Planar tunable YIG filter
Plane type strip line filter in which strip line is shortened an
Plane type strip line filter in which strip line is shortened an
Plane type strip line filter in which strip line is shortened an
Plane type strip-line filter in which strip line is shortened an
Plane type strip-line filter in which strip line is shortened an
Plane type strip-line filter in which strip line is...
Pluricavities microwave filter having cavities oriented in a saw
Point detect filter
Polar dielectric filter and dielectric duplexer incorporating sa
Polarity reversal network
Preselector filter with tunable narrowband excision
Printed bandpass filter for a double conversion tuner
Printed circuit board filter having rows of vias defining a...
Printed circuit board helical resonator and filter apparatus
Printed wiring board assembly with self-compensating ground...
Pseudo-elliptical filter for the millimeter band using waveguide
Q Enhanced resonator
Quadruple mode filter
Quasi-elliptic function microstrip interdigital filter