DE2436966C3 - Bandfilter - Google Patents

Bandfilter

Info

Publication number
DE2436966C3
DE2436966C3 DE2436966A DE2436966A DE2436966C3 DE 2436966 C3 DE2436966 C3 DE 2436966C3 DE 2436966 A DE2436966 A DE 2436966A DE 2436966 A DE2436966 A DE 2436966A DE 2436966 C3 DE2436966 C3 DE 2436966C3
Authority
DE
Germany
Prior art keywords
filter
band
active
input
filters
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
Application number
DE2436966A
Other languages
German (de)
English (en)
Other versions
DE2436966A1 (de
DE2436966B2 (de
Inventor
Hans Dipl.-Phys. 4100 Duisburg Benzinger
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.)
THIELSCHER-ELECTRONIC GERHARD THIELSCHER 4100 DUISBURG DE
Original Assignee
THIELSCHER-ELECTRONIC GERHARD THIELSCHER 4100 DUISBURG DE
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-ELECTRONIC GERHARD THIELSCHER 4100 DUISBURG DE filed Critical THIELSCHER-ELECTRONIC GERHARD THIELSCHER 4100 DUISBURG DE
Priority to DE2436966A priority Critical patent/DE2436966C3/de
Priority to AT509975A priority patent/AT340522B/de
Priority to FR7521418A priority patent/FR2281004A1/fr
Priority to NLAANVRAGE7508650,A priority patent/NL169942C/xx
Priority to US05/600,907 priority patent/US4015224A/en
Publication of DE2436966A1 publication Critical patent/DE2436966A1/de
Priority to CH991575A priority patent/CH591784A5/xx
Publication of DE2436966B2 publication Critical patent/DE2436966B2/de
Application granted granted Critical
Publication of DE2436966C3 publication Critical patent/DE2436966C3/de
Expired 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
    • 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

Landscapes

  • Networks Using Active Elements (AREA)
DE2436966A 1974-07-31 1974-07-31 Bandfilter Expired DE2436966C3 (de)

Priority Applications (6)

Application Number Priority Date Filing Date Title
DE2436966A DE2436966C3 (de) 1974-07-31 1974-07-31 Bandfilter
AT509975A AT340522B (de) 1974-07-31 1975-07-02 Bandfilter
FR7521418A FR2281004A1 (fr) 1974-07-31 1975-07-08 Filtre passe-bande
NLAANVRAGE7508650,A NL169942C (nl) 1974-07-31 1975-07-21 Bandfilter.
US05/600,907 US4015224A (en) 1974-07-31 1975-07-31 Active band-pass filter
CH991575A CH591784A5 (enExample) 1974-07-31 1976-07-30

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
DE2436966A1 DE2436966A1 (de) 1976-02-19
DE2436966B2 DE2436966B2 (de) 1977-05-26
DE2436966C3 true DE2436966C3 (de) 1982-04-15

Family

ID=5922078

Family Applications (1)

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

Country Status (6)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540294C1 (en) * 1985-11-13 1987-05-14 Thielscher Electronic G RC coupling filter, in particular input filter for centralised multistation control systems

Families Citing this family (18)

* 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
US4559529A (en) * 1983-06-29 1985-12-17 U.S. Currency Protection Corp. Antitheft system with digitally coded signal
US4511888A (en) * 1983-06-29 1985-04-16 U.S. Currency Protection Corp. Dual signal electromagnetic article theft detector
AT384327B (de) * 1983-09-02 1987-10-27 Uher Ag Aktive rc-filteranordnung aus einem oder mehreren bandpassfiltern mit mehrfachgegenkopplung
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 (enExample) * 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.
US3803423A (en) * 1972-10-30 1974-04-09 Mi Inc Means for effecting continuously variable impedance elements

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3540294C1 (en) * 1985-11-13 1987-05-14 Thielscher Electronic G RC coupling filter, in particular input filter for centralised multistation control systems

Also Published As

Publication number Publication date
NL169942B (nl) 1982-04-01
CH591784A5 (enExample) 1977-09-30
US4015224A (en) 1977-03-29
DE2436966A1 (de) 1976-02-19
AT340522B (de) 1977-12-27
NL169942C (nl) 1982-09-01
FR2281004A1 (fr) 1976-02-27
ATA509975A (de) 1977-04-15
FR2281004B1 (enExample) 1978-02-24
NL7508650A (nl) 1976-02-03
DE2436966B2 (de) 1977-05-26

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
8339 Ceased/non-payment of the annual fee