.pi./2 power divider

1/2 Wavelength side coupled filter

14/12 GHz Duplexer

180 degrees hybrid coupler

180 degrees hybrid coupler

180.degree. hybrid tee

180.degree. power divider for a helix antenna

2:1 bandwidth, 4-way, combiner/splitter

2D transmission line-based apparatus and method

3-Position, 4-port waveguide switch

3dB directional coupler

3dB Waveguide directional coupler

90 Degree broadband MMIC hybrid

90° hybrid

90° power divider

Ablative RF ceramic block filters

Acoustic mirror

Acoustic wave branching filter having transmitting filter...

Acoustic wave device, resonator and filter

Acoustic wave filter and acoustic wave duplexer