Patent ID: 7501912
Filing Date: 2009-03-10
Classification: H03H

Abstract:
1. A radio frequency (RF) signal processing device, the device comprising: a common terminal; a plurality of filters, wherein each of the filters is one of a surface acoustic wave (SAW) filter, a bulk acoustic wave (BAW) filter, and a thin film bulk acoustic resonator (FBAR) filter; a plurality of matching capacitors corresponding to the plurality of filters, each capacitor having a first electrode directly connected to the corresponding filter and having a second electrode, wherein the second electrodes of all of the matching capacitors are directly connected together to the common terminal; and one of an inductor and a transmission line connected between the common terminal and ground, wherein capacitance values (C wherein C wherein C wherein L is an inductance value of the one of an inductor and a transmission line connected between the common terminal and ground, and wherein (F