Programmable mixer and radio applications thereof

Programmable mixer for reducing local oscillator feedthrough...

Programmable mixer for reducing local oscillator feedthrough...

Programmable modulation index for transponder

Programmable radio

Programmable radio receiver bandpass filter for...

Programmable sampling band pass filter

Programmable sampling band pass filter

Programmable television receiver controllers

Programming method and/or equipment for audio or video appliance

Programming-on-demand cable system and method

Proportional digital control for radio frequency synthesizers

Proportional diversity radio receiver system

Proportional diversity radio receiver system with dynamic noise-

Protective helmet containing an integral transceiver

Protective sports helmet with speakers, helmet retrofit kit and

Providing channel filtering in an automatic frequency...

PTT radio system

Public alert and advisory systems

Pulse code modulation of laser pulse tail