Patent Number: 7,786,826

Title: Apparatus with acoustically coupled BAW resonators and a method for matching impedances

Abstract: An apparatus includes a first bulk acoustic wave (BAW) device including a first impedance and a second BAW device including a second impedance, wherein the first and second impedances are different and the first and second BAW devices are acoustically coupled.

Inventors: Thalhammer; Robert (Munich, DE), Handtmann; Martin (Munich, DE), Kaitila; Jyrki (Riemerling, DE), Nessler; Winfried (Munich, DE), Elbrecht; Lueder (Munich, DE)

Assignee: Avago Technologies Wireless IP (Singapore) Pte. Ltd.

International Classification: H03H 9/54 (20060101); H03H 7/38 (20060101)

Expiration Date: 8/31/12018