Radio frequency energy detection circuitry

Radio frequency pulse transmitters

Radio frequency signal frequency converter

Radio frequency signal variable attenuation circuit

Radio frequency storage pulser

Radio frequency switch

Radio frequency switch for coupling an RF source to a load

Radio frequency switching circuit device

Radio signal safety facilities for controlling the operation of

Radio wall switch

Radiofrequency double pole single throw switch

Radioshielded assembly

Railroad rail signal receiver having frequency conversion and a

Railway locomotive ECP train line control

Railway power supply system and method for powering an...

Rain detector for irrigation control system

Raised split gate EFET and circuitry

Ram convertible look-up table based macrocell for PLDs

Ramp and pedestal control circuit

Ramp circuit for control loop