STA400A Datasheet - ST Microelectronics

STA400A XMRADIO SDARS CHANNEL DECODER

The SDARS is a satellite transmission system based on two geostationary satellites on the East and West coasts of the Continental United States (CONUS). In the urban areas, where the line of sight reception of the satellites is difficult or not possible, the service is covered by terrestrial repeate.

STA400A XMRADIO® SDARS CHANNEL DECODER FRONT END INTERFACE s TWO INTERNAL 10 BIT A/D CONVERTERS s TWO QPSK DEMODULATORS FOR SATELLITE BRANCH s ONE MULTICARRIER DEMODULATOR FOR TERRESTRIAL BRANCH s SATELLITE SYMBOL FREQUENCY: 1.64 MBAUD s TERRESTRIAL SYMBOL FREQUENCY: 2.99 MBAUD s DIGITAL ROOT RAISED COSINE NYQUIST FILTER: 15% ROLL-OFF s FFT LENGTH: 768 SUB-CARRIERS s FULL DIGITAL CARRIER AND FREQUENCY RECOVERY AND TRACKING LOOPS s FREQUENCY INVERSION COMPENSATION FOR HIGH-SIDE/LOW-SIDE MIXER INJ.

STA400A_STMicroelectronics.pdf