July 2015
9
2
A1.1.5
Digital CABLE television signal of FIRST generation
(DVB-C standard/QAM modulation)
DVB-C Parameters
►
Bandwidth channel
It displays the channel bandwidth up to 9.2 MHz.
►
Spectral inversion
It detects if the input signal has been inverted.
►
Symbol Rate
It represents the number of times the signal status changes in a period of
time. The bandwidth is related to this parameter.
►
Roll-Off Factor
Roll-off factor of Nyquist filter. It indicates the bandwidth excess over the
ideal bandwidth.
►
Constellation
Modulation used by the carriers. It also defines immunity to the system
noise (16QAM, 32QAM, 64QAM, 128QAM and 256QAM).
Summary of Contents for HD Ranger Lite
Page 1: ...HD RANGER Lite TV SATELLITE ANALYSER 0 MI2008...
Page 14: ...2 6 July 2015 1 2 3 Equipment Details Front View Figure 4...
Page 15: ...July 2015 2 7 1 Lateral view Figure 5 Top view Figure 6...
Page 21: ...July 2015 2 13 2 INSTALLATIONS MANAGEMENT PREFERENCES MENU Figure 7...
Page 115: ...July 2015 9 107 2 Figure 69...
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