CH591784A5 - - Google Patents

Info

Publication number
CH591784A5
CH591784A5 CH991575A CH991575A CH591784A5 CH 591784 A5 CH591784 A5 CH 591784A5 CH 991575 A CH991575 A CH 991575A CH 991575 A CH991575 A CH 991575A CH 591784 A5 CH591784 A5 CH 591784A5
Authority
CH
Switzerland
Application number
CH991575A
Original Assignee
Thielscher Gerhard Thielscher
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 Thielscher Gerhard Thielscher filed Critical Thielscher Gerhard Thielscher
Publication of CH591784A5 publication Critical patent/CH591784A5/xx

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
    • 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
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers
CH991575A 1974-07-31 1976-07-30 CH591784A5 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2436966A DE2436966C3 (de) 1974-07-31 1974-07-31 Bandfilter

Publications (1)

Publication Number Publication Date
CH591784A5 true CH591784A5 (fr) 1977-09-30

Family

ID=5922078

Family Applications (1)

Application Number Title Priority Date Filing Date
CH991575A CH591784A5 (fr) 1974-07-31 1976-07-30

Country Status (6)

Country Link
US (1) US4015224A (fr)
AT (1) AT340522B (fr)
CH (1) CH591784A5 (fr)
DE (1) DE2436966C3 (fr)
FR (1) FR2281004A1 (fr)
NL (1) NL169942C (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4087737A (en) * 1977-04-18 1978-05-02 Bell Telephone Laboratories, Incorporated Phase shifting circuit
DE2742785A1 (de) * 1977-09-23 1979-04-05 Bosch Gmbh Robert Aktives bandpassfilter
DE2813946C2 (de) * 1978-03-31 1980-01-31 Siemens Ag, 1000 Berlin Und 8000 Muenchen Filterschaltung mit einer biquadratischen Übertragungsfunktion
US4208635A (en) * 1978-08-14 1980-06-17 Scientific Micro Systems, Inc. Active filter and phase-locked loop using same
US4189681A (en) * 1978-09-29 1980-02-19 Neil Brown Instruments Systems, Inc. Bandpass filter having low passband phase shift
US4352074A (en) * 1980-02-01 1982-09-28 Westinghouse Electric Corp. Phase-locked loop filter
US4356451A (en) * 1980-06-16 1982-10-26 Wilson Harold E Active band pass filter
DE3213098C1 (de) * 1982-02-10 1983-10-06 thielscher-electronic GmbH, 4100 Duisburg Koppelfilter, insbesondere Eingangsfilter für Empfänger von Rundsteueranlagen
JPS58161413A (ja) * 1982-03-18 1983-09-26 Sony Corp 多目的フイルタ
US4511888A (en) * 1983-06-29 1985-04-16 U.S. Currency Protection Corp. Dual signal electromagnetic article theft detector
US4559529A (en) * 1983-06-29 1985-12-17 U.S. Currency Protection Corp. Antitheft system with digitally coded signal
AT384327B (de) * 1983-09-02 1987-10-27 Uher Ag Aktive rc-filteranordnung aus einem oder mehreren bandpassfiltern mit mehrfachgegenkopplung
DE3540294C1 (en) * 1985-11-13 1987-05-14 Thielscher Electronic G RC coupling filter, in particular input filter for centralised multistation control systems
US4663597A (en) * 1985-12-17 1987-05-05 Thielscher Electronic Gmbh RC coupling filter, especially an input filter, for receivers of centralized ripple control systems
JP2664675B2 (ja) * 1987-03-04 1997-10-15 株式会社東芝 バンドパスフイルタ
US5397945A (en) * 1992-08-04 1995-03-14 Samsung Semiconductor, Inc. Duty cycle control circuit
US5481914A (en) * 1994-03-28 1996-01-09 The Charles Stark Draper Laboratory, Inc. Electronics for coriolis force and other sensors
JP2001036400A (ja) * 1999-07-23 2001-02-09 Oki Electric Ind Co Ltd 縦続接続型インバータ回路及びリミティングアンプ
US7560982B2 (en) * 2007-01-05 2009-07-14 And Yet, Inc. Apparatus for reducing apparent capacitance in high frequency filter for power line

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3375451A (en) * 1965-06-17 1968-03-26 Nasa Usa Adaptive tracking notch filter system
FR1585490A (fr) * 1968-09-19 1970-01-23
US3731218A (en) * 1971-09-09 1973-05-01 United Aircraft Corp Active double tuned band pass filter
US3720881A (en) * 1972-01-17 1973-03-13 Kinetic Technology Inc Filter network having negative feedback loops
CH554618A (de) * 1972-07-24 1974-09-30 Zellweger Uster Ag Aktives filter.
US3783411A (en) * 1972-10-30 1974-01-01 R Libby Continuously variable oscillator and frequency modulator

Also Published As

Publication number Publication date
NL7508650A (nl) 1976-02-03
NL169942C (nl) 1982-09-01
DE2436966C3 (de) 1982-04-15
US4015224A (en) 1977-03-29
NL169942B (nl) 1982-04-01
FR2281004B1 (fr) 1978-02-24
FR2281004A1 (fr) 1976-02-27
DE2436966A1 (de) 1976-02-19
DE2436966B2 (de) 1977-05-26
AT340522B (de) 1977-12-27
ATA509975A (de) 1977-04-15

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Legal Events

Date Code Title Description
PL Patent ceased