Version 4
SHEET 1 880 680
WIRE 144 192 112 192
WIRE 208 192 192 192
WIRE 304 192 272 192
WIRE 336 192 304 192
FLAG 112 192 IN
IOPIN 112 192 In
FLAG 384 192 OUT
IOPIN 384 192 Out
FLAG 304 272 0
SYMBOL diode 208 176 M90
WINDOW 0 0 32 VBottom 0
WINDOW 3 32 32 VTop 0
SYMATTR InstName Xfd
SYMATTR Value 1N4148
SYMBOL sti 352 192 R0
SYMATTR InstName Xsti
SYMBOL res 288 176 R0
SYMATTR InstName Rfd
SYMATTR Value 10Meg
SYMBOL pti 160 192 R0
SYMATTR InstName Xpti
