There exists a unique class of RF output electron tubes known as the Vircator.   This
stands for Virtual Cathode Oscillator.  These tubes are capable of producing extremely
large bursts of RF energy .  Currently, Hudson Research Inc is the only domestic
manufacturer of these tubes. OUr version is a cold cathode design known as
the Vircatron™

Advanced 3 Terminal Design  No Filament  (Cold Cathode) Specify Output Frequency range Standard Tube 200MHz > 2 GHz Multiple Output Coupling Techniques available Operating voltage 10KV to 1MV Compact Lightweight Ruggedized Version available (50,000G rated) 3" diameter x 8" long  3 pounds      * Flange shown not present in        production devices.
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