| abstract |
The invention describes a filter arrangement and an electronic componentnin each case a bulk wave resonator unit, which is located on a carrier substrate (1)nlocated. Acoustic isolation of the generated vibrations is between the carrier substraten(1) and bulk wave resonator unit a reflection element (2) applied.nThis reflection element (2) can either consist of several layers alternatelynhigh and low impedance or if the impedance used is sufficiently lownSound reflection material consist of a single layer.n n n In addition, a mobile radio device, a transmitter, a receiver and a wireless data transmission system with such a filter arrangement and a method for producing an electronic component are described. |