Version 4
SHEET 1 3152 680
WIRE -1648 -672 -2224 -672
WIRE 624 -656 48 -656
WIRE -1872 -112 -1872 -144
WIRE 272 -96 272 -128
WIRE 1104 -48 1104 -80
WIRE -3008 16 -3008 -32
WIRE -2768 16 -3008 16
WIRE -2224 16 -2224 -672
WIRE -2224 16 -2688 16
WIRE -2128 16 -2224 16
WIRE -1920 16 -2064 16
WIRE -1872 16 -1872 -48
WIRE -1872 16 -1920 16
WIRE -1744 16 -1744 0
WIRE -1744 16 -1872 16
WIRE 144 32 144 16
WIRE 272 32 272 -32
WIRE 272 32 144 32
WIRE 320 32 272 32
WIRE 464 32 320 32
WIRE 624 32 624 -656
WIRE 624 32 528 32
WIRE 1104 32 1104 16
WIRE 1104 32 624 32
WIRE -3008 64 -3008 16
WIRE -1744 64 -1744 16
WIRE 144 80 144 32
WIRE -1920 112 -1920 16
WIRE -1616 112 -1680 112
WIRE -1488 112 -1536 112
WIRE -1216 112 -1488 112
WIRE -112 128 -448 128
WIRE -64 128 -112 128
WIRE 80 128 16 128
WIRE 320 128 320 32
WIRE -1744 224 -1744 160
WIRE 144 240 144 176
FLAG -3200 -560 12V
FLAG -3200 -480 0
FLAG 1104 -160 12V
FLAG 1104 160 0
FLAG 144 240 0
FLAG 272 -208 12V
FLAG -112 208 0
FLAG -3008 -112 12V
FLAG -3008 144 0
FLAG 320 208 0
FLAG -448 128 out
FLAG -1744 224 0
FLAG -1872 -224 12V
FLAG -1488 192 0
FLAG -1920 192 0
FLAG -1648 -672 out
SYMBOL LED 1088 -48 R0
SYMATTR InstName D1
SYMATTR Value NSPW500BS
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL voltage -3200 -576 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL res 1088 -176 R0
SYMATTR InstName R2
SYMATTR Value 470
SYMBOL res 32 112 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R3
SYMATTR Value 100k
SYMBOL LED 256 -96 R0
SYMATTR InstName D2
SYMATTR Value NSPW500BS
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res 256 -224 R0
SYMATTR InstName R4
SYMATTR Value 3k
SYMBOL res -96 224 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R6
SYMATTR Value 100k
SYMBOL res -2992 -16 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R7
SYMATTR Value {R_sw}
SYMBOL res -2992 160 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R8
SYMATTR Value 100k
SYMBOL res -2784 0 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R17
SYMATTR Value 1
SYMBOL schottky 528 16 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D7
SYMATTR Value RB715WM
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL npn 80 80 R0
SYMATTR InstName Q1
SYMATTR Value 2N2222
SYMBOL res 336 224 R180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R5
SYMATTR Value 100k
SYMBOL res -1632 96 M90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R9
SYMATTR Value 100k
SYMBOL LED -1856 -112 M0
SYMATTR InstName D3
SYMATTR Value NSPW500BS
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL res -1856 -240 M0
SYMATTR InstName R11
SYMATTR Value 3k
SYMBOL res -1504 208 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R13
SYMATTR Value 100k
SYMBOL schottky -2128 0 M90
WINDOW 0 0 32 VBottom 2
WINDOW 3 32 32 VTop 2
SYMATTR InstName D5
SYMATTR Value RB715WM
SYMATTR Description Diode
SYMATTR Type diode
SYMBOL npn -1680 64 M0
SYMATTR InstName Q2
SYMATTR Value 2N2222
SYMBOL res -1936 208 M180
WINDOW 0 36 76 Left 2
WINDOW 3 36 40 Left 2
SYMATTR InstName R14
SYMATTR Value 100k
TEXT -3074 -560 Left 2 ;.dc V2 0 12 6
TEXT -2792 48 Right 2 ;button
TEXT 896 0 Left 2 ;led
TEXT -3042 -524 Left 2 !.op
TEXT -2992 -272 Left 2 !.step param R_sw list 1 10Meg