User`s manual

Unity 4650 User’s Manual
800034-01 Rev. A 18 wegener.com
TURBO PSK RECEIVER WITH 4-PORT SWITCH OPTION
RF SWITCH INPUT 4-port, single-throw switch
Input Impedance 75
Ω
unbalanced
Isolation, port-to-port > 45 dB, 950-1450 MHz
> 40 dB, 1450-2150 MHz
Input VSWR, 75-
Ω
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
Input VSWR, 75-
Ω
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
Surge Resistance Guaranteed survival from up to 10 direct-coupled 8kV dis-
charges (per IEC 801-2) whether or not port is selected
RF TUNING Same as Turbo PSK option described above
DEMODULATOR/FEC Same as Turbo PSK option described above
LNB DC POWER Supplied on RF Input Port 4 - otherwise performs the same as
the Turbo PSK receiver described above.
ASI TRANSPORT INPUT OPTION
DVB-ASI INPUT One input per DVB ASI per EN50083-9 Annex B
Physical layer 270 Mbaud signaling on 75
Ω
coax cable
Minimum byte gaps Down to 0-byte interbyte gaps
Transport data rate Limited to rates allowed by parent IRD
Table 2: Transport In Options
Characteristic Specification