Linear rf attenuator

Details Linear rf attenuator Linear rf attenuator

1978-11-29

1980-09-23

Gensler, Paul L.

Wave transmission lines and networks

Plural channel systems

Having branched circuits

332 49, 332 52, 33310381R, H03H 724

Patent

active

042245834

ABSTRACT:
A linear attenuator using a dc control current to change the rf resistance of PIN diodes in series and parallel with the load. As the control current changes, the rf resistance of the series diode varies inversely and the parallel diode varies directly providing attenuation which changes linearly as a function of the control current through the series diode.

REFERENCES:
patent: 3518585 (1970-06-01), Wilcox
patent: 3713037 (1973-01-01), Hopfer
patent: 3846724 (1974-11-01), Maier
patent: 4019160 (1977-04-01), Kam

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