Version 4 SHEET 1 1108 1640 WIRE 144 1104 -256 1104 WIRE 432 1104 144 1104 WIRE 1024 1120 848 1120 WIRE 144 1152 144 1104 WIRE 432 1168 432 1104 WIRE 80 1200 -16 1200 WIRE 848 1200 848 1120 WIRE 1024 1200 1024 1120 WIRE -256 1280 -256 1104 WIRE -16 1280 -16 1200 WIRE 176 1280 -16 1280 WIRE 432 1280 432 1248 WIRE 432 1280 240 1280 WIRE 144 1312 144 1248 WIRE 368 1344 272 1344 WIRE 432 1344 432 1280 WIRE 432 1344 368 1344 WIRE 848 1360 848 1280 WIRE 896 1360 848 1360 WIRE 1024 1360 1024 1280 WIRE 1024 1360 896 1360 WIRE -16 1392 -16 1280 WIRE 272 1392 272 1344 WIRE 432 1408 432 1344 WIRE 896 1408 896 1360 WIRE 144 1440 144 1392 WIRE 208 1440 144 1440 WIRE -256 1552 -256 1360 WIRE -16 1552 -16 1472 WIRE -16 1552 -256 1552 WIRE 272 1552 272 1488 WIRE 272 1552 -16 1552 WIRE 432 1552 432 1472 WIRE 432 1552 272 1552 WIRE -16 1600 -16 1552 FLAG -16 1600 0 FLAG 896 1408 0 FLAG 368 1344 Vce_Q2 SYMBOL npn 208 1392 R0 SYMATTR InstName Q2 SYMATTR Value 2N4401 SYMBOL pnp 80 1248 M180 SYMATTR InstName Q1 SYMATTR Value 2N4403 SYMBOL res -32 1376 R0 SYMATTR InstName R1 SYMATTR Value 10K SYMBOL res 128 1296 R0 SYMATTR InstName R2 SYMATTR Value 3.72k SYMBOL cap 240 1264 R90 WINDOW 0 0 32 VBottom 0 WINDOW 3 32 32 VTop 0 SYMATTR InstName C1 SYMATTR Value 680p SYMBOL ind 416 1152 R0 SYMATTR InstName L1 SYMATTR Value 100µ SYMATTR SpiceLine Rser=1 SYMBOL LED 416 1408 R0 SYMATTR InstName D1 SYMATTR Value NSCW100 SYMATTR Description Diode SYMATTR Type diode SYMBOL voltage -256 1264 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 3 SYMBOL voltage 848 1184 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V2 SYMATTR Value 3 SYMBOL ind 1008 1184 R0 SYMATTR InstName L2 SYMATTR Value 100µ SYMATTR SpiceLine Rser=1 TEXT -288 1624 Left 0 !.tran 0 30u 10u uic