MIL-PRF-49168C(CR)
meet the physical and electrical parameters of part numbers SM-C-772134-1 and -2 in accordance
with Drawing SM-C-772134 for the PL-1403/UA and part numbers SM-C-772134-2 and -6 in
accordance with Drawing SM-C-772134 for the PL-1403A/UA. They shall be located as shown
on SM-D-773950 or Drawing SM-D-657598. The pinout assignments for the connectors shall be
in accordance with Drawing SM-D-773948 or Drawing SM-D-657596 to ensure proper interface
with existing hardware.
3.4 Components. The Scan-Interlace shall contain manufactured components selected by
the contractor as required to meet the performance specifications contained herein.
3.5 Performance Characteristics.
3.5.1 *Power consumption. The Scan-Interlace shall operate with the following voltages
(see Figure 1), and total power shall not be greater than 2.2 watts:
a. + 4.8, ±0.1 Vdc
b. - 4.8, ±0.1 Vdc
c. +10.0, ±0.1 Vdc and -10.0, ±0.1 Vdc
* Power shall be measured as the sum of the products of the power supply voltage and
their average currents.
3.5.2 Identification resistor verification. The Scan-Interlace shall contain two
identification resistors as shown on SM-D-773948 or SM-D-657596.
3.5.3 Regulator voltage. The Scan-interlace shall contain a positive voltage regulator
adjustable to +3.40, ±0.05 Vdc and a negative voltage regulator adjustable to -3.40, ±0.05 Vdc.
3.5.4 Transducer bridge voltage. The Scan-Interlace shall provide a transducer bridge
voltage which is adjustable to +1.25, ±0.05 Vdc (NOTE: When this voltage is indicated, the
actual bridge voltage, i.e., voltage applied across the bridge, is +2.15 Vdc). An average voltage
shall be measured at this test point as per 4.5.4.
3.5.5 Scan motor drive circuitry. The Scan-Interlace shall provide for adjustment of the
scan drive waveform to an amplitude of 1.5, ±0.5 volts peak-to-peak (P-P) during the active
portion (see Figure 2).
3.5.6 Interlace position amplifier. The Interlace Position Amplifier shall provide a gain of
100, ±10 volts per volt for signals generated by the Scanner Interlace Position Transducer.
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