US3875538A
(en )
1975-04-01
Microwave bandpass filter
US3237130A
(en )
1966-02-22
Four-port directional coupler with direct current isolated intermediate conductor disposed about inner conductors
ES412856A1
(es )
1975-12-16
Un filtro de microlaminas.
US2297513A
(en )
1942-09-29
Transmission line
US2477635A
(en )
1949-08-02
High-frequency switch
US2648000A
(en )
1953-08-04
Control of wave length in wave guides
US3210767A
(en )
1965-10-05
Frequency independent unidirectional antennas
IE45925B1
(en )
1982-12-29
Improvements in or relating to micro-wave filters
US4019162A
(en )
1977-04-19
Coaxial transmission line with reflection compensation
US2685065A
(en )
1954-07-27
Microwave power divider
US2784381A
(en )
1957-03-05
Hybrid ring coupling arrangements
SU362383A1
(enrdf_load_stackoverflow )
1972-12-13
ES371269A1
(es )
1971-09-01
Perfeccionamientos en la fabricacion de cables electricos de alta frecuencia.
US3286202A
(en )
1966-11-15
Coupler for distributing microwave energy among a plurality of terminals
US3528038A
(en )
1970-09-08
Tapered line directional coupler
US4034316A
(en )
1977-07-05
Circuit arrangement in strip line technique for a wide band balancing element
GB1285660A
(en )
1972-08-16
Improvements in or relating to high frequency electromagnetic wave circulators
US2577510A
(en )
1951-12-04
Microwave filter
US3535659A
(en )
1970-10-20
Waveguide hybrid junctions
US2558748A
(en )
1951-07-03
Radio-frequency filter
US2721295A
(en )
1955-10-18
Magnetron
SU1309125A1
(ru )
1987-05-07
Микрополосковый фильтр
GB1257217A
(enrdf_load_stackoverflow )
1971-12-15
US3229233A
(en )
1966-01-11
Variable power division hybrid ring directional coupler
US3219950A
(en )
1965-11-23
Low-loss continuously variable delay line