Table 2 Transport In Options - Wegener UNITY4650 User Manual

Unity 4650 User's Manual
Characteristic
RF INPUT
Input Impedance
Input VSWR, 75- system
Surge Resistance
RF TUNING
Input Frequency Range
LO Leakage at Input
Symbol-rate Range
Tuning Resolution
Input Signal Level Range
Signal Level Warning Limits
Maximum Aggregate Input Power
DEMODULATOR/FEC
Modulation
Carrier acquisition range
Max E /N @ Quasi-error-free threshold
b 0
(less than one uncorrected error-event per
hour)
RF Power Level Estimator
(locked to carriers or not)
800034-01 Rev. A
Table 2: Transport In Options
DVB-QPSK RECEIVER OPTION (No RF Switch)
75 unbalanced
< 2.1:1 (9.0 dB R.L. min), 950-1450 MHz
< 3.0:1 (6.0 dB R.L. min), 1450-2150 MHz
Guaranteed survival from up to 10 direct-coupled 8kV dis-
charges (per IEC 801-2)
950 to 2150 MHz
-50 dBm
2 to 45 Msps (may be limited by Transport Rate limits)
10 kHz
-25 to -65 dBm
warns within +10/-5 dB of upper limit and +5/-10 dB of lower limit
-5 dBm min
QPSK ( =.35) per DVB (EN 300 421)
±1 MHz or ± 10% of symbol-rate QPSK, whichever is greater
Per EN300 421:
QPSK R=1/2:
QPSK R=2/3:
QPSK R=3/4:
QPSK R=5/6:
QPSK R=7/8:
Unitless metric SIGNAL corresponds to input power as follows:
above -25dBm
-25dBm
-35dBm
-45dBm
-55dBm
-65dBm
below -65dBm
no signal
Accuracy: unit to unit <±5 dBm; over frequency <±10 dBm
14
Specification
4.5 dB,
5.0 dB,
5.5 dB,
6.0 dB,
6.4 dB
Extrapolated from 90 up to 100+
90
70
50
30
10
Extrapolate from 10 down to <0
<0
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