Ericsson RX8000 Reference Manual page 479

Parameter
Symbol rate range
Symbol rate step
Symbol rate lock range
Eb/No ratio
DVB-S2 modulation (EN 302 307)
DVB-S2 mode
Modulation
QPSK LDPC FEC rates
8PSK, LDPC FEC rates
LDPC FEC frame length
Pilot tones
Symbol rate range
Symbol rate step
Symbol rate lock range
Maximum channel bit rate
Maximum user bit rate
Es/No (C/No) ratio
Miscellaneous
DVB-S phase noise tolerance
DVB-S2 phase noise tolerance
LNB power and control
4
These specifications apply in the presence of thermal noise at the threshold Eb/N
5
These specifications apply in the presence of thermal noise at the threshold Es/No ratio given in Table B.21 and assume a degradation to
the thermal noise performance of 0.3 dB.
EN/LZT 790 0005 R7A
Specification
Rs = 1.0 to 45.0 MSymbol/s
1 Symbol/s
± 100 ppm
See Table B.20
Broadcast services
QPSK, 8PSK
1/2, 3/5, 2/3, 3/4, 4/5, 5/6, 8/9. 9/10
3/5, 2/3, 3/4, 5/6, 8/9, 9/10
Normal
Automatic detection
Rs = 5 to 31 MSymbol/s, 1 Msymbol/s min with
RX8200/SWO/LSYM
1 Symbol/s
± 100 ppm
90 Mbps
81 Mbps
See Table B.21
4
SSB phase-noise power spectral density < -68
– 10*log(Rs/20) dBc/Hz at δF = 10 kHz offset
Phase noise power spectral density of the form
C – 20*Log(δF)
δF = Frequency offset from carrier
Rs = Symbol-rate (Msymbol/s)
5 -25 dBc/Hz at δF = 100 Hz
-50 dBc/Hz at δF = 1 kHz
-73 dBc/Hz at δF = 10 kHz
-93 dBc/Hz at δF = 100 kHz
-103 dBc/Hz at δF = 1 MHz
-114 dBc/Hz at δF > 10 MHz
See Table B.22
ratio given in Table B.20
0
Technical Specification
B-19