Version 4
SHEET 1 916 680
WIRE -96 48 -208 48
WIRE -80 48 -96 48
WIRE 16 48 0 48
WIRE 96 48 16 48
WIRE 400 48 96 48
WIRE 16 64 16 48
WIRE -208 128 -208 48
WIRE 400 128 400 48
WIRE 96 144 96 48
WIRE -96 160 -96 48
WIRE 64 160 -96 160
WIRE 160 176 128 176
WIRE 256 176 224 176
WIRE 16 192 16 144
WIRE 64 192 16 192
WIRE 16 208 16 192
WIRE 256 208 256 176
WIRE -208 304 -208 208
WIRE -16 304 -208 304
WIRE 16 304 16 288
WIRE 16 304 -16 304
WIRE 96 304 96 208
WIRE 96 304 16 304
WIRE 256 304 256 288
WIRE 256 304 96 304
WIRE 400 304 400 208
WIRE 400 304 256 304
WIRE -16 320 -16 304
FLAG -16 320 0
SYMBOL voltage 400 112 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 5
SYMBOL res 240 192 R0
SYMATTR InstName R1
SYMATTR Value 200
SYMBOL res 0 192 R0
SYMATTR InstName R2
SYMATTR Value 9950
SYMBOL res 0 48 R0
SYMATTR InstName R3
SYMATTR Value 50
SYMBOL res 16 32 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 1
SYMBOL LED 160 192 R270
WINDOW 0 72 32 VTop 2
WINDOW 3 50 125 VBottom 2
SYMATTR InstName D1
SYMATTR Value NSPW500BS
SYMBOL current -208 128 R0
WINDOW 3 -80 198 Left 2
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName I1
SYMATTR Value PULSE(1m 100m 0 10m 10m 0 20m 1)
SYMBOL Comparators\\LT1716 96 176 R0
SYMATTR InstName U1
TEXT -290 298 Left 2 !.tran 20m