Version 4
SHEET 1 1200 680
WIRE 64 48 -64 48
WIRE 192 48 128 48
WIRE -64 112 -64 48
WIRE 32 112 -64 112
WIRE 64 112 32 112
WIRE 192 112 192 48
WIRE 192 112 144 112
WIRE -64 144 -64 112
WIRE 240 144 128 144
WIRE 128 176 128 144
WIRE 32 192 32 112
WIRE 96 192 32 192
WIRE 192 208 192 112
WIRE 192 208 160 208
WIRE 256 208 192 208
WIRE 96 224 32 224
WIRE -64 256 -64 224
WIRE -64 272 -64 256
WIRE 32 272 32 224
WIRE 128 272 128 240
WIRE 240 272 240 144
WIRE -64 384 -64 352
WIRE 32 384 32 352
WIRE 128 384 128 352
WIRE 240 384 240 352
FLAG 240 384 0
FLAG 32 384 0
FLAG -64 384 0
FLAG 256 208 out
IOPIN 256 208 Out
FLAG 128 384 0
FLAG -64 256 in
SYMBOL voltage 240 256 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -14 62 Left 0
WINDOW 3 12 10 Left 0
SYMATTR InstName Vp
SYMATTR Value 5
SYMBOL voltage 128 256 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -14 62 Left 0
WINDOW 3 17 11 Left 0
SYMATTR InstName Vn
SYMATTR Value -5
SYMBOL res -48 240 R180
WINDOW 0 -34 64 Left 0
WINDOW 3 -37 32 Left 0
SYMATTR InstName R2
SYMATTR Value 400
SYMBOL voltage -64 256 R0
WINDOW 3 -15 105 Right 0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
WINDOW 0 -17 62 Left 0
SYMATTR Value PULSE(-0.1 0.1 0 10ns 10ns 0.5us 1us)
SYMATTR InstName Vin
SYMBOL cap 128 32 R90
WINDOW 0 17 63 VBottom 0
WINDOW 3 -12 1 VTop 0
SYMATTR InstName C1
SYMATTR Value 1p
SYMBOL res 160 96 R90
WINDOW 0 15 116 VBottom 0
WINDOW 3 -11 0 VTop 0
SYMATTR InstName R1
SYMATTR Value 100k
SYMBOL res 16 256 R0
SYMATTR InstName R3
SYMATTR Value 100
SYMBOL Robertugo\\OPAMP5 128 144 R0
WINDOW 0 -26 63 Left 0
WINDOW 38 10 96 Left 0
SYMATTR InstName U1
SYMATTR SpiceModel AD8032a
TEXT -520 64 Left 0 !.Tran 0 10u 0 10n
TEXT -520 104 Left 0 ;AD8032 test circuit:\nIt seems to be necessary\nto reduce Gmin to 1e-11.
TEXT -520 32 Left 0 !.options gmin=1e-11
TEXT -288 32 Left 0 ;<- important for convergence
TEXT -288 32 Left 0 ;<- important for convergence