Diplexer
AssigneeAlcatel
InventorsJustine Vanoverschelde, Georges Coury, Lucien Loval
Life of this patent
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Abstract
The invention refers to a diplexer, particularly for use in microwave devices, comprising a low-pass filter and a high-pass filter, both having inductors and capacitors. It is suggested that at least one inductor of each of said filters is provided as an active inductor.
Claims5
A diplexer, particularly for use in microwave devices, comprising a low-pass filter and a high-pass filter, both having inductors and capacitors, wherein at least one inductor of each of said filters is provided as an active inductor.
The diplexer of any of the preceding claims, wherein said low-pass filter comprises series and parallel branches, the series branches having inductor elements and active inductors alternately arranged, and the parallel branches having inductor elements and capacitor elements serially connected.
The diplexer of any of the preceding claims, wherein said high-pass filter comprises series and parallel branches, the series branches having capacitor elements, and the parallel branches having either inductor elements or active inductors, and capacitor elements serially connected.
Dependencies are inferred from the claim text.