Ridge waveguide to a partial H-plane waveguide transition

Electrically tuneable waveguide structure

Four-mode defected ground structure resonator

Notch filter with arrow-shaped embedded open-circuited stub

Waveguide E-plane filter structure

Filtering circuit with slot line resonators

Rectangular band-pass filter having recesses of less than one-quarter wavelength depth formed therein for fitting a dielectric insert with a superconductive film within the recesses

Circuit board equipped with a high-frequency component emitting interference waves

Power combiner using tri-plane antennas

Power combiner

Waveguide E-plane filter structure with controllable size

Low-noise-figure aperture antenna

Electrically tunable waveguide filter and waveguide tuning device

Waveguide E-plane filter structure

Tunable substrate integrated waveguide components

Slot-line type microwave device with a photonic band gap structure

DPDT RF switch and TMA using the same

Transmission line connecting structure and transmission/reception device

Method of producing a photonic bandgap structure on a microwave device and slot type antennas employing such a structure

Resonator, filter, and communication unit

Resonator, filter, communication apparatus

Waveguide E-plane RF bandpass filter with pseudo-elliptic response

Finline type microwave band-pass filter

Demultiplexer and multiplexer