BENDIX/KING
KX 165A
Rev 0, Jun/2000
15610M00.RCD
Page 5-29
TEST DATA SHEET
2.
Modulation Capabilities:
Input a standard modulator test signal into the microphone audio. See
The transmitter output should go to either a modulation analyzer or oscilloscope.
Ensure that the transmitter is terminated into a 50
Ω
load capable of dissipating at
least 15W.
*a.
118.00 MHz: _________ NLT 70%
126.50 MHz: _________ NLT 70%
136.97 MHz: _________ NLT 70%
b.
Carrier Noise Level:
Modulate the carrier with 70% at 1000 Hz. Noise on the carrier with mod-
ulation removed shall be NLT (use linear detector shown in
118 MHz _________ > 35 dB
126.5 MHz ________ > 35 dB
136.95 MHz ________ > 35 dB
c.
Demodulated Audio Distortion. This is an optional test that requires a dis-
tortion analyzer and the linear detector shown in fig 5-4
Distortion
350 Hz ______________
≤
15%
1 kHz ______________
≤
15%
2.5 kHz ______________
≤
15%
d.
Headphone Sidetone:
Input a 1000 Hz, tone into the microphone audio and adjust its level to pro-
duce 70% mod. Make sure the NAV volume control is set fully counter-
clockwise. Monitor the Comm Audio output (loaded with 500
Ω
). Go to
alignment mode and adjust SIDE from minimum (000) to maximum (256).
_________ 0.003 Volts (Min)
__________ 7.07 Volts (Max.)(Measured with 500 Ohm load)
__________ Set SIDE for 1.40 V at end of test.
Содержание Bendix/King KX 165A
Страница 1: ...MAINTENANCE MANUAL KX 165A NAV COMM TRANSCEIVER MANUAL NUMBER 006 15610 0000 REVISION 0 JUNE 2000 ...
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Страница 20: ...BENDIX KING KX 165A Rev 0 Jun 2000 15610M00 RCD Page 4 15 Figure 4 4 VOR Signal Generation ...
Страница 21: ...BENDIX KING KX 165A Page 4 16 15610M00 RCD Rev 0 Jun 2000 Figure 4 5 Localizer Signal Generation ...
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