Plug-in filter network for separating a communication frequency

Wave transmission lines and networks – Wave-shaping

Patent

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Details

325 3, 333 11, 333110, 333202, H01P 120

Patent

active

041594541

ABSTRACT:
A filter network for separating a transmitted communication frequency into discrete channels. A separator, exemplified by a triplexer, includes a pluggable mid-range high Q bandpass filter and a diplexer of low Q bandpass filters. Circulators receive signals reflected from the high Q filter and pass them to the low Q filters. A combiner circuit takes the attenuated signal from the low Q filters and sends it through a circulator to a high Q plug in filter where the signal passes through a circulator where it is combined with the signal from the high Q filter of the separator as output.

REFERENCES:
patent: 4109202 (1978-08-01), Kudsia et al.

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