 |
|||
|
|
|||
| ||||||||||
|
|  MIL-N-81857(AS)
3 . . 4 . 1 0 . 1 O n F r e q u e n c y I n t e r f e r e n c e - With the equip-
ment tracking on a signal of -80 dbm, the specified performance
shall not be affected by the following types and levels of inter-
ference on or within 3 megahertz of the desired or image
frequency:
Level
Type
( 1 ) 6000 randomly spaced single
p u l s e s per second each 3.5
m i c r o s e c o n d s wide (in REC
-20 dbm
a n d T/R modes only.)
(2) CW (in REC, T / R and A/A
modes)
Level
Type
On Freq.
-- age .
Im
Within 400 KHz of
(2.1)
t r a c k e d signal
-110 dbm
-50 dhm
(2.1.1)
Bearing
- 95 dbm
-35 dbm
(2.1.2)
Identity Tone
- 95 dbm
-35 dbm
Distance
(2.1.3)
400 KHz to 3 MHz from
(2.2)
t r a c k e d signal
-25 dbm
- 85 dbm
Bearing
(2.2.1)
- 75 dbm
-15 dbm
(2.2.2)
Identity Tone
- 75 dbm
-15 dbm
Distance
(2.2.3)
3.4.10.2
Off Frequency Interference - The noise level
at the output of the second detector with no desired signal present
shall not be changed by CW signals of the following frequencies
and amplitudes at the antenna terminal:
13
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals