Promax HD Ranger + Instrukcja Użytkownika Strona 98

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Przeglądanie stron 97
March 2015 10-91
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DVB-S2
Parameter Value Additional data
Modulation QPSK, 8PSK, 16APSK, 32APSK
Margin of power
measurement
From 35 dBμV to 115 dBμV 8PSK:
24 [email protected] GHz / 2 MSs;
34 [email protected] GHz / 27 MSs;
Measures Power, CBER, LBER, MER, C/N, BCH ESR,
Wrong Packets and Link Margin
Displayed data Numeric and level bar
Symbol rate 2 to 45 MSps QPSK, 8PSK, 16APSK, 32APSK
Roll-off (α) factor of
Nyquist filter
0.20, 0.25 and 0.35
Code Rate (8PSK) 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9, 9/10
Code Rate (QPSK) 3/5, 2/3, 3/4, 5/6, 8/9, 9/10
Spectral inversion ON, OFF Auto
Pilots Presence Indication
DSS
Parameter Value Additional data
Modulation QPSK
Margin of power
measurement
From 35 dBμV to 115 dBμV
Measures Power, CBER, VBER, MER, C/N and Noise
Margin
Displayed data Numeric and level bar
Symbol rate 20 Mbauds or variable Auto detected
Roll-off (α) factor of
Nyquist filter
0.20
Code Rate 1/2, 2/3, 6/7 and AUTO
Spectral Inversion ON, OFF Auto
Przeglądanie stron 97
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