Figure 5-2. Typical Output Spectrum (With Noise); Figure 5-3. Typical Output Spectrum (Without Noise) - Comtech EF Data SDM-300A Installation And Operation Manual

SDM-300A Satellite Modem
CENTER 70.000 MHz
*RB 10.0 kHz
CENTER 140.000 MHz
*RB 30.0 kHz
Rev. 4
RL -49.00 dBm
ATTEN 10 dB
2.00 dB/DIV
RES BANDWIDTH
10.0 kHz
M odem Rate = 2144 kbit/s, 3/4 R ate C oding
w ith 7.8 dB Eb/N o (S + N)/N = 10 dB

Figure 5-2. Typical Output Spectrum (with Noise)

RL -20.29 dBm
ATTEN 10 dB
5.00 dB/DIV
CENTER FREQUENCY
140.000 MHz

Figure 5-3. Typical Output Spectrum (without Noise)

SPAN 1.000 MHz
*VB 10.0 Hz ST 30.00 sec
PASS
SPAN 5.000 MHz
*VB 3.00 Hz ST 166.7 sec
Maintenance
5–5