Video + Pcm Input Signals - Safran CORTEX CRT Quantum User Manual

Video + PCM Input Signals

3.4.1.2.1.2.



TCU data
PCM
encoding
RNG sequence
TMS data
Figure 53: High Bandwidth Uplink Scenario with PCM and Video Input Signals (PM, FM)
© Safran Data Systems
COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
Next figure shows an IF Modulator set to Video + PCM mode for FM or PM modulation of
the IF carrier by a low bandwidth signal (low bandwidth TCU or RAU) and a high bandwidth
PCM signal (high bandwidth TMS).
IF modulation is limited to PM and FM.
Matched filters are not available.
Base-band
modulation
Mod.
index
Base-band
generation
Mod.
index
PCM
Sub-carrier
& convolutional
modulation
encoding
PCM
& convolutional
encoding
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Modulation
index
Video
Input
Interpolation
Modulation
index
Modulation
index
Safran Data Systems
.
Ref. DTU 100042
Is.Rev. 5.17
Date: Dec.
03, 2021Sept. 30, 2021
PM, FM IF
modulation filtering
(Option)
Noise
IF
outputs
(Option)
Page 114