Version 4 SHEET 1 888 1240 WIRE -560 768 -720 768 WIRE -432 768 -560 768 WIRE -224 768 -432 768 WIRE -96 768 -224 768 WIRE -560 784 -560 768 WIRE -96 784 -96 768 WIRE -720 800 -720 768 WIRE -432 800 -432 768 WIRE -224 800 -224 768 WIRE -720 912 -720 880 WIRE -560 944 -560 928 WIRE -432 944 -432 880 WIRE -432 944 -496 944 WIRE -224 944 -224 880 WIRE -160 944 -224 944 WIRE -96 944 -96 928 WIRE -560 976 -560 944 WIRE -96 976 -96 944 WIRE -336 992 -224 944 WIRE -320 992 -432 944 WIRE -416 1024 -336 992 WIRE -416 1024 -496 1024 WIRE -240 1024 -320 992 WIRE -160 1024 -240 1024 WIRE -560 1088 -560 1072 WIRE -96 1088 -96 1072 FLAG -96 1088 0 FLAG -560 1088 0 FLAG -720 912 0 SYMBOL RES -576 768 R0 SYMATTR InstName R1 SYMATTR Value 600 SYMBOL res -112 768 R0 SYMATTR InstName R2 SYMATTR Value 600 SYMBOL VOLTAGE -720 784 R0 SYMATTR InstName V1 SYMATTR Value 5 SYMBOL NPN -160 976 R0 SYMATTR InstName Q1 SYMATTR Value 2SC1815GR SYMBOL npn -496 976 M0 SYMATTR InstName Q2 SYMATTR Value 2SC1815GR SYMBOL res -240 784 R0 SYMATTR InstName R5 SYMATTR Value 40k SYMBOL res -448 784 R0 WINDOW 3 40 85 Left 2 SYMATTR Value 40k SYMATTR InstName R6 SYMBOL cap -96 928 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 0.002µ SYMBOL cap -496 928 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 0.002µ SYMBOL LED -112 864 R0 SYMATTR InstName D1 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode SYMBOL LED -576 864 R0 SYMATTR InstName D2 SYMATTR Value NSPW500BS SYMATTR Description Diode SYMATTR Type diode TEXT -200 1136 Left 2 !.tran 2m startup TEXT -296 1152 Top 1 ;This example schematic is supplied for informational/educational purposes only.