Version 4
SHEET 1 880 680
WIRE 240 80 240 48
WIRE 144 144 80 144
WIRE 384 144 336 144
WIRE 384 160 384 144
WIRE 144 208 32 208
WIRE 32 224 32 208
WIRE 240 336 240 320
FLAG 384 240 0
FLAG 240 336 0
FLAG 32 304 0
FLAG -160 240 0
FLAG 0 144 0
FLAG -160 160 Vdd
FLAG 240 48 Vdd
SYMBOL voltage 32 208 R0
WINDOW 3 -219 129 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR Value PULSE(0 3 0 10n 10n 500n 1u 10)
SYMATTR InstName V1
SYMBOL voltage 96 144 R90
WINDOW 0 -32 56 VBottom 2
WINDOW 3 32 56 VTop 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 1.5
SYMBOL voltage -160 144 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 3.3
SYMBOL res 368 144 R0
SYMATTR InstName R1
SYMATTR Value 50
SYMBOL ADG811 240 192 R0
SYMATTR InstName U1
TEXT -184 376 Left 2 !.tran 10u