NO911416L - Hoeyfrekvensfiltergruppe med minst ett frekvensvariabelt filter. - Google Patents

Hoeyfrekvensfiltergruppe med minst ett frekvensvariabelt filter.

Info

Publication number
NO911416L
NO911416L NO91911416A NO911416A NO911416L NO 911416 L NO911416 L NO 911416L NO 91911416 A NO91911416 A NO 91911416A NO 911416 A NO911416 A NO 911416A NO 911416 L NO911416 L NO 911416L
Authority
NO
Norway
Prior art keywords
frequency
filter
group
filter group
variable filter
Prior art date
Application number
NO91911416A
Other languages
English (en)
Norwegian (no)
Other versions
NO911416D0 (no
Inventor
Gerard Ernest Emile Forterre
Original Assignee
Tekelec Airtronic Sa
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 Tekelec Airtronic Sa filed Critical Tekelec Airtronic Sa
Publication of NO911416D0 publication Critical patent/NO911416D0/no
Publication of NO911416L publication Critical patent/NO911416L/no

Links

Classifications

    • 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
    • H01P1/207—Hollow waveguide filters
    • H01P1/208—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure
    • H01P1/2084—Cascaded cavities; Cascaded resonators inside a hollow waveguide structure with dielectric resonators
NO91911416A 1990-04-12 1991-04-11 Hoeyfrekvensfiltergruppe med minst ett frekvensvariabelt filter. NO911416L (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9004747A FR2661042B1 (fr) 1990-04-12 1990-04-12 Arrangement de filtre haute frequence comportant au moins un filtre a frequence variable.

Publications (2)

Publication Number Publication Date
NO911416D0 NO911416D0 (no) 1991-04-11
NO911416L true NO911416L (no) 1991-10-14

Family

ID=9395729

Family Applications (1)

Application Number Title Priority Date Filing Date
NO91911416A NO911416L (no) 1990-04-12 1991-04-11 Hoeyfrekvensfiltergruppe med minst ett frekvensvariabelt filter.

Country Status (4)

Country Link
EP (1) EP0452211A1 (fi)
FI (1) FI911760A (fi)
FR (1) FR2661042B1 (fi)
NO (1) NO911416L (fi)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5127757A (fi) * 1974-09-02 1976-03-08 Hitachi Ltd
FR2539565A1 (fr) * 1983-01-19 1984-07-20 Thomson Csf Filtre hyperfrequence accordable, a resonateurs dielectriques en mode tm010
US4521746A (en) * 1983-08-31 1985-06-04 Harris Corporation Microwave oscillator with TM01δ dielectric resonator
US4661790A (en) * 1983-12-19 1987-04-28 Motorola, Inc. Radio frequency filter having a temperature compensated ceramic resonator
EP0235123B1 (en) * 1985-07-08 1991-11-21 Space Systems / Loral, Inc. Narrow bandpass dielectric resonator filter

Also Published As

Publication number Publication date
FR2661042A1 (fr) 1991-10-18
EP0452211A1 (fr) 1991-10-16
NO911416D0 (no) 1991-04-11
FR2661042B1 (fr) 1992-08-14
FI911760A (fi) 1991-10-13
FI911760A0 (fi) 1991-04-11

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