Version 4
SHEET 1 880 680
WIRE -48 0 -48 -48
WIRE -144 64 -304 64
WIRE -496 80 -496 32
WIRE -400 80 -400 32
WIRE -304 80 -304 64
WIRE 160 96 48 96
WIRE 288 96 160 96
WIRE -144 128 -208 128
WIRE 160 128 160 96
WIRE 288 128 288 96
WIRE -208 144 -208 128
WIRE -496 176 -496 160
WIRE -400 176 -400 160
WIRE -304 176 -304 160
WIRE -144 192 -208 192
WIRE 160 240 160 208
WIRE 288 240 288 192
WIRE -208 256 -208 192
WIRE -208 352 -208 336
WIRE -112 352 -112 304
WIRE 16 352 16 304
FLAG 160 240 0
FLAG 288 240 0
FLAG 16 352 0
FLAG -208 352 0
FLAG -208 144 0
FLAG -304 176 0
FLAG -112 352 -V
FLAG -48 -48 +V
FLAG -496 176 0
FLAG -400 176 0
FLAG -400 32 +V
FLAG -496 32 -V
SYMBOL voltage -208 240 M0
WINDOW 3 17 96 Left 2
SYMATTR Value PULSE( 0 3 25u 1n 1n 20u)
SYMATTR InstName V1
SYMBOL res 144 112 R0
SYMATTR InstName R1
SYMATTR Value 301
SYMBOL cap 272 128 R0
SYMATTR InstName C1
SYMATTR Value 36p
SYMBOL voltage -496 64 R0
SYMATTR InstName V4
SYMATTR Value -5
SYMBOL voltage -400 64 R0
SYMATTR InstName V5
SYMATTR Value 5
SYMBOL voltage -304 64 R0
SYMATTR InstName V2
SYMATTR Value 3.3
SYMBOL ADG619 -48 144 R0
SYMATTR InstName U1
TEXT 128 352 Left 2 !.tran 75u