Satellite receiver implemented in single chip

Silicon Laboratories Inc. has moved to a single-chip implementation of a direct-broadcast satellite (DBS) receiver, tucking a tuner, demodulator and low-noise-block power controller into one CMOS device. The SiRX receiver could make it possible to place all DBS RF front-end functions within a USB dongle, the company said, although Silicon Labs expects that traditional designs still will use the chip in set-top boxes or residential gateways.

“There is an advantage for the equipment designer in that integration in and of itself simplifies board design and lowers BOM [bill-of-materials] costs,” said Mark Thompson, director of marketing at Silicon Labs (Austin, Texas). “But there is an advantage for the end user in the additional functionality provided by the chip.”