Comtech EF Data SDM-100A - Manual (Page 145)

SDM-100A Satellite Modem Maintenance
Rev. 0 5–3
Figure 5-1. Typical Output Spectrum
ATTEN 10 dB
1 dB/DIV
RL -53.0 dBm
CENTER 70.0000 MHz
*RBW 3.0 kHz
*VBW 3.0 Hz
SPAN 200.0 kHz
SWP 56.0 sec
5 dB E /N of Noise
64 kbit/s 1/2 Rate QPSK
b 0
Figure 5-2. Typical Output Spectrum With Noise