1.2 Demodulator and F.E.C.
Encoding : QPSK
Symbol Rate : 1.8 to 40 Mb/s
Roll Off : 35%
Outer code : REED SOLOMON (204, 188, T=8)
Deinterleaver : Depth = 12, Length=7
Inner Code : VITERBI 1/2, 2/3, 3/4, 5/6, 7/8 or
Auto
BER Threshold : 2.10
-- 4
to 5.5 dB (PC = 3/4)
ETS 300 421 Fully compliant
2- ANALOGUE MODULE
2-1Tuner :
Input frequency : 950-2 150 Mhz
Input level : -65dBm/-25dBm
Transmission band : 27/36 Mhz (-3dB)
AFC : +/- 8Mhz
Input connectors : F Type (IEC 169-24 female)
Impedance : 75 Ohms
2-2 Demodulation
Video : 4/3, 16/9 Pal, Plus
Audio frequency : -5.54 - 8.80 Mhz
Audio band width : 130/280/380/500 Khz
De-emphasis : 50µS, J17, 75µS, Hi-Fi, Quasi-Panda (DNR)
3. GENERAL DESCRIPTION
3-1 LNB control
Power : DC 0/14/18V (500mA Max)
Band Control : 0/22 Khz (+/-4 Khz) 0.65V +/- 25V
DiSEqC : according to Eutelsat specifications
Short circuit protection : automatic
Controllable LNB type : Universal LNB type 1 and 2;
Mono band LNB (LW management)
Full band LNB
Band C LNB
SKEW control for magnetic polariser