Version 4
SHEET 1 2844 1336
WIRE -112 -128 -112 -144
WIRE -464 -48 -464 -64
WIRE -336 -48 -368 -48
WIRE -208 -48 -256 -48
WIRE 48 -48 -16 -48
WIRE 144 -48 48 -48
WIRE 48 -16 48 -48
WIRE 144 0 144 -48
WIRE -208 16 -336 16
WIRE -464 48 -464 32
WIRE 48 80 48 64
WIRE 144 80 144 64
WIRE -336 96 -336 16
WIRE -464 144 -464 128
WIRE -176 144 -176 128
WIRE -48 144 -48 128
WIRE -464 240 -464 224
WIRE -336 240 -336 176
FLAG -464 240 0
FLAG -464 48 0
FLAG -464 -64 +V
FLAG -464 128 -V
FLAG -368 -48 0
FLAG -176 144 -V
FLAG -112 -144 +V
FLAG -48 144 0
FLAG -336 240 0
FLAG 48 80 0
FLAG 144 80 0
SYMBOL voltage -464 -64 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -464 128 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL voltage -240 -48 M270
WINDOW 0 32 56 VTop 2
WINDOW 3 -32 56 VBottom 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 10
SYMBOL voltage -336 80 R0
WINDOW 3 19 116 Left 2
SYMATTR Value pulse(0 3.3 0 1u 1u 5m 10m)
SYMATTR InstName V4
SYMBOL res 32 -32 R0
SYMATTR InstName R1
SYMATTR Value 300
SYMBOL cap 128 0 R0
SYMATTR InstName C1
SYMATTR Value 35p
SYMBOL ADG1221 -112 0 R0
SYMATTR InstName U1
TEXT 56 240 Left 2 !.tran 30m