Version 4 SHEET 1 888 1240 WIRE -560 768 -720 768 WIRE -480 768 -560 768 WIRE -224 768 -480 768 WIRE -96 768 -224 768 WIRE -560 784 -560 768 WIRE -480 784 -480 768 WIRE -224 784 -224 768 WIRE -96 784 -96 768 WIRE -720 800 -720 768 WIRE -720 912 -720 880 WIRE -560 928 -560 864 WIRE -368 928 -560 928 WIRE -96 928 -96 864 WIRE -96 928 -304 928 WIRE -560 976 -560 928 WIRE -96 976 -96 928 WIRE -480 1024 -480 864 WIRE -480 1024 -496 1024 WIRE -432 1024 -480 1024 WIRE -368 1024 -304 928 WIRE -304 1024 -368 928 WIRE -224 1024 -224 864 WIRE -224 1024 -240 1024 WIRE -160 1024 -224 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 560 SYMBOL res -112 768 R0 SYMATTR InstName R2 SYMATTR Value 10k SYMBOL res -496 768 R0 SYMATTR InstName R3 SYMATTR Value 220k SYMBOL res -240 768 R0 SYMATTR InstName R4 SYMATTR Value 100K SYMBOL cap -368 1008 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C1 SYMATTR Value 10µ SYMBOL cap -240 1008 R90 WINDOW 0 0 32 VBottom 2 WINDOW 3 32 32 VTop 2 SYMATTR InstName C2 SYMATTR Value 1µ SYMBOL VOLTAGE -720 784 R0 WINDOW 123 0 0 Left 0 WINDOW 39 0 0 Left 0 SYMATTR InstName V1 SYMATTR Value 12 SYMBOL NPN -160 976 R0 SYMATTR InstName Q1 SYMATTR Value BC846B SYMBOL npn -496 976 M0 SYMATTR InstName Q2 SYMATTR Value BC846B TEXT -200 1136 Left 2 !.tran 10 startup TEXT -296 1152 Top 1 ;This example schematic is supplied for informational/educational purposes only.