Means for Improving the Collector Efficiency of an Emitting Sole Crossed Field Amplifier.
DEPARTMENT OF THE AIR FORCE WASHINGTON DC
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Crossed field amplifier collector efficiency is improved by decreasing the ratio of electron velocities to r.f. signal wave velocity at the output end of the amplifier slow wave circuit. In a preferred embodiment of the invention this is accomplished by tapering the sole emitting cathode so as to increase the cathode-slow wave circuit spacing in the output end of the interaction region prior to the collector. Alternatively, an increasing r.f. signal phase velocity taper can be used to provide the required decreased electron velocities to r.f. signal wave velocity ratio. Author
- Electrical and Electronic Equipment