Safran CORTEX Series User Manual page 4

1.6.1.5 Filtering ................................................................................................................................................... 47
1.6.1.6 Viterbi Convolutional Decoding ............................................................................................................. 48
1.6.1.6.1 Viterbi ½ .............................................................................................................................................. 48
1.6.1.6.2 Viterbi ¼ .............................................................................................................................................. 48
1.6.1.7 De-scrambler ........................................................................................................................................... 49
1.6.1.8 Transport Layer (RS-DVB or asynchronous LDPC layer) ..................................................................... 49
1.6.1.9 BEM 4D 8PSK TCM DVB-S R-S .......................................................................................................... 50
1.6.1.10 VHR-DVB-S2 and CCSDS-SCCC standard ........................................................................................ 50
1.6.1.11 OQPSK/8PSK variable modulation ...................................................................................................... 50
1.6.2 Diversity Combining Unit and Antenna Combining .................................................................................. 51
1.6.3 Data Processing Unit ................................................................................................................................. 51
1.6.3.1 Frame Synchronization ........................................................................................................................... 51
1.6.3.2 Data Time-tagging .................................................................................................................................. 51
1.6.3.3 CRC Frame checking .............................................................................................................................. 51
1.6.3.4 CCSDS and ECSS Decoding .................................................................................................................. 52
1.6.3.5 LDPC Decoding ...................................................................................................................................... 52
1.6.3.6 Data Output ............................................................................................................................................. 52
1.6.4 Data Storage .............................................................................................................................................. 53
1.6.5 Playback ..................................................................................................................................................... 54
1.6.6 Test Modulator ........................................................................................................................................... 54
1.6.6.1 IF Modulation ......................................................................................................................................... 54
1.6.6.2 Noise Source ........................................................................................................................................... 54
1.6.6.3 Modulation .............................................................................................................................................. 54
1.6.6.4 PCM Simulation ...................................................................................................................................... 55
1.6.6.5 Doppler Simulation ................................................................................................................................. 55
1.6.7 Start-up Menus ........................................................................................................................................... 55
1.6.8 Frequency Reference .................................................................................................................................. 56
1.6.8.1 External Reference .................................................................................................................................. 56
1.6.8.2 Internal Reference ................................................................................................................................... 56
1.6.9 Time Code Reference ................................................................................................................................. 56
1.6.10 Mechanical - Environment ....................................................................................................................... 56
1.6.11 Supply ....................................................................................................................................................... 57
2 HARDWARE DESCRIPTION .......................................................................................................................... 58
2.1 CORTEX HDR INTEGRATION .................................................................................................................. 58
2.1.1 Hardware Configuration ............................................................................................................................ 58
2.1.2 PC-compatible Workstation ....................................................................................................................... 58
2.1.3 Demodulator board .................................................................................................................................... 59
2.1.3.1 Overview ................................................................................................................................................. 59
2.1.3.2 Separate IF inputs ................................................................................................................................... 59
2.1.4 Test Modulator Board ................................................................................................................................ 60
2.2 I/O CONNECTORS DEFINITION ............................................................................................................... 61
2.2.1 CPU Board I/Os ......................................................................................................................................... 61
2.2.2 Demodulator & Test Modulator I/Os ......................................................................................................... 61
2.2.2.1 HDR 4G/4G+ I/Os .................................................................................................................................. 61
2.2.2.2 Demodulator I/Os .................................................................................................................................... 62
2.2.2.2.1 Channel A & Channel B I/Os description ............................................................................................ 65
2.2.2.2.2 AIT Connector (LVDS Data Output - J73) description ....................................................................... 70
2.2.2.2.3 Demodulator inputs description ........................................................................................................... 71
2.2.2.3 Test Modulator I/Os ................................................................................................................................ 72
2.2.3 Output Data Definition and Timing ........................................................................................................... 73
2.2.3.1 Timing for all output types...................................................................................................................... 73
© Safran Data Systems - IMP000074 e14r1
HIGH DATA RATE RECEIVER
HDR-4G+ USER'S MANUAL
This document is the property of
It cannot be duplicated or distributed without expressed written consent.
Ref. DTU 100782
Is.Rev 3.5
Date: June 1, 2021
Safran Data Systems
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