Tunable diplexers in three-dimensional (3D) integrated circuits (IC) (3DIC) and related components and methods
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United States of America Patent
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Nov 7, 2017
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app pub date -
Mar 24, 2016
filing date -
May 6, 2013
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Abstract
Tunable diplexers in three-dimensional (3D) integrated circuits (IC) (3DIC) are disclosed. In one embodiment, the tunable diplexer may be formed by providing one of either a varactor or a variable inductor in the diplexer. The variable nature of the varactor or the variable inductor allows a notch in the diplexer to be tuned so as to select a band stop to eliminate harmonics at a desired frequency as well as control the cutoff frequency of the pass band. By stacking the elements of the diplexer into three dimensions, space is conserved and a variety of varactors and inductors are able to be used.
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