beautypg.com

Comtech EF Data SNM-1010L User Manual

Page 191

background image

SNM-1010L Data/Control Modem

Revision 0

System Checkout

MN/SNM1010L.OM

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 = 2144 kbit/s, 3/4 Rate Coding

with 7.7 dB Eb/No (S + N)/N = 10 dB

Figure 7-1. Typical Output Spectrum (with Noise)

ATTEN 10 dB

5.00 dB/DIV

CENTER FREQUENCY

140.000 MHz

RL -20.29 dBm

PASS

CENTER 140.000 MHz

*RB 30.0 kHz

*VB 3.00 Hz

SPAN 5.000 MHz

ST 166.7 sec

Figure 7-2. Typical Output Spectrum (without Noise)

7–11

This manual is related to the following products: