TM 11-5820-890-30-4
10-6. OPERATIONAL CHECK. Continued
Step 1. AS-3684 ANTENNA BASE CHECK.
Action
a.
b.
c.
d.
e.
f.
Connect equipment as shown in figure 10-1.
Connect RF probe to RF signal generator.
Set RF signal generator to frequency listed
in table 1.
Set RF signal generator level to +10 ±0.1
dBm on DMM.
Connect RF probe to RF DET.
Read DMM.
Repeat steps b thru d for all remaining
frequencies.
Table
F(MHz ±10 kHz)
1
DMM reading (dBm)
36
46
56
60
70
78
82
Operational check
base is complete.
of
2.5 to 6.0
11.4 to 13.4
5.7 to 7.7
6.1 to 8.1
11,2 to 13.2
7.2 to 9.2
7.4 to 9.4
AS-3684 antenna
Response
a.
b.
c.
d.
e.
No response.
No response.
No response.
DMM reading shall be as indicated in
second column of table 1. If not, the
AS-3684 antenna base is bad.
DMM reading shall be as indicated in
second column of table 1. If not, the
AS-3684 antenna base is bad.
10-3