PS20313 Datasheet, PDF (7/26 Pages) List of Unclassifed Manufacturers – DVB-S Satellite Demodulator

PS20313
Additional Features
• 2-wire bus microprocessor interface
• All-digital clock and carrier recovery
• On-chip PLL clock generation using a low cost
10 to 16 MHz crystal (or external clock)
• 3.3/1.8 V operation
• 64 pin LQFP package
• Low external component count
• Commercial temperature range 0 to 70°C
• External MPEG clock option
Demodulator
• BPSK or QPSK programmable
• Optional fast acquisition mode for low symbol
rates
Viterbi
• Programmable decoder rates 1/2, 2/3, 3/4, 5/6,
6/7, 7/8
• Automatic spectrum resolution of IQ phase
• Constraint length k = 7
• Trace back depth 128
• Extensive SNR and BER monitors
De-Interleaver
• Compliant with DVB and DSS standards
Reed-Solomon
• (204, 188) for DVB and (146,130) for DSS
• Reed-Solomon bit-error-rate monitor to indicate
Viterbi performance
De-Scrambler
• EBU specification de-scrambler for DVB mode
Outputs
• MPEG transport parallel & serial output
• Three output clocking modes for maximum
flexibility
• Integrated MPEG2 TEI bit processing for DVB only
Application Support
• Windows based evaluation software
• ANSI-C compliant software
PLESSEY SEMICONDUCTORS LTD
TAMERTON ROAD | ROBOROUGH | PLYMOUTH | DEVON | PL6 7BQ
6