STA400A - 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 repeaters adopting a MultiCarrier Modulation scheme. Designed for d.

Features

TE 3/5 s CONVOLUTIONAL TIME DEINTERLEAVER OVER 4.7 SEC s BLOCK DEINTERLEAVER OVER 2 RS BLOCKS s REED-SOLOMON DECODER: (255,223). UP TO 16 BYTES CORRECTION CAPABILITY. September 2003 TQFP144 ORDERING NUMBER: STA400A T H I S D E V I C E C A N B E S O L D O N LY TO CUSTOMERS THAT HAVE SIGNED A LICENSE AGREEMENT WITH XM SATELLITE RADIO. s s ENERGY DISPERSAL DESCRAMBLER SAT-SAT AND TERR-SAT DIVERSITY COMBINING BACK END INTERFACE s TWO PAYLOAD CHANNEL BITSTREAM INTERFACES s PAYLOAD CHANNEL SELECTION LOGIC s DESIGNED TO WORK WITH THE STA450A SERVICE AND SOURCE DECODER LOW POWER TECHNOLOGY s 1.8V.