Wegener Communications UNITY 4600 - Manual (Page 14)

General Information
8 800032-01 Rev. G www.wegener.com
Surge Resistance Guaranteed survival from up to 10 direct-coupled 8kV
discharges (per IEC 801-2) whether port is selected or not
RF TUNING Same as QPSK option described above
DEMODULATOR/FEC Same as QPSK option described above
LNB DC POWER Supplied on separate 2-pin header. Performance otherwise the
same as QPSK option described above
TURBO PSK RECEIVER OPTION, BROADCOM PROTOCOL
RF INPUT
Input Impedance 75
Ω unbalanced
Input VSWR, 75-
Ω system
<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
discharges (per IEC 801-2)
RF TUNING
Input Frequency Range 950 to 2150 MHz
LO Leakage at Input
≤ -60 dBm
Symbol-rate Range 1 to 30 Msps (may be limited by Transport Rate limits)
Tuning Resolution 10 kHz
Input Signal Level Range -25 to -65 dBm
Signal Level Warning Limits warns within +10/-5 dB of upper limit and +5/-10 dB of lower
limit
Maximum Aggregate Input Power 0 dBm max
DEMODULATOR/FEC
Modulation 1. DVB-QPSK (
α =.35) per EN 300 421
2. Advanced "Turbo-QPSK" (
α =.20 default; R=½, ¾) per
Broadcom proprietary protocol
3. Advanced "Turbo-8PSK" (
α =.20 default; R=2/3, 5/6, 8/9) per
Broadcom proprietary protocol. [R=¾ Type I and II; contact
factory.]
4. Advanced "Turbo-16QAM" (
α =.20 default; R=¾) per
Broadcom proprietary protocol
Carrier acquisition range ±1 MHz or ± 10% of symbol-rate QPSK, whichever is greater
Characteristic Specification