Filtering - Safran CORTEX Series User Manual

1.6.1.5

Filtering

(notes 1)
Filter type
Sampling rate
FIR response
Additional filters
Auto-adaptability
About DEAF please see the additional document....
© Safran Data Systems – IMP000074 e14r1
HIGH DATA RATE RECEIVER
HDR-4G+ USER'S MANUAL
Finite Impulse Response
Symmetrical (even or odd): 32 taps (even) or 31 taps (odd)
Asymmetrical: 16 taps on direct path I and Q, plus 16 complex taps (Q to I and I
to Q)
2 or 4 time the symbol rate
Characteristics defined in ASCII file
Raised Cosine
Root Raised Cosine (roll-off factor programmable)
GMSK (BT factor programmable)
Shaped filter for SOQPSK
Rejection filter HBF (sampling rate at 4 times the symbol rate with decimation
by 2 at the output)
Rejection low pass filter LPF
+/- 128 MHz @ 720 MHz IF
+/- 220 MHz @ 1.2 GHz IF
+/- 440 MHz @ 2.4 GHz IF
+/- 470 MHz @ 1.25 GHz IF
Static or Auto-adaptive: "Digital Equalization Automatic Filter", with learn and
save mode.
Ref.
Is.Rev
Date:
Safran Data Systems
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DTU 100782
3.5
June 1, 2021
.
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