Qorvo Us, Inc.

Jeff D Galipeau

Lawrence A Carastro

Scott M Knapp

A Bulk Acoustic Wave (BAW) filter includes a series branch coupled between an input node and an output node. The series branch has multiple BAW resonators that are coupled in series, wherein a first series resonator is coupled between a first node and a second node in the series branch. A first shunt resonator is coupled between the first node and a fixed voltage node, such as ground, and a second shunt resonator is coupled between the second node and the fixed voltage node. Further, a first inductor is coupled between the first node and the fixed voltage node, and a second inductor is coupled between the second node and the fixed voltage node. The first inductor and the second inductor are magnetically coupled to one another to generate a virtual inductance between the first node and the second node and in parallel with the first series resonator.

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Apopka, FL, United States of America

Jeff D Galipeau