Pcm Simulation; Doppler Simulation; Start-Up Menus - Safran CORTEX Series User Manual

1.6.6.4

PCM Simulation

Operating mode
PCM coding
PCM modulation
Polarity of transmitted NRZ-L
BER test capability
TM test ports
External Data & Clock
1.6.6.5

Doppler Simulation

Frequency range
Rate
1.6.7

Start-up Menus

The CORTEX HDR supports multiple start-up menus. See section 4.4.9 for more details on the
functionalities supported by each menu.
© Safran Data Systems – IMP000074 e14r1
HIGH DATA RATE RECEIVER
HDR-4G+ USER'S MANUAL
Fixed pattern:
ASCII-coded file on hard disk (32768 bytes)
Separate or merged I and Q data flows
Programmable pseudo-random pattern: 2
External Data + CLK (serial mode)
NRZ-L/M/S, DNRZ, BP-L/M/S
Convolutional code (Viterbi)
TCM (2/3, 2.25/3, 2.5/3, 2.75/3, 5/6 6D DSNG)
CCSDS Reed-Solomon
DVB Reed-Solomon
LDPC 7/8
ON or OFF
Normal or inverted
Yes (by the Demodulator)
BER measurement from recorded data on external Data+Clock
inputs
Data and Clock (I & Q)
Level: ECL single ended or differential (hard-wired at delivery)
Data: NRZ-L
Clock phase: 0°
Level: ECL differential (hard-wired at delivery)
Data: NRZ-L (serial mode)
Clock phase: 180°
Clock jitter: as per input clock jitter
Modulator board termination must be either voltage terminated
(unbalanced) or not (balanced). Factory setting: as per Customer
0 to +/- 2MHz
0 to 100 KHz/s
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Ref. DTU 100782
Is.Rev 3.5
Date: June 1, 2021
10 11 15 23
, 2 , 2 , 2
Safran Data Systems
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31
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