Scopus CODICO IRD-2600 - Page 29

IRD-2600 / IRD-2800
Integrated Receiver Decoders
P/N 2349-72784-00 Page 1-17
Table 1-6: DSNG Input Features and Specifications
FEATURE SPECIFICATION
Modulation and coding schems:
QPSK, FEC rate
8PSK, FEC rate
16QAM, FEC rate
1/2, 2/3, 3/4, 5/6, 7/8.
2/3, 5/6, 8/9.
3/4, 7/8.
Automatic modulation scheme
recovery
Symbol Rate 1 ≤ Rs ≤ 45 Mbaud
Half Nyquist filter roll-off 25% and 35%
L-band inputs (950–2150 MHz) 2
Signal level density Co -130 to –105 dBm/Hz.
Signal level Co + 10Log(Sat. baud rate) (dBm).
Total input power -25 dBm max
Clock acquisition range
± 200 ppm
carrier acquisition range
± 3 Mhz
Automatic FEC rate recovery
Spectral inversion ambiguity
resolution
Automatic
LNB power generation Off, 13 or 18 Vdc, 350 mA max, 22Khz,
single tone burst and Diseqc 1.0 message,
and Diseqc 2.0 compatible
Table 1-7: QAM Input Features and Specifications
FEATURE SPECIFICATION
QAM constellation 16/32/64/128/256 QAM
Input Level
40 to 85 dBµV
VHF/UHF input 50.5 to 858 MHz
Noise Figure 8 to 13 dB
Input impedance
75Ω (BNC)
Symbol Rate 1 to 7 Mbaud
Roll-off 15%
Additional Features Digital Automatic Gain Control
Half Nyquist Filtering
Blind equalization
Digital carrier recovery