US4168479A
(en )
1979-09-18
Millimeter wave MIC diplexer
US2531447A
(en )
1950-11-28
Hybrid channel-branching microwave filter
US2514779A
(en )
1950-07-11
Wave guide system
GB1275225A
(en )
1972-05-24
Multiple hybrid circuit
US4210881A
(en )
1980-07-01
Millimeter wave microstrip triplexer
US4168478A
(en )
1979-09-18
Apparatus for separating electrical signals of different frequencies
US2784381A
(en )
1957-03-05
Hybrid ring coupling arrangements
US2595680A
(en )
1952-05-06
Constant resistance pseudohybrid channel branching microwave filters
GB887195A
(en )
1962-01-17
Velocity modulation electron discharge device
GB1474291A
(en )
1977-05-18
Frequency-changer structures
SE317724B
(GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html )
1969-11-24
GB1605120A
(en )
1981-12-16
Electrical networks for use at high frequencies
GB973758A
(en )
1964-10-28
Low-noise amplifier
US3886499A
(en )
1975-05-27
High frequency electrical network with frequency dependent characteristics having a constant input resistance
US3451005A
(en )
1969-06-17
Negative resistance amplifier arrangement and method therefor
GB729405A
(en )
1955-05-04
Improvements in or relating to electric wave filters employing waveguides
US3479601A
(en )
1969-11-18
Balanced square-law microwave mixer
Jones
1965
Design of tunable combline filters of near-constant bandwidth
GB1356317A
(en )
1974-06-12
Wave-guide couplers
GB1355098A
(en )
1974-06-05
Rejection filter circuit
US3435384A
(en )
1969-03-25
Waveguide filter
GB1207019A
(en )
1970-09-30
Improvements in or relating to electromagnetic wave filters
GB1133801A
(en )
1968-11-20
Improvements in or relating to waveguide filters
GB845957A
(en )
1960-08-24
Improvements in or relating to electric wave filters
GB1294502A
(en )
1972-11-01
Frequency variable directional filter