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MIL-N-81604C(AS)
Appendix I
30.5.13 CAU/PSU Interface
30.5.13.1 Power - The CAU power requirements shall not exceed
*
+28 volts d-c
20 watts
-28 volts dvc
20 watts
*
75 watts
*
+32 volts d-c unregulated
30.5.13.2 CAU/PSU Discrete Interface
*
a.
Flag Reset - Refer to 3.4.4.5b(5). The
pulse width shall be 250 25 msec. The
line driver shall be a Type C circuit.
b.
PSU No-Go - Refer to 3.4.4.5b(3). The CAU load
*
shall be a 40-ma relay coil with +28 volts d-c
connected to the other end.
c.
CAU Flag Inhibit - Refer to 3.4.4.5b(2). The
*
CAU line receiver shall be a Type E circuit.
30.6 Mounting Base, Electrical Equipment, Detailed
Description
30.6.1 Function - The CAU mounting base shall provide shock
and vibration isolation for Converter Amplifier Unit
CV-2566/ASN-92(V). The mount shall be designed with an integral
transition device which will direct cooling air into the CAU
heat exchanger from a circular tube source.
30.6.2 Specification - The mounting base shall be designed in
accordance with MIL-C-172 except as detailed herein.
30.6.5 Installation - The mounting base shall be configured
as shown on the outline and mounting drawing, figure 40.
*
30.6.4 Weight - The weight of the CAU mounting base, including
vibration isolatoin, and cooling air plenum, shall not exceed
4.0 pounds.
30.6.5 Installation - The mounting base shall be designed for
installation on a horizontal shelf using sixteen 8-32 NC-2A or
10-32 NF-2A screws mounted through isolator flange holes. As
indicated on the outline and mounting drawing (figure 40), cool- *
ing air shall be coupled to the air inlet side of the transistor
device using six 4-40 NC-2A screws. The sway space required
under maximum dynamic conditions is also shown in figure 40.
*
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