Robert Duke, Inc

RF Test Instruments & RF Components Support for the Southeast US

Coaxial Components


 Microwave Connectorized  components for OEM and Test applications including:  Adapters,  Amplifiers Power and Low Noise, Attenuators, Couplers, Dividers,  Filters, Phase Shifters, Oscillators, and Terminations, Isolators and  Circulators.

Surface Mounts & MMIC Devices


Ceramic  Thick Film Substrates. State of the art MMIC's, GaAs FET's, and  Discrete Devices. Surface Mount Custom and Standard RF Resistors,  Attenuators, Thermal Management Devices, couplers, dividers, and low  pass filters. Spiral Inductors, Microstrip Transmission Lines for microwave components

Frequency Generation


State of the art Programmable Frequency Synthesizers, Phase-Locked Crystal Oscillators, Frequency Multipliers/Dividers, and Block up & down Converters



Powerstar uninterruptible power supplies (UPS) have become a valuable and important addition to US Navy ships and Cruise ships all over the world.