Distributed-constant resistance for use as a high dissipation lo

Wave transmission lines and networks – Dissipating terminations for long lines – Fluid-cooling

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333 81A, 338217, 338308, H01P 126

Patent

active

044568940

ABSTRACT:
Conventional attenuators and matched loads for dissipating power at hyperfrequencies are uniform structures giving constant attenuation per unit length. This results in most power being dissipated at an input end. The present invention increases the maximum total power that such a resistance can dissipate by providing a non-uniform structure in which dissipation per unit length increases when going away from an input end, in such a manner that power is dissipated in a substantially uniform manner throughout the structure. A series resistance (3) between two parallel resistances (4 and 5) are in the shape of a sector of a circle.

REFERENCES:
patent: 2459857 (1949-01-01), Watts, Jr.
patent: 3678417 (1972-07-01), Ragan et al.
patent: 4126824 (1978-11-01), Thornburg et al.
patent: 4310812 (1982-01-01), De Bloois

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