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Page Title:
Electromagnetic Interference Control |
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|  MIL-N-81207A(AS)
not differ in power by more than 0.5 dB when the load impedance is
50 ohms.
Transmitter Power in A\A Mode - With the
3.5.2.8.2
equipment operating in the A/A mode at a transmitting rate of 150
pps, the requirements of 3.5.2.8.1 shall apply. The transmitter
power shall recover to within 2 dB of the maximum peak power
within 200 microseconds after any transmission and shall be at
least 500 watts when the transmitter rate is 1050 pulses per
second.
Electromagnetic Interference Control - The
3.5.2.9
equipment shall meet the foll owing requirements of MIL-STD-461:
CE01, CE02, CE03, CE04, CE06, RE02, CS01, CS02, CS06, and RS02.
Requirement RS03 as modified by paragraph 3.5.2.9.3 shall also be
applicable. Requirements CS03, CS04 and CS05 are not applicable.
The requirements of paragraphs 3.4.13.1, 3.4.13.2, 3.5.2.9.1, and
3.5.2.9.2 shall apply.
On Frequency and Image Frequency - With the
3.5.2.9.1
equipment tracking on a signal of -80 dBm, the specified
performance shall not be affected by the following types and
levels of interference at any frequency on or within 3 megahertz
of the desired or image frequency.
(1) CW (in REC, T\R and A\A modes)
(1.1) on or within 3 MHz of tracked
signal
On Freq.
Image
-50 dBm
-110 dBm
(1.1.1) Bearing
-35 dBm
- 95 dBm
(1.1.2) Beacon
Identification
- 95 dBm
-35 dBm
(1.1.3) Distance
Off Frequency Interference - The requirements
3.5.2.9.2
of 3.4.13.2 shall apply, except that the CW signal introduced to
the antenna while the equipment is tracking a TACAN signal at a
level of -80 dBm, shall have an amplitude of -65 dBm for
frequencies between 3 MHz and 10 MHz of the desired signal.
Radio Frequency Radiated Susceptibility - No
3.5.2.9.3
degradation of performance shall occur when the equipment is
subjected to a radio frequency field of one volt per meter over
the frequency range of 14 kHz to 10 GHz according to the limits
for RS03.
Antenna Switching Output - An antenna switching
3.5.2.10
circuit shall be incorporated in the unit for the purpose of
selecting one of two associated antennas. The circuit shall stop
36.
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