Comtech-ef-data DST Manual do Utilizador descarregar pdf (Página 64)

Digital Satellite Terminal System Revision 1

Operation MN/DST.IOM

A–6

Figure A-4. Minimum Symbol Rte versus Satellite Uncertainty For Multi-Carrier Applications

With a 1.0 ppm Modem

Minimum Symbol Rate (vs) Satellite Uncertainty

0

5

10

15

20

25

30

35

40

45

50

0 5 10 15 20 25 30

Satellite Uncertainty (+/- kHz)

Minimum Symbol Rate (ksps)

BUC = +/- 0.02 ppm, Modem +/- 1.0 ppm

Ku-Band

LNB = +/- 3

ppm

C-Band

LNB = +/- 3 ppm

Ku-Band or C-Band

LNB = +/- 0.02 ppm

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