IT1246748B - Sistema di filtraggio di segnali con bande ad alta e bassa frequenza e relativo dispositivo di implementazione. - Google Patents

Sistema di filtraggio di segnali con bande ad alta e bassa frequenza e relativo dispositivo di implementazione.

Info

Publication number
IT1246748B
IT1246748B IT02255890A IT2255890A IT1246748B IT 1246748 B IT1246748 B IT 1246748B IT 02255890 A IT02255890 A IT 02255890A IT 2255890 A IT2255890 A IT 2255890A IT 1246748 B IT1246748 B IT 1246748B
Authority
IT
Italy
Prior art keywords
signals
low frequency
frequency bands
filtering system
implementation device
Prior art date
Application number
IT02255890A
Other languages
English (en)
Other versions
IT9022558A1 (it
IT9022558A0 (it
Inventor
D Oro Enzo Cavalieri
Mario Bandera
Original Assignee
For E M
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 For E M filed Critical For E M
Priority to IT02255890A priority Critical patent/IT1246748B/it
Publication of IT9022558A0 publication Critical patent/IT9022558A0/it
Priority to EP19910121335 priority patent/EP0492302A3/en
Priority to US07/811,713 priority patent/US5311157A/en
Priority to CA002058186A priority patent/CA2058186A1/en
Publication of IT9022558A1 publication Critical patent/IT9022558A1/it
Application granted granted Critical
Publication of IT1246748B publication Critical patent/IT1246748B/it

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
    • H03H7/46—Networks for connecting several sources or loads, working on different frequencies or frequency bands, to a common load or source
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
    • H01P1/00—Auxiliary devices
    • H01P1/20—Frequency-selective devices, e.g. filters
    • H01P1/213—Frequency-selective devices, e.g. filters combining or separating two or more different frequencies
IT02255890A 1990-12-28 1990-12-28 Sistema di filtraggio di segnali con bande ad alta e bassa frequenza e relativo dispositivo di implementazione. IT1246748B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT02255890A IT1246748B (it) 1990-12-28 1990-12-28 Sistema di filtraggio di segnali con bande ad alta e bassa frequenza e relativo dispositivo di implementazione.
EP19910121335 EP0492302A3 (en) 1990-12-28 1991-12-12 System for filtering signals of high and low frequency bands, relevant implementation device
US07/811,713 US5311157A (en) 1990-12-28 1991-12-20 System for filtering signals of high and low frequency bands, and relevant implementation device
CA002058186A CA2058186A1 (en) 1990-12-28 1991-12-20 System for filtering signals of high and low frequency bands, and relevant implementation device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02255890A IT1246748B (it) 1990-12-28 1990-12-28 Sistema di filtraggio di segnali con bande ad alta e bassa frequenza e relativo dispositivo di implementazione.

Publications (3)

Publication Number Publication Date
IT9022558A0 IT9022558A0 (it) 1990-12-28
IT9022558A1 IT9022558A1 (it) 1992-06-29
IT1246748B true IT1246748B (it) 1994-11-26

Family

ID=11197820

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02255890A IT1246748B (it) 1990-12-28 1990-12-28 Sistema di filtraggio di segnali con bande ad alta e bassa frequenza e relativo dispositivo di implementazione.

Country Status (4)

Country Link
US (1) US5311157A (it)
EP (1) EP0492302A3 (it)
CA (1) CA2058186A1 (it)
IT (1) IT1246748B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100450677B1 (ko) * 2002-06-04 2004-10-01 삼성전자주식회사 고주파 잡음을 감소시키는 데이터 버스 구조를 가지는반도체 메모리 장치
SE527798C2 (sv) * 2004-10-19 2006-06-07 Powerwave Technologies Sweden Ett DC-extraherande arrangemang

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3124768A (en) * 1964-03-10 Resonator
GB731498A (en) * 1953-07-22 1955-06-08 Standard Telephones Cables Ltd Band pass filter for decimetric and centimetric waves
US3425006A (en) * 1967-02-01 1969-01-28 Johnson Service Co Cavity resonator with mode discriminating means
US3611198A (en) * 1970-05-04 1971-10-05 Zenith Radio Corp Frequency-selective coupling circuit for all-channel television antenna having uhf/vhf crossover network within uhf tuner
AU470870B2 (en) * 1973-10-29 1976-04-01 Matsushita Electric Industrial Co., Ltd. Filters employing elements with distributed constants
US3936776A (en) * 1975-03-10 1976-02-03 Bell Telephone Laboratories, Incorporated Interspersed double winding helical resonator with connections to cavity
SU690578A1 (ru) * 1978-04-06 1979-10-05 Предприятие П/Я А-7544 Частотно-разделительный фильтр
FR2534088B1 (fr) * 1982-10-01 1988-10-28 Murata Manufacturing Co Resonateur dielectrique
US5023866A (en) * 1987-02-27 1991-06-11 Motorola, Inc. Duplexer filter having harmonic rejection to control flyback
JPH01227530A (ja) * 1988-03-07 1989-09-11 Kokusai Electric Co Ltd 分波器
EP0369757A3 (en) * 1988-11-15 1991-03-27 Toko Kabushiki Kaisha Helical filter
DE3917315A1 (de) * 1989-05-27 1990-11-29 Bosch Gmbh Robert Antennenweiche
US4970480A (en) * 1989-06-09 1990-11-13 Hughes Aircraft Company Microwave diplexer
IT1246747B (it) * 1990-12-28 1994-11-26 For E M Sistema per sintonizzare risonatori dielettrici ad alta frequenza e risonatori cosi ottenuti.

Also Published As

Publication number Publication date
EP0492302A2 (en) 1992-07-01
US5311157A (en) 1994-05-10
IT9022558A1 (it) 1992-06-29
EP0492302A3 (en) 1994-06-15
IT9022558A0 (it) 1990-12-28
CA2058186A1 (en) 1992-06-29

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19971216