Quarter wave microstrip directional coupler having improved dire

Quarter wave plate polarizer with two phase-shifting portions

Quarter-wave coaxial cavity resonator

Quartz crystal compensation circuit

Quartz crystal resonator, unit having resonator, oscillator...

Quasi active MIMIC circulator

Quasi dual-mode resonator

Quasi-elliptic function microstrip interdigital filter

Quasi-gaussian filter

Quasi-lumped resonator apparatus and method

Quasi-optical coupler with reduced diffraction

Quasi-optical integrated circuits

Quasi-optical waveguide filter

Quasi-passive, non-radioactive receiver protector device

Quasi-TEM mode dielectric filter

Quasi-toroidal inductor and resonator

Quasioptical band rejection filter

Quick connect waveguide coupler

Quick disconnect waveguide locking mechanism

Quick release connector for waveguide circuits