BR7708131A - Filtro de passagem-rejeicao de banda para sistema de telecomunicacao - Google Patents

Filtro de passagem-rejeicao de banda para sistema de telecomunicacao

Info

Publication number
BR7708131A
BR7708131A BR7708131A BR7708131A BR7708131A BR 7708131 A BR7708131 A BR 7708131A BR 7708131 A BR7708131 A BR 7708131A BR 7708131 A BR7708131 A BR 7708131A BR 7708131 A BR7708131 A BR 7708131A
Authority
BR
Brazil
Prior art keywords
band pass
telecommunication system
reject filter
reject
filter
Prior art date
Application number
BR7708131A
Other languages
English (en)
Inventor
G Brambilla
Original Assignee
Siemens Spa Italiana
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 Siemens Spa Italiana filed Critical Siemens Spa Italiana
Publication of BR7708131A publication Critical patent/BR7708131A/pt

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P7/00—Resonators of the waveguide type
    • H01P7/005—Helical resonators; Spiral resonators
    • 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
    • H03H7/1791—Combined LC in shunt or branch path
BR7708131A 1976-12-16 1977-12-07 Filtro de passagem-rejeicao de banda para sistema de telecomunicacao BR7708131A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT30456/76A IT1074089B (it) 1976-12-16 1976-12-16 Filtro passa-reiettabanda per sistemi di telecomunicazioni

Publications (1)

Publication Number Publication Date
BR7708131A true BR7708131A (pt) 1978-09-05

Family

ID=11229774

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7708131A BR7708131A (pt) 1976-12-16 1977-12-07 Filtro de passagem-rejeicao de banda para sistema de telecomunicacao

Country Status (8)

Country Link
US (1) US4182997A (pt)
AU (1) AU515523B2 (pt)
BR (1) BR7708131A (pt)
DE (1) DE2756019A1 (pt)
IN (1) IN148537B (pt)
IT (1) IT1074089B (pt)
MX (1) MX143376A (pt)
NZ (1) NZ185985A (pt)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54151351A (en) * 1978-04-24 1979-11-28 Nec Corp Dielectric resonator
US4334203A (en) * 1980-04-09 1982-06-08 Broadcast Electronics, Inc. Second harmonic suppressor for power amplifier tank circuit
US4433315A (en) * 1981-11-24 1984-02-21 General Electric Company Tunable coupling network
US4445100A (en) * 1982-01-28 1984-04-24 Electronics, Missiles & Communications, Inc. Coupling block assembly with band-reject filter
US4679001A (en) * 1985-10-11 1987-07-07 International Business Machines Corporation Adaptive stop-notch filter
JPH073681Y2 (ja) * 1989-06-16 1995-01-30 東光株式会社 ヘリカルフィルタ
US5032807A (en) * 1989-07-10 1991-07-16 General Instrument Corporation Notch filter using helical transmission line and coaxial capacitor
FI110148B (fi) * 1993-09-10 2002-11-29 Filtronic Lk Oy Useita resonaattoreita käsittävä radiotaajuussuodatin
FI95851C (fi) * 1993-09-10 1996-03-25 Lk Products Oy Siirtojohtoresonaattorin sähköinen taajuudensäätökytkentä sekä säädettävä suodatin
DE19509644A1 (de) * 1995-03-17 1996-09-19 Thomson Brandt Gmbh Filterschaltung
FI97922C (fi) * 1995-03-22 1997-03-10 Lk Products Oy Esto/päästö-suhteeltaan parannettu suodatin
AU2002356810A1 (en) * 2001-10-16 2003-04-28 Rfstream Corporation Monolithic integrated circuit for a television receiver
FR2835092B1 (fr) * 2002-01-23 2004-03-05 Bruker Biospin Sa Module de filtre de type l-c et filtre helicoidal compose d'au moins deux tels modules
US20060217095A1 (en) * 2005-03-11 2006-09-28 Takatsuga Kamata Wideband tuning circuit
CN101138153A (zh) * 2005-03-11 2008-03-05 Rf信息公司 射频电感-电容滤波器电路拓扑
JP6084030B2 (ja) * 2012-12-27 2017-02-22 ルネサスエレクトロニクス株式会社 半導体装置およびフィルタ回路の調整方法
CN107833750A (zh) * 2017-10-17 2018-03-23 长兴蓝天电子有限公司 一种高可靠性电动汽车充电桩谐振滤波电容器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL49884C (pt) * 1937-05-17
US2969460A (en) * 1957-10-14 1961-01-24 Collins Radio Co Adjustable high-frequency tuning unit
US3293644A (en) * 1964-07-13 1966-12-20 Motorola Inc Wave trap system for duplex operation from a single antenna
US3733608A (en) * 1971-12-09 1973-05-15 Motorola Inc Circuit for coupling radio receiver and radio transmitter to a common antenna for duplex operation

Also Published As

Publication number Publication date
NZ185985A (en) 1981-04-24
DE2756019A1 (de) 1978-06-29
MX143376A (es) 1981-04-27
AU3090377A (en) 1979-05-31
US4182997A (en) 1980-01-08
IT1074089B (it) 1985-04-17
AU515523B2 (en) 1981-04-09
IN148537B (pt) 1981-03-28

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