Safran CORTEX Series - Figure 61: if Signal Generation

HIGH DATA RATE RECEIVER
HDR-4G+ USER’S MANUAL
Ref. DTU 100782
Is.Rev 3.5
Date: June 1, 2021
© Safran Data Systems – IMP000074 e14r1
This document is the property of Safran Data Systems.
It cannot be duplicated or distributed without expressed written consent.
Page 168
Where:
C
carrier
: Carrier Level in dBm
C
noise
: Noise Level in a 1-Hz bandwidth in dBm/Hz
Note: For DVB-S2 and SCCC, E
s
/N
0
makes more sense due to VCM support.
Each Modulation Unit and the Noise Generator can contribute independently to both IF1 and IF2 as it is
shown on Figure 61: IF Signal Generation
.
Figure 61: IF Signal Generation
This makes the test modulator very flexible in terms of routing of logical modulating units.



0
= 

 

 10 log
10
󰇛

󰇜
MDU 1
MDU 2
MDU 3
MDU 4
Noise
Generator
IF 1
IF 2