US5684438A
|
|
Microwave filter including a plurality of cross-coupled dielectric resonators
|
ITMI951149D0
|
|
System of coupling between cavities without communicating walls in multicavity filters
|
ITMI951150D0
|
|
Duplexer which can be tuned in a broad frequency range
|
ITMI942668D0
|
|
Multicavity filter with reinjection at the base
|
ITMI942667D0
|
|
Highly directive coupler with interdigitated capacitance
|
ITMI942669D0
|
|
Filter with coaxial resonators in folded sheet metal box structures
|
ITMI942666D0
|
|
Band-pass and band-rejection resonator and corresponding filters
|
GB9425432D0
|
|
System to combine high frequency signals
|
ITMI930513A1
|
|
System for compensating resonant cavities in waveguides
|
US5243305A
|
|
Method to make microwave coupler with maximal directivity and adaptation and relevant microstrip coupler
|