If Modulation & Telemetry Simulation; Uplink Resources - Safran CORTEX CRT Quantum User Manual

3.4. If Modulation & Telemetry Simulation

Uplink Resources

3.4.1.
Factory setting of the IF Modulator depends on the Customer requirements (type of modulation, data bandwidth),
and CORTEX resources:
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Next sections describe the functional performances of the IFM for different mission scenarios:
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© Safran Data Systems
COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
IFM set to Video mode only: the IFM supports FM or PM modulation. The carrier is
modulated by any combination of video base band signals.
IFM set to PCM mode only: the IFM supports PCM/PM, PCM/FM, BPSK, QPSK, OQPSK
modulation. The carrier is modulated by a single PCM data stream.
IFM set to Video + PCM mode: the IFM supports scenarios 1 & 2 (see § 3.4.1.2.1.2 for
more details).
IFM set to PCM + PCM mode: the IFM supports scenario 2 as well as AQPSK modulation
(two asynchronous I & Q PCM data streams).
IFM set to CCSDS 415.1-B-1 mode: the IFM supports Data Relay satellite modulation
(refer to DTU 100211).
Color code:
: SPS software task
: Performed by hardware, firmware and/or software.
Connector label on the Interconnection Panel: italic characters.
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Safran Data Systems
.
Ref. DTU 100042
Is.Rev. 5.17
Date: Dec.
03, 2021Sept. 30, 2021
Page 111