Specifications

Theory of Operation SDM-309B Satellite Modem
5-5–8 MN/U-SDM309B Rev. #
Clock Phase Error ± 5%
Clock Loop Bandwidth Software Controlled
Clock Jitter 5% p to p Max
5.2.2.2 Viterbi Decoder Specifications
Bit Error Rate See Figure 5-8
Maximum Data Rate 6.4 Mb/s (Rate 1/2)
9.5 Mb/s (Rate 3/4)
Synchronization Time 8000 Bits, max
Output Fault Indicators Activity Detection of I & Q Data
Sign Bits and Descrambler Data
Raw BER Detection From 0 to 255 Bits Out of 1024 Samples
Differential Decoding 2 phase or none
Constant Length 7
I/O Connector DIN - 96 pin