Antenna switch modules and methods of making the same

摘要

Antenna switch modules and methods of making the same are provided. In certain implementations, an antenna switch module includes a package substrate, an integrated filter, and a silicon on insulator (SOI) die attached to the package substrate. The SOI die includes a capacitor configured to operate in the integrated filter and a multi throw switch for selecting amongst the RF signal paths. In some implementations, a surface mount inductor is attached to the package substrate adjacent the SOI die and is configured to operate in the integrated filter with the capacitor. In certain implementations, the inductor is formed from a conductive layer of the package substrate disposed beneath a layer of the package substrate used to attach the SOI die.

主权项

1. An antenna switch module comprising:
a package substrate implemented to receive one or more electrical components; a silicon on insulator (SOI) die including a first capacitor and a switch configured to be coupled to a plurality of radio frequency (RF) signal paths, the SOI die attached to the package substrate; and a first integrated filter configured to filter an RF signal received on a first RF signal path of the plurality of RF signal paths, the first integrated filter including the first capacitor of the SOI die and a first inductor.