TM 11-5820-890-30-4
10-6. OPERATIONAL CHECK. Continued
Step 2. AS-3900 ANTENNA BASE CHECK.
Action
a. Connect equipment as shown in figure 10-2
b. Connect RF probe to RF signal generator.
c. Set RF signal generator to frequency listed
in table 2.
Set RF signal generator level to +10 ±0.1
dBm on DMM.
d. Connect RF probe to RF DET.
Read DMM.
e. Repeat steps b thru d for all remaining
frequencies.
Table 2
F(MHz ±10 kHz)
DMM reading (dBm)
36
4.1 to 6.1
46
9.5 to 11.5
56
5.4 to 7.4
60
5.5 to 7.5
70
10.7 to 12.7
78
8.8 to 10.8
82
8.6 to 10.6
f. Operational check of AS-3900 antenna
base is complete.
Response
a. No response.
b. No response.
c. No response.
d. DMM reading shall be as indicated in
second column of table 2. If not, the
AS-3900 antenna base is bad.
e. DMM reading shall be as indicated in
second column of table 2. If not, the
AS-3900 antenna base is bad.
10-5
