Version 4
SHEET 1 880 680
WIRE -96 144 -112 144
WIRE -64 144 -96 144
WIRE 32 144 0 144
WIRE 64 144 32 144
WIRE 176 144 144 144
WIRE 240 144 176 144
WIRE 368 144 320 144
WIRE 432 144 368 144
WIRE 176 176 176 144
WIRE -112 208 -112 144
WIRE 32 208 32 144
WIRE 432 208 432 144
WIRE 176 288 176 256
WIRE -112 368 -112 288
WIRE 32 368 32 272
WIRE 32 368 -112 368
WIRE 176 368 176 352
WIRE 176 368 32 368
WIRE 432 368 432 288
WIRE 432 368 176 368
WIRE 432 400 432 368
FLAG 432 400 0
FLAG 368 144 Vout
FLAG -96 144 Vin
SYMBOL voltage -112 192 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -94 24 Left 0
WINDOW 3 -209 100 Left 0
SYMATTR InstName V1
SYMATTR Value SINE(0 320 50 0)
SYMBOL res 224 160 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R3
SYMATTR Value 1m
SYMBOL GDT 432 192 R0
SYMATTR InstName U1
SYMBOL diode -64 160 R270
WINDOW 0 32 32 VTop 0
WINDOW 3 0 32 VBottom 0
SYMATTR InstName D1
SYMATTR Value BYW96E
SYMBOL cap 16 208 R0
SYMATTR InstName C1
SYMATTR Value 0.68µ
SYMBOL res 48 160 R270
WINDOW 0 32 56 VTop 0
WINDOW 3 0 56 VBottom 0
SYMATTR InstName R2
SYMATTR Value 100K
SYMBOL res 160 160 R0
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL cap 160 288 R0
SYMATTR InstName C2
SYMATTR Value 4.7µ
TEXT -8 408 Left 0 !.tran 0 200m 0 20u