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|  MIL-C-64025(AR)
With 4.8+0.2 volts applied to A4-
3.8.8 Mark/space frequencies.
E5 (MESSAGE DATA INPUT) the frequency of the RF output at A3-E4 (RF
OUT) shall be the "mark" frequency as specified by drawing 9333026.
When 0.0+0.2 volts is applied to A4-E5 the frequency of the RF output
at A3-E4 shall be the "space" frequency as specified by drawing
9333026 when tested per 4.5.6.8.
3.9 Sender Electronic Components Performance characteristics.
This section describes the performance characteristics of the Sender
Electronic Components Assembly (9333599). The unit performance
characteristics shall be specified for a nominal voltage of 13 + 0.5V
unless otherwise stated.
3.9.1 Voltage regulation. With the voltage at A2-E34 (+15V)
with respect to A2-E43 (GND) set to 13 + 0.5 volts, the voltage at
.
A2-E44 (+5VDC) with respect to A2-E43 (GND) shall be 4.8 volts minimum
to 5.3 volts maximum when tested per 4.5.7.27.
3.9.2 Low voltage detection. The battery low detection lamp
shall flash when the voltage at A2-E34 (+15V) with respect to A2-E43
(GND) is at or below the low voltage threshold. The lOW voltage
threshold shall be from 11.0 volts maximum to 10.3 volts minimum when
tested per 4.5.7.33.
3.9.3 --EN.ER power off current. With the voltage at A2-E45
S. D
(RAMV) set to 13 + 0.5 volts and A2-E34 (+15v) open, the current into
A2-E45 (RAMV)
shall
be
2.0
milliamperes
maximum
when
tested
per
4.5.7.6.
3.9.4 Standby current .
With the voltage at A2-E45 (RAMV) and
A2-E34 (+15V) set to 13 + 0.5 volts and the displays blank, the
current into A2-E34 (+15V) shall be 50 milliamperes maximum when
tested per 4.5.7.32.
3,9.5 Data input.
Keyboard data is entered into the SENDER via
a matrix of switches. When a key is pressed, a signal pair that
uniquely corresponds to that key is shorted together. When tested per
4.5.7.1, keyboard signal pairs shall be defined as specified below:
Key
Signal Pair To Be Shorted
A2-E49 (ROW 1)
(Col 1)
TRANSFER
A2-E52
A2-E51 (ROW 2)
(Col 4)
DESTRUCT/1
A2-E55
A2-E50
(Col
2)
3)
AUTO/2
A2-E53
(Row
(Col
3)
A2-E50 (ROW 3 )
DEPLOY/3
A2-E54
(Col
4)
A2-E50 (Row 3)
R'SET SD/4
A2-E55
A2-E48 (ROW 4)
(Col
1)
GRP ID/5
A2-E52
A2-E48 ( ROW 4 )
(Col
2)
COPY/6
A2-E53
A2-E48 ( ROW 4 )
(Col
3)
7
A2-E54
A2-E48 (ROW 4)
(Col
4)
8
A2-E55
15
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