Safran CORTEX CRT Quantum, User Manual

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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 35
1.6.10.
Optional RF Stage
Available only with the option Embedded Frequency Converter
1.6.10.1.
Down Convertor Specifications

RF input stages 3

RF input ports 1 per input stage (Nominal)

Input frequency 930 to 2400 MHz

Input impedance 50
Ω

Output frequency 70MHz +/- 20MHz

Output impedance 50
Ω

Return loss > 15 dB (both Input & Output)

Input level From -20dBm to -105dBm

Maximum total power level < -20dBm (or No=-110dBm/Hz for 1GHz noise limited bandwidth)

Independent spurious level < -90 dBm signal dependent at max gain in output bandwith

Gain 2 modes available:
- Automatic control mode
- Manual mode:
from +10dB to +25dB with Model S105576
from +15dB to +30dB with Model S108984

Noise Figure Typical 12dB @ maximum gain with Model S105576
Typical 10dB @ maximum gain with Model S108984
1.6.10.2.
Up Convertor Specifications

RF output stages 2

RF output ports 1 per input stage (Nominal)

Output frequency 950 to 2400 MHz

Output impedance 50
Ω

Input frequency 70MHz +/- 20MHz

Input impedance 50
Ω

Return loss > 15 dB (both Input & Output)

Mute (ON/OFF) > 60dB

Output level from +5dBm to -80dBm

Dependent spurious level < -60 dBc in output bandwidth @Pout > -20dBm

Noise density < -112 dBm/Hz