Playback; Test Modulator; If Modulation; Noise Source - Safran CORTEX Series User Manual

1.6.5

Playback

Operating Modes:
Data sources:
Replay data rate :
1.6.6

Test Modulator

1.6.6.1

IF Modulation

IF carrier frequency
IF output port
Output level
Output level setting accuracy
Output impedance / VSWR
IF stability
Unwanted emissions
1.6.6.2

Noise Source

Noise source
Noise density
Noise bandwidth
1.6.6.3

Modulation

Modulation
Symbol rate
Convolutional coding
© Safran Data Systems – IMP000074 e14r1
HIGH DATA RATE RECEIVER
HDR-4G+ USER'S MANUAL
Test Modulator mode: replay at IF level using the Test Modulator board
Data + Clock mode: Replay at the demodulator(s) PCM data outputs (Data +
Clock outputs)
Recorded files from a previous satellite pass
User files
Programmable up to 800 Mbps
Programmable over the range 520 MHz to 2.2 GHz and 1.8 GHz to
3.2 GHz
2
-5 dBm to -50 dBm (optimal -10 dBm to -40 dBm) (0.05 dB steps)
 2 dBm
50  / 1.3
As per reference clock (internal or external)
Better than -40 dBc @ -10 dBm output level
ON/OFF
-93 dBm/Hz to -130 dBm/Hz (1 dB steps)
2 GHz
BSPK , QPSK , OQPSK (SQPSK)
UQPSK (AQPSK, AUQPSK, AUSQPSK)
8PSK, 16QAM, 16APSK, 32APSK, 64APSK
Up to 2.0 Gbauds (may vary depending on selected encoding
scheme)
Compliant to CCSDS recommendation (See characteristics in 0)
Single or Dual encoding mode, rate ½, parallel mode (stacked
Viterbi)
TCM
Ref.
Is.Rev
Date:
Safran Data Systems
This document is the property of
It cannot be duplicated or distributed without expressed written consent.
DTU 100782
3.5
June 1, 2021
.
Page 54