Means for improving the collector efficiency of an emitting sole

Electric lamp and discharge devices: systems – Combined load device or load device temperature modifying... – Discharge device load with distributed parameter-type...

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313103, 315 538, 330 43, H01J 2534

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active

042074959

ABSTRACT:
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.

REFERENCES:
patent: 2807744 (1957-09-01), Lerbs
patent: 2890372 (1959-06-01), Dench
patent: 3046443 (1962-07-01), Dench
patent: 3069587 (1962-12-01), Dench
patent: 3069594 (1962-12-01), Feinstein
patent: 3084279 (1963-04-01), Osepchuk
patent: 3197672 (1965-07-01), Favre
patent: 3273006 (1966-09-01), Osepchuk
patent: 3384782 (1968-05-01), Reddish

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