TM-9-1290-365-24-P
PALADIN MUZZLE VELOCITY SYSTEM M93 UPGRADED
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT, AND GENERAL SUPPORT MAINTENANCE MANUAL INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST
OCTOBER 2000
TM-9-1290-365-24-P - Page 36 of 334
ARMY TM 9-1290-365-24&P
1.19.4
Power Supply Module
. For the following description, refer to Figure 1-5. The power
supply generates +18, +5, +15 and -15 , and predetermined 9-11 VDC operating voltages for
the transceiver internal circuitry. The topology of the power supply is a current mode, forward
converter with input and output coupling. Switching frequency is 400 kHz. The RF signal
transmission is controlled by the MVP through the. MEASURE CMD (on/off) signal.
VIN
INPUT PROTECTION
CKT
(MIL-STD-1275)
SWITCHING
CONTROL
MAIN
TRANSFORMER
RECTIFIER
AND
VOLTAGE REG.
RECTIFIER
AND
VOLTAGE REG'S
RECTIFIER
POWER FAIL
DETECTOR
SENSE
AMPLIFIER
PWM
CONTROLLER
STARTING
UNIT
SHUTDOWN
VTRANSMIT
MEASURE
CMD
+18V
+15V
A. GND
-15V
+5V
D. GND
PWR FAIL
Figure 1-5. Power Supply Module Simplified Block Diagram
1-16
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