Version 4
SHEET 1 880 680
WIRE 112 -48 -48 -48
WIRE -48 -32 -48 -48
WIRE -48 64 -48 48
WIRE 112 96 112 -48
WIRE -304 144 -448 144
WIRE -48 144 -304 144
WIRE 0 144 -48 144
WIRE 288 144 224 144
WIRE 416 144 368 144
WIRE 544 144 416 144
WIRE -448 176 -448 144
WIRE 544 176 544 144
WIRE -48 224 -48 144
WIRE 0 224 -48 224
WIRE 288 224 224 224
WIRE 416 224 416 144
WIRE 416 224 368 224
WIRE -448 304 -448 256
WIRE 112 304 112 272
WIRE 544 304 544 240
FLAG 112 304 0
FLAG 544 304 0
FLAG -448 304 0
FLAG -48 64 0
FLAG 544 144 out
FLAG -304 144 in
SYMBOL Misc\\EuropeanResistor 272 160 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 10
SYMBOL Misc\\EuropeanResistor 272 240 R270
WINDOW 0 27 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName R2
SYMATTR Value 10
SYMBOL cap 528 176 R0
SYMATTR InstName CL
SYMATTR Value 2n
SYMBOL voltage -448 160 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 10 0 20n 20n 5u 10u)
SYMATTR SpiceLine Rser=50
SYMBOL voltage -48 -48 R0
SYMATTR InstName V2
SYMATTR Value 10
SYMBOL ZXGD3002E6 112 96 R0
SYMATTR InstName U1
TEXT -456 -24 Left 2 !.tran  10u