PIN Diode attenuator exhibiting reduced phase shift and capable

Wave transmission lines and networks – Attenuators

Patent

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Details

333238, H01P 122

Patent

active

043596991

ABSTRACT:
A variable attenuator is formed by a section of lossy transmission line having a plurality of PIN diodes in parallel with discrete sections of the line. A D.C. current flowing through the transmission line controls the effective resistances of the diodes and thereby varies the per unit length resistance of the line.

REFERENCES:
patent: 3518585 (1970-06-01), Wilcox
patent: 3870976 (1975-03-01), Krause
patent: 4310812 (1982-01-01), DeBloois

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