Filing Date
AT96307697T ATE202663T1 (de) 1995-11-01 1996-10-24 Gestapeltes aktives filter
AT96307696T ATE199615T1 (de) 1995-11-01 1996-10-24 Gefaltetes aktives filter

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT96307696T ATE199615T1 (de) 1995-11-01 1996-10-24 Gefaltetes aktives filter

Country Status (6)

Country Link
US (2) US5912587A (de)
EP (2) EP0772294B1 (de)
JP (2) JPH09214286A (de)
AT (2) ATE202663T1 (de)
DE (2) DE69611967T2 (de)
ES (1) ES2154791T3 (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100317176B1 (ko) * 1997-11-28 2002-01-16 니시무로 타이죠 필터회로
US6552580B2 (en) * 1999-05-24 2003-04-22 Level One Communications Inc. Bias technique for operating point control in multistage circuits
GB0027069D0 (en) 2000-11-06 2000-12-20 Lsi Logic Europ Ltd Transconductance continuous time filter circuit
JP3644387B2 (ja) * 2001-01-10 2005-04-27 ソニー株式会社 フィルタ回路
US7161442B2 (en) * 2003-01-06 2007-01-09 United Microelectronics Corp. Latch system comprising an action module to increase negative resistance
US6885245B2 (en) * 2003-04-08 2005-04-26 Via Technologies, Inc. Differential amplifier and comparator using the same
KR100618354B1 (ko) * 2005-02-04 2006-08-31 삼성전자주식회사 교차 연결된 트랜지스터를 이용하는 초광대역 필터
US7408409B2 (en) * 2006-06-27 2008-08-05 Intel Corporation Amplifier circuit with cross-coupled cascode transistors
US7733165B2 (en) * 2007-02-27 2010-06-08 Infineon Technologies Ag Circuit arrangement with interference protection
DE102010026629A1 (de) * 2010-07-09 2012-01-12 Rohde & Schwarz Gmbh & Co. Kg Linearer differentieller Verstärker mit hoher Eingangsimpedanz
US9184957B2 (en) 2012-12-27 2015-11-10 Intel Corporation High speed receivers circuits and methods

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL6501840A (de) * 1965-02-13 1966-08-15
NL6908784A (de) * 1969-06-10 1970-12-14
JPS59181807A (ja) * 1983-03-31 1984-10-16 Toshiba Corp トランジスタ増幅器
US4514704A (en) * 1983-08-26 1985-04-30 Curtis Douglas R Variable filter circuit
SE457922B (sv) * 1987-06-18 1989-02-06 Ericsson Telefon Ab L M Anordning vid aktivt filter samt anvaendning daerav
US5081423A (en) * 1988-07-28 1992-01-14 Kabushiki Kaisha Toshiba Integrator and active filter including integrator with simple phase compensation
US5225790A (en) * 1992-02-28 1993-07-06 Digital Equipment Corporation Tunable wideband active filter
US5489878A (en) * 1994-11-23 1996-02-06 Analog Devices Current-controlled quadrature oscillator based on differential gm /C cells

Also Published As

Publication number Publication date
US5912587A (en) 1999-06-15
DE69613536T2 (de) 2002-04-11
ES2154791T3 (es) 2001-04-16
DE69611967D1 (de) 2001-04-12
DE69613536D1 (de) 2001-08-02
EP0772295B1 (de) 2001-06-27
EP0772295A1 (de) 1997-05-07
DE69611967T2 (de) 2001-06-21
ATE199615T1 (de) 2001-03-15
US5847605A (en) 1998-12-08
JPH09199988A (ja) 1997-07-31
EP0772294A1 (de) 1997-05-07
EP0772294B1 (de) 2001-03-07
JPH09214286A (ja) 1997-08-15

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Legal Events

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