TM 11-5840-360-14-1-1
Table 1-18 VARD AM-6932 Performance Characteristics (V2, V3, V4)
Parameter
Description
Video Amplifier Input
Impedance, 75 ohms, Input Signal, 0 to 2.5V nom-
inal (3.5V max); Minimum Pulse Width, 50 nsec
Video Amplifier Output
Impedance, 75 ohms, Output Signal, 0 to 5V nominal
(7V max)
Buffer Amplifier Input
Impedance, 10K, Input Signal, 0 to 6V peak (nominal);
Frequency, 900 Hz
Buffer Amplifier Output
Load, 600 ohms to 50K (one to four Azimuth Range
Indicators via Switching Unit); Impedance,
less than 1 ohm; Amplitude, 0 to 6V peak
(adjustable from 4.2 to 7.2V peak with nominal
input)
Resolver Driver Input
Impedance, greater than 2K; Amplitude, 6V peak
AC (nominal); Frequency 900 Hz
Bandwidth 0 to 3.4 kHz
Ambient Temperature Range
0to +550 C
Relative Humidity (at 550 C)
95%
Shock (all planes)
15G
Vibration
1G at 5-50 Hz
Waterproofing
Drip-proof
Table 1-19 Interface Unit J-3463 Performance Characteristics
Description
Parameter
Input Line
115 Vac, 50-60 Hz
Power Supply Output
28V, 2A
Ambient Temperature Range
0to +550 C
Relative Humidity (at 550 C)
95%
Shock (all planes)
15G
Vibration
1G at 5-50 Hz
Waterproofing
Drip-proof
1.16.4 Power Requirements
1.17.3 Physical Description
The power requirements of the interface unit are
A physical description of the wave guide switch is
115 Vac, 10, 50-63 Hz, 25 W.
found in Table 1-25.
1.17
WAVE GUIDE SWITCH SA-2140 (V2)
1.17.4 Power Requirements
The power requirement of the wave guide switch is
1.17.1 Function of Switch
28 Vdc. The attached dummy load has a rated average
The waveguide switch couples RF energy from the
power dissipation of 500 W and a test peak power of
on-line receiver transmitter to the common antenna
290 kW.
while terminating the off-line receiver transmitter into
the dummy load. The waveguide switch position is
1.18
RECEIVER TRANSMITTER RT-1241 (V4)
controlled by the mode selected at switching unit SA-
1.18.1 Function of Receiver Transmitter
2156.
The receiver transmitter provides 50 kW peak
1.17.2 Performance Characteristics
Performance characteristics of the wave guide
echoes are received by the antenna and then amplified
switch are specified in Table 1-20.
to provide video data to the indicators.
1-26
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