MIL-G-85742/5(AS)
3.
REQUIREMENTS
3.1 Item description. The servo section (Drawing 1466AS1202) consists
of the power converter (Drawing 1466AS1220), the gas grain assembly, the
alternator, and the fin torque pistons. The power converter supplies power
to the receiver section and provides launch lock/contact destruct func-
tions. After power changeover (PCO), the launch lock function is used as
part of the arming sequence for the warhead. The contact destruct funtion
is used for detonating the warhead upon impact.
3.2 Characteristics.
3.2.1 Performance. Performance characteristics of the servo section
shall be as specified herein.
3.2.1.1 Telemetry and aircraft signal line resistance. The resistance
of the telemetry and aircraft signal lines shall conform to Table I.
3.2.1.2 Gas generator squib resistance.
The squib circuit resistance
shall be 3.25 tO.50 ohms.
3.2.1.3 Input voltage (pre-PCO). The power converter shall be able to
operate on voltages meeting the following requirements.
3.2.1.3.1 Alternating current (ac) voltage. The input ac voltage shall
meet the requirements specified in MIL-STD-704, DOD-STD-1399/103 with an
applied voltage of 112 ± 8 volts root-mean-square (Vrms) at 400 ± 20 hertz
Hz).
3.2.1.3.2 . Direct current (dc) voltage. The input dc voltage shall meet
The requirements specified in MIL-STD-704 with an applied voltage of 28
volts (v).
3.2.1.4 Input voltage from alternator (post-PCO). The input voltage
supplied by the alternator shall meet the following requirements when an
external air pressure of 1150 ± 50 pounds per square-inch (psi) is applied.
3.2.1.4.1 Alternator voltage. After PCO anti removal of the aircraft 400
Hz, the alternator voltage shall be greater than 145 Vrms under full load.
3.2.1.4.2 Alternator frequency. Under the same conditions described in
3.2.1.4.1, the alternator frequency shall be 7,700 - 500, +700 Hz.
3.2.1.5 Output ac voltage. The output ac voltage of the power converter
shall be 138 ± 7 Vrms at a frequency of 8.0 ± 0.3 kilohertz over the full
input voltage range (see 3.2.1.3).
3.2.1.6 Cage voltage. The cage voltage shall be 9 ± 1 V when driving a 3
kilohm (kohm) load.
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