Safran CORTEX CRT Quantum User Manual page 45

IF Reception
1.6.1.
1.6.1.1. Analog Reception
1.6.1.1.1. IF Stages

IF input stages

IF input ports

Input bandwidth

Input impedance

VSWR

Isolation between channels

Aliasing rejection

Maximum noise level

(or No = - 96 dBm/Hz for 40 MHz noise bandwidth)

AGC range (CRT XL Quantum)

AGC range (CRT eXplorer)

AGC time constant

AGC mode
1.6.1.1.2. Auxiliary Inputs
Two Auxiliary input ports allow receiving baseband or IF signals for test purposes (example: TC demodulation at
IF):

Input ports

Input signal

Input bandwidth


Input signal level

AGC

Input impedance
© Safran Data Systems
COMMAND RANGING & TELEMETRY UNIT CORTEX
CRT QUANTUM USER'S MANUAL
3
2 per input stage (Nominal & Alternate)
50 to 90 MHz (- 3 dB bandwidth)
50 Ω
≤ 1.25
≥ 80 dB
≥ 80 dB
- 20 dBm
- 15 to -105 dBm
- 15 to -120 dBm
0.1, 1, 10, 100 or 1,000 ms
Analog AGC : Non coherent
Digital AGC : Non coherent before carrier acquisition
then coherent (for PM and direct PCM, in a few Hz)
2
Baseband or IF signal
At baseband
At IF
At baseband
At IF
No
50 Ω
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It cannot be duplicated or distributed without expressed written consent.
Ref.
Is.Rev.
Date:
30, 2021
: DC to 20 MHz
: 0 to 90 MHz
: 0.1 to 0.5 Vpp
: 0 to - 20 dBm
DTU 100042
5.17
Dec. 03, 2021Sept.
Page 20