Safran CORTEX CRT Quantum - High Bandwidth PCM: Single Viterbi Decoding

COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
Ref. DTU 100042
Is.Rev. 5.17
Date: Dec.
03, 2021Sept. 30, 2021
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Page 82
3.3.7.4. High Bandwidth PCM: Single Viterbi Decoding
a- Nominal case (TMU table/offset 26 = 0. GUI: Frame Sync. Input = Internal):
PCM/PM,
BPSK,
QPSK,
OQPSK
demodulator
& B/S
IF inputs
Aux. inputs
BP, DM-M
decoder
Viterbi
decoder
Differential
decoder
Frame
Synchronizer
Differential
encoder
Invert/
swap
I out
(Option)
(Option)
I
Q
b- External Input to Frame Synchronizer (TMU table/offset 26 = 1. GUI: Frame Sync. Input = Ext.
F/S):
I in
Viterbi
decoder
differential
decoder
Frame
Synchronizer
(Option)
differential
encoder
invert/
swap
I out
(Option)
PCM/PM,
BPSK,
QPSK,
OQPSK
demodulator
& B/S
IF inputs
Aux. inputs
BP, DM-M
decoder
(Option)
I rail
Q rail