Ericsson RX1290, Справочное руководство

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Technical Specification
Parameter Specification
range
Receive spectrum sense Normal and inverted
L-band Power
Input power level per carrier -65 to –25 dBm
Total L-band input power < -10 dBm
Oscillator power at the
L-band input < -65 dBm, 950 < Fosc < 2150 MHz
IF Monitor Input
Safety Status SELV
Number of inputs
0 (RX1290/HWO/DVBS2)
1 (RX1290/HWO/DVBS2/IF/CONST)
Input connector type
BNC, female 75
Ω
Input impedance
75
Ω
Return loss -19 dB typical
Tuning range Fc = 50 to 180 MHz
Tuning Step 1 kHz
Input power level per carrier -40 to –25 dBm
DVB-S Modulation (EN 300 421)
Modulation QPSK
Convolutional FEC rates 1/2, 2/3, 3/4, 5/6, 7/8
Symbol rate range Rs = 1.0 to 45.0 MSymbol/s
Symbol rate step 1 Symbol/s
Symbol rate lock range ±
100 ppm
Eb/No ratio See Table B.11
DVB-S2 Modulation (EN 302 307)
DVB-S2 Mode Broadcast Services
Modulation QPSK, 8PSK
QPSK LDPC FEC rates 1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9. 9/10
8PSK, LDPC FEC rates 3/5, 2/3, 3/4, 5/6, 8/9, 9/10
LDPC FEC Frame length Normal
Pilot tones Automatic detection
Symbol rate range Rs = 1 to 31 MSymbol/s, (1 Msym/s min with low symbol
rate license)
EN/LZT 790 0003/2 R1A B-12