0
-10
-20
-30
-40
-50
-60
-70
-80
-90
8
980
985
990
995
Frequency (kHz
1000
1005
1010
1015
1020
Figure 6. Spectrum analyzer plot of the 3 carriers.
There are 3 kHz AM on the adjacent carriers and
1 kHz AM on the original carrier. Note the low
level of close-in spurious components.