Version 4
SHEET 1 2844 1336
WIRE -112 -112 -112 -128
WIRE -448 -80 -448 -96
WIRE -304 -48 -336 -48
WIRE -208 -48 -224 -48
WIRE 16 -48 -16 -48
WIRE 112 -48 16 -48
WIRE 16 -16 16 -48
WIRE 112 0 112 -48
WIRE -448 16 -448 0
WIRE -208 16 -304 16
WIRE 16 80 16 64
WIRE 112 80 112 64
WIRE -304 96 -304 16
WIRE -448 112 -448 96
WIRE -160 144 -160 128
WIRE -64 144 -64 128
WIRE -448 208 -448 192
WIRE -304 240 -304 176
FLAG -448 208 0
FLAG -448 16 0
FLAG -448 -96 +V
FLAG -448 96 -V
FLAG -336 -48 0
FLAG -160 144 -V
FLAG -112 -128 +V
FLAG -64 144 0
FLAG -304 240 0
FLAG 16 80 0
FLAG 112 80 0
SYMBOL voltage -448 -96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 15
SYMBOL voltage -448 96 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value -15
SYMBOL voltage -208 -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 -304 80 R0
WINDOW 3 19 116 Left 2
SYMATTR Value pulse(0 3.3 0 1u 1u 5m 10m)
SYMATTR InstName V4
SYMBOL res 0 -32 R0
SYMATTR InstName R1
SYMATTR Value 300
SYMBOL cap 96 0 R0
SYMATTR InstName C1
SYMATTR Value 35p
SYMBOL ADG1421 -112 0 R0
SYMATTR InstName U1
TEXT 8 248 Left 2 !.tran 30m