LTCC based electronically tunable multilayer microstrip-stripline combline filter
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app pub date -
Oct 11, 2006
filing date -
Feb 5, 2003
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Abandoned
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Abstract
An embodiment of the present invention provides an apparatus, comprising a multilayer filter including a first resonator on a first layer of dielectric material or low-temperature-co fired-ceramic, a second resonator coupled to the first resonator on a second layer of dielectric material or low-temperature-co fired-ceramic, a third resonator coupled to the second resonator and cross coupled to the first resonator, and wherein a voltage tunable dielectric capacitor is connected to at least one of the resonators to electrically tune the multilayer filter.
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