Safran CORTEX CRT Quantum - High Bandwidth PCM: Dual + Differential Decoding

COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
Ref. DTU 100042
Is.Rev. 5.17
Date: Dec.
03, 2021Sept. 30, 2021
© Safran Data Systems
This document is the property of Safran Data Systems.
It cannot be duplicated or distributed without expressed written consent.
Page 90
3.3.7.7. High Bandwidth PCM: Dual + Differential decoding
a- Nominal case (TMU table/offset 26 = 0. GUI: Frame Sync. Input = Internal):
interleaving
Frame
Synchronizer
interleaving
differential
encoder
invert/
swap
differential
encoder
I out Q out
Viterbi
decoder
Viterbi
decoder
PCM/PM,
BPSK,
QPSK,
OQPSK
demodulator
& B/S
IF inputs
Aux. inputs
BP, DM-M
decoder
(Option)
(Option)
I rail
Q rail
DQPSK,
DOQPSK
decoding