Lumped element directional filter

Wave transmission lines and networks – Plural channel systems – Having branched circuits

Patent

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Details

333112, 333132, H03H 701

Patent

active

051246740

ABSTRACT:
A directional filter is provided implemented with passive lumped elements in several embodiments from a general 18-element network, to an intermediate ten-element embodiment and a simple two-element filter each with features and advantages depending on the application. In general, a directional filter with lumped elements requires less physical area with similar performance characteristics as conventional transmission lines which is desirable in technologies such as MMIC.

REFERENCES:
patent: 2942209 (1960-06-01), Cohn
patent: 3781718 (1973-12-01), Gittinger

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