Figure A-2. Typical Output Spectrum – With Noise; Figure A-3. Typical Output Spectrum – Without Noise - Comtech EF Data SLM-5650A Installation And Operation Manual

SLM-5650A Satellite Modem
Appendix A
CENTER 140.000 MHz
*RB 30.0 kHz
Figure A-3. Typical Output Spectrum – Without Noise
RL -49.00 dBm
ATTEN 10 dB
2.00 dB/DIV
RES BANDWIDTH
10.0 kHz
Modem Rate = 2144 kbit/s, 3/4 Rate Coding
with 7.7 dB Eb/No (S + N)/N = 10 dB
CENTER 70.000 MHz
*RB 10.0 kHz
Figure A-2. Typical Output Spectrum – With Noise
RL -20.29 dBm
ATTEN 10 dB
5.00 dB/DIV
CENTER FREQUENCY
140.000 MHz
SPAN 1.000 MHz
ST 30.00 sec
*VB 10.0 Hz
PASS
SPAN 5.000 MHz
*VB 3.00 Hz ST 166.7 sec
A–5
Revision 8
MN-SLM5650A