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|  MIL-D-81347C(AS)
3.
The limit from 50 KHz to 25 MHz remains the
same as shown in Figure 3.
(b) Narrowband Interference
Reference Figure 2, Appendix D of WR-101, Part I.
A straight line from 30 Hz to 1 KHz at a constant
1.
level of 130 db greater than one microamp.
2. A straight line from 1 KHz and 130 db greater
than one microamp to 50 KHz and 83 db greater than one microamp.
3.
The limit from 50 KHz to 25 MHz remains as
shown in Figure 2.
(2) Radiated Interference
Broadband Interference
(a)
Reference Figure 5, Appendix D or WR-101, Part I.
1.
Increase the limit by 20 db greater than one
microvolt/MHz from 15 KHz to 150 KHz.
Reference Figure 16 of MIL-I-6181D.
--.
2
Increase the limit by 20 db greater than one
microvolt/MHz from 150 KHz to 25 MHz.
3.
The limit remains the same as shown in Figure
16 from 25 MHz to 70 MHz.
4.
Increase the limit by 15 db greater than one
microvolt/MHz from 70 MHz to 150 MHz.
5.
The limit from 150 MHz remains
the same as shown in Figure 16.
(b)
Narrow Band
Reference Figure 5, Appendix D of WR-101, Part I
and Figure 14 of MIL-I-6181D.
The limit from 15 KHz to 3 MHz shall be in-
1.
creased by 20 db greater than one microvolt.
2. The limit from 3 MHz to 25 MHz shall be in-
creased from 20 db at 3 MHz to 30 db greater than-one microvolt at 25 MHz.
3.
The limit from 25 MHz to 300 MHz shall be in-
-
creased by 25 db greater than one microvolt.
4.
The limit from 300 MHz to 1000 MHz remains
as shown in Figure 14 of MIL-I-6181D.
(3) Conducted Interference on Interface Lines
Reference 4.2.1.1 of WR-101 Part I.
Conducted emissions on interface lines other than primary
power shall not be measured.
318
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