Wegener UNITY 4600 User Manual page 16

U 4600 U ' M
NITY SER S ANUAL
Characteristic
Demodulator/FEC (Cont.)
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)
LNB DC Power
Activation
Voltage
Current (full load)
Short-circuit protection
European "Universal LNB"
RF Switch Input
Input Impedance
Isolation, port-to-port
Input VSWR, 75-
Input VSWR, 75-
Surge Resistance
RF Tuning
Demodulator/FEC
LNB DC Power
800032-01 Rev. F
Table 1.2: Transport-In Options
1. DVB-QPSK:
2. Turbo-QPSK:
3. Turbo-8PSK:
4. Turbo-16QAM:
Unitless metric SIGNAL corresponds to input power as follows:
above -25dBm
-25dBm
-35dBm
-45dBm
below -65dBm
Accuracy: unit to unit <±5 dBm; over frequency <±10 dBm
(supplied on RF center conductor)
User- or network-controlled selectable: ON or OFF
~ +18.7 VDC nominal at no loading, +18.0 VDC min. at max loading
350 mA max
Thermal fuse, tripping at ~500 mA.
Software may be upgraded for "Universal Single LNB" polarization
and freq-band control per ASTRA recommendation
Turbo Receiver with 4-Port Switch Option
4-port, single-throw switch
75
> 45 dB, 950-1450 MHz
> 40 dB, 1450-2150 MHz
system, selected port < 1.9:1 (10 dB R.L. min), 950-1450 MHz
< 1.9:1 (10 dB R.L. min), 1450-2150 MHz
system, unselected port < 1.9:1 (10 dB R.L. min), 950-1450 MHz
< 1.9:1 (10 dB R.L. min), 1450-2150 MHz
Guaranteed survival from up to 10 direct-coupled 8kV discharges (per
IEC 801-2) whether or not port is selected
Same as Turbo PSK option described (above)
Same as Turbo PSK option described (above)
Supplied on RF Input Port 4 - same electrical characteristics as
described for single-input Turbo PSK option (above)
Specification
QPSK R=1/2:
QPSK R=2/3:
QPSK R=3/4:
QPSK R=5/6:
QPSK R=7/8:
R=1/2:
R=3/4:
R=2/3:
R=3/4(I):
R=3/4(II):
R=5/6:
R=8/9:
R=3/4:
Extrapolated from 90 up to 100+
90
70
50
Extrapolate from 10 down to <0
unbalanced
8
4.5 dB,
5.0 dB,
5.5 dB,
6.0 dB,
6.4 dB
2.4 dB
3.6 dB
4.8 dB
5.4 dB
5.8 dB
6.8 dB
8.2 dB
6.6 dB
-55dBm 30
-65dBm 10
no signal <0
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