DE3887835D1 - Bandpass-Filteranordnung. - Google Patents

Bandpass-Filteranordnung.

Info

Publication number
DE3887835D1
DE3887835D1 DE88202667T DE3887835T DE3887835D1 DE 3887835 D1 DE3887835 D1 DE 3887835D1 DE 88202667 T DE88202667 T DE 88202667T DE 3887835 T DE3887835 T DE 3887835T DE 3887835 D1 DE3887835 D1 DE 3887835D1
Authority
DE
Germany
Prior art keywords
bandpass filter
filter arrangement
arrangement
bandpass
filter
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 - Lifetime
Application number
DE88202667T
Other languages
English (en)
Other versions
DE3887835T2 (de
Inventor
John David C O Philips Speake
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.)
Simoco International Ltd
Original Assignee
Philips Gloeilampenfabrieken 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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of DE3887835D1 publication Critical patent/DE3887835D1/de
Publication of DE3887835T2 publication Critical patent/DE3887835T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03J—TUNING RESONANT CIRCUITS; SELECTING RESONANT CIRCUITS
    • H03J3/00—Continuous tuning
    • H03J3/02—Details
    • H03J3/16—Tuning without displacement of reactive element, e.g. by varying permeability
    • H03J3/18—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance
    • H03J3/185—Tuning without displacement of reactive element, e.g. by varying permeability by discharge tube or semiconductor device simulating variable reactance with varactors, i.e. voltage variable reactive diodes
    • 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
    • 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
    • H03H7/17—Structural details of sub-circuits of frequency selective networks
    • H03H7/1741—Comprising typical LC combinations, irrespective of presence and location of additional resistors
    • H03H7/1775—Parallel LC in shunt or branch path
DE3887835T 1987-11-27 1988-11-24 Bandpass-Filteranordnung. Expired - Lifetime DE3887835T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8727832A GB2213005A (en) 1987-11-27 1987-11-27 Bandpass filter circuit arrangement

Publications (2)

Publication Number Publication Date
DE3887835D1 true DE3887835D1 (de) 1994-03-24
DE3887835T2 DE3887835T2 (de) 1994-08-04

Family

ID=10627648

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3887835T Expired - Lifetime DE3887835T2 (de) 1987-11-27 1988-11-24 Bandpass-Filteranordnung.

Country Status (7)

Country Link
US (1) US5028894A (de)
EP (1) EP0318119B1 (de)
JP (1) JP2755631B2 (de)
KR (1) KR0131603B1 (de)
DE (1) DE3887835T2 (de)
FI (1) FI92532C (de)
GB (1) GB2213005A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0406962A3 (en) * 1989-07-07 1991-04-17 N.V. Philips' Gloeilampenfabrieken A filter
GB2247125B (en) * 1990-08-16 1995-01-11 Technophone Ltd Tunable bandpass filter
US5189593A (en) * 1991-11-04 1993-02-23 Motorola, Inc. Integrated distributed resistive-capacitive network
FI94298C (fi) * 1993-03-03 1995-08-10 Lk Products Oy Menetelmä ja kytkentä suodatintyypin vaihtamiseksi
US6262638B1 (en) * 1998-09-28 2001-07-17 Axcelis Technologies, Inc. Tunable and matchable resonator coil assembly for ion implanter linear accelerator
US6667539B2 (en) 2001-11-08 2003-12-23 International Business Machines Corporation Method to increase the tuning voltage range of MOS varactors
DE10202475B4 (de) * 2002-01-23 2010-11-18 Rohde & Schwarz Gmbh & Co. Kg Abstimmbares Filterelement und abstimmbares Bandpaßfilter
US7146014B2 (en) 2002-06-11 2006-12-05 Intel Corporation MEMS directional sensor system
JP4726741B2 (ja) * 2005-12-20 2011-07-20 日置電機株式会社 可変容量回路、電圧測定装置および電力測定装置
JP5106798B2 (ja) * 2006-06-22 2012-12-26 日置電機株式会社 電圧測定装置
FR2906946B1 (fr) * 2006-10-06 2008-12-19 Thales Sa Filtre tractable rapide
ES2552380T3 (es) 2009-07-01 2015-11-27 Biedermann Technologies Gmbh & Co. Kg Instrumentos para su uso con un anclaje óseo con elemento de cierre

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2997672A (en) * 1956-05-17 1961-08-22 Glenn M Reinsmith Coupling of resonant circuitry
US3110004A (en) * 1961-04-21 1963-11-05 Avco Corp Frequency selector using voltage-sensitive capacitors for tuning and bandwidth control
DE1919625B2 (de) * 1969-04-22 1977-01-20 Philips Patentverwaltung Gmbh, 2000 Hamburg Empfaenger-eingangsschaltung, insbesondere fuer mittelwelle
GB1295850A (de) * 1969-12-24 1972-11-08
US3624514A (en) * 1970-01-09 1971-11-30 Philips Corp Tuning circuit having common tuning element for three frequency ranges and self-oscillating mixer using same
DE2321462C3 (de) * 1973-04-27 1983-05-11 Siemens AG, 1000 Berlin und 8000 München Bandpaßfilter für den Rundfunk- und Fernsehbereich
US3903487A (en) * 1974-05-01 1975-09-02 Gte International Inc Multi-circuit selection filter for two different frequency ranges
US4316108A (en) * 1979-09-25 1982-02-16 Rogers Jr Walter M Tracking filter for FM threshold extension
JPS5881340A (ja) * 1981-11-11 1983-05-16 Matsushita Electric Ind Co Ltd 複同調回路
FR2555847B1 (fr) * 1983-11-25 1987-03-20 Radiotechnique Filtre de preselection de canaux, notamment pour recepteur de television operant dans une bande etendue de frequences
US4586007A (en) * 1984-10-22 1986-04-29 Rca Corporation Notch filter
US4703292A (en) * 1985-03-04 1987-10-27 Sony Corporation Tuning circuit apparatus
SU1417178A1 (ru) * 1985-10-01 1988-08-15 Предприятие П/Я В-2322 Перестраиваемый полосовой фильтр
GB2213004A (en) * 1987-11-27 1989-08-02 Philips Electronic Associated Bandpass filter circuit arrangement

Also Published As

Publication number Publication date
GB8727832D0 (en) 1987-12-31
US5028894A (en) 1991-07-02
GB2213005A (en) 1989-08-02
FI885457A0 (fi) 1988-11-24
DE3887835T2 (de) 1994-08-04
FI92532B (fi) 1994-08-15
FI92532C (fi) 1994-11-25
EP0318119A2 (de) 1989-05-31
JPH01170209A (ja) 1989-07-05
FI885457A (fi) 1989-05-28
KR890009074A (ko) 1989-07-15
KR0131603B1 (ko) 1998-10-01
EP0318119B1 (de) 1994-02-16
EP0318119A3 (de) 1991-03-13
JP2755631B2 (ja) 1998-05-20

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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: PHILIPS ELECTRONICS N.V., EINDHOVEN, NL

8327 Change in the person/name/address of the patent owner

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

8327 Change in the person/name/address of the patent owner

Owner name: SIMOCO INTERNATIONAL LTD., CAMBRIDGE, GB

8330 Complete disclaimer