Version 4
SHEET 1 880 680
WIRE 160 48 128 48
WIRE 160 144 160 48
WIRE 64 208 -32 208
WIRE 160 208 128 208
WIRE 192 208 160 208
WIRE 336 208 256 208
WIRE 416 208 336 208
WIRE 48 288 48 48
WIRE 48 288 -32 288
WIRE 336 288 336 272
WIRE 336 288 48 288
WIRE 416 288 336 288
WIRE 336 320 336 288
FLAG 336 320 0
SYMBOL diode 192 224 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D2
SYMATTR Value 1N4148
SYMBOL cap 320 208 R0
SYMATTR InstName C1
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=700m Rpar=1k
SYMBOL voltage 144 48 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 2
WINDOW 39 60 56 VTop 2
SYMATTR InstName V1
SYMATTR Value PULSE(0 3.3 0 0 0 100u 200u 10000)
SYMATTR SpiceLine Rser=0.1
SYMBOL cap 144 144 R0
SYMATTR InstName C2
SYMATTR Value 10µ
SYMATTR SpiceLine Rser=500m Rpar=1k
SYMBOL voltage -32 192 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR InstName V2
SYMATTR Value 3.3
SYMBOL res 400 192 R0
SYMATTR InstName R1
SYMATTR Value 2000
SYMBOL diode 64 224 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName D1
SYMATTR Value 1N4148
TEXT -128 312 Left 2 !;op
TEXT 368 -24 Left 2 !.tran 0 1s 0 1us