TANDBERG SM6610, Справочное руководство

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Reference Guide: SM6610, SM6615, SM6620 and SM6625 Satellite Modulators Page 7-1
ST.RE.E10152.2
Chapter 7
7. Equipment Description
Contents
7.1 Scope of this Chapter................................................ 7-3
7.2 Basic DVB-S and DVB-DSNG Principles and
Techniques................................................................ 7-3
7.2.1 DVB-S Modulation ........................................ 7-3
7.2.2 DVB-DSNG Modulation ................................ 7-3
7.2.3 Forward Error Correction and Interleaving ... 7-4
7.3 Modulator Functional Description.............................. 7-4
7.3.1 Introduction................................................... 7-4
7.3.2 Baseband Card............................................. 7-5
Transport Stream Interface........................... 7-5
Transport Stream Rate Adaptation............... 7-5
Transport Stream De-jittering ....................... 7-6
DVB Encoding .............................................. 7-6
PREKOR™ Dynamic Pre-correction
(S13133 Card Only)...................................... 7-6
7.3.3 Output Card.................................................. 7-6
S10310 IF Output Card ................................ 7-6
S11291 L-Band Output Card........................ 7-6
7.3.4 S11340 Host Controller Card ....................... 7-7
7.3.5 S13450 DVB ASI & SPI Input Card
(Option)......................................................... 7-7
Transport Stream Interface........................... 7-7
Additional ASI Information ............................ 7-7
List of Figures
Figure 7.1: BPSK and QPSK Constellations ................................. 7-3
Figure 7.2: 8PSK and 16QAM Constellations ............................... 7-4
Figure 7.3: Functional Block Diagram – IF Output Models
SM6610 and SM6620................................................... 7-8
Figure 7.4: Functional Block Diagram – L-Band Output
Models SM6615 and SM6625...................................... 7-9