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1.5Vx4 cells
+5V
HV
CIRCUIT
+750V
PULSE
AMPLIFIER/
COUNTER
Discriminator
TTL out
>
USB to
UART
(OPTIONAL)
BLOCK DIAGRAM OF RAD CHECK METER
TYPE : RC705E
Low
Dropout
Reg.
Low
Dropout
Reg.
+5V
MICRO
>
CONTROLLER
>
< >
KEYPAD
+5V (to circuits)
+5V (to HV Block)
*REAL TIME
CLOCK
(Optional)
<
EEPROM
<
LCD
DOTMATRIX
DISPLAY
>
Ni-cd
3.6V
Page 14 of 49
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