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SLM-5650 Satellite Modem Revision 1
Maintenance MN/SLM5650.IOM
5–5
ATTEN 10 dB
2.00 dB/DIV
RES BANDWIDTH
10.0 kHz
RL -49.00 dBm
CENTER 70.000 MHz
*RB 10.0 kHz *VB 10.0 Hz
SPAN 1.000 MHz
ST 30.00 sec
Modem Rate = 2144kbit/s, 3/4 Rate Coding
with 7.7 dB Eb/No (S + N)/N = 10 dB
Figure 5-2. Typical Output Spectrum (with Noise)
ATTEN 10 dB
5.00 dB/D IV
CENTER FRE QUE NCY
140.000 MH z
R
L
-
2
0
.
2
9
d
B
m
PASS
CENTER 14 0.0 00 MHz
*RB 30 .0 kHz *V B 3.0 0 Hz
SPAN 5.0 00 MH z
ST 166.7 se c
Figure 5-3. Typical Output Spectrum (without Noise)