Printed circuit mountable, self grounding, multiple filter modul

Printed circuit with inductively coupled printed coil elements a

Programmable, amplitude and phase, general transversal filter

Protection of high-power coaxial cables

Proximity coupler

Pulse code modulation with dynamic range limiting

Pulse generator utilizing superconducting apparatus

QAM receiver having automatic adaptive equalizer

Quadriphase shift keyed adaptive equalizer

Quartz crystal compensation circuit

R.F. impedance match control system

Radio frequency accelerating cavity having slotted irises for da

Radio frequency signal distribution device for use in a CATV sys

Radiocommunication system for confined spaces

Rat-race mixer circuit

Ratiometric autotuning algorithm for RF plasma generator

Real time amplitude control of electrical waves

Receiver

Receiver protector with multi-level STC attenuation

Recirculating broadband loop with tunable bandpass filter