Comtech EF Data SLM-5650B - Page 304

SLM-5650B Satellite Modem
Revision 2
Appendix A A–6 MN-SLM-5650B
Figure A-2. Typical Output Spectrum – WITH NOISE
Figure A-3. Typical Output Spectrum – WITHOUT NOISE
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
A
T
T
E
N
1
0
d
B
5
.
0
0
d
B
/
D
I
V
C
E
N
T
E
R
F
R
E
Q
U
E
N
C
Y
1
4
0
.
0
0
0
M
H
z
R
L
-
2
0
.
2
9
d
B
m
P
A
S
S
C
E
N
T
E
R
1
4
0
.
0
0
0
M
H
z
*
R
B
3
0
.
0
k
H
z
*
V
B
3
.
0
0
H
z
S
P
A
N
5
.
0
0
0
M
H
z
S
T
1
6
6
.
7
s
e
c