Termination device for an ultra-high frequency transmission line

Details Termination device for an ultra-high frequency transmission line Termination device for an ultra-high frequency transmission line

1981-07-08

1983-11-01

Gensler, Paul L.

Wave transmission lines and networks

Dissipating terminations for long lines

Fluid-cooling

333246, 338 61, H01P 126

Patent

active

044132417

ABSTRACT:
A termination device for a transmission line in which it is desired to reduce to a minimum the standing wave ratio resulting from the reflection of microwaves on a resistive load positioned at the end of the line. For this purpose and more particularly for a microstrip line comprising a conductor deposited on a dielectric substrate, whose lower face is metallized (earth plane), the conductor is extended by a trapezoidal resistive film, whose narrow end is connected to a metal coating connected to earth. Moreover, in order to compensate for the inductance of the load, two capacitors formed by metal deposits deposited on the substrate are connected to the resistive film.

REFERENCES:
patent: 3582833 (1971-06-01), Kordos
patent: 3678417 (1972-07-01), Ragan et al.
patent: 3761846 (1973-09-01), Tsuboi
patent: 4267531 (1981-05-01), Spinner et al.

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