Version 4
SHEET 1 1068 680
WIRE 0 64 -64 64
WIRE 96 64 0 64
WIRE 272 96 144 96
WIRE 416 96 272 96
WIRE 624 96 544 96
WIRE 768 96 704 96
WIRE 0 128 0 64
WIRE 144 128 144 96
WIRE 272 128 272 96
WIRE 544 128 544 96
WIRE 96 144 96 64
WIRE 416 144 416 96
WIRE 144 240 144 208
WIRE 272 240 272 208
WIRE 272 240 144 240
WIRE 416 240 416 208
WIRE 416 240 272 240
WIRE 544 240 544 208
WIRE 544 240 416 240
WIRE 0 272 0 208
WIRE 0 272 -64 272
WIRE 96 272 96 192
WIRE 96 272 0 272
WIRE 272 272 272 240
FLAG -64 64 nP
IOPIN -64 64 In
FLAG -64 272 nN
IOPIN -64 272 In
FLAG 272 272 0
FLAG 272 96 nAmp
FLAG 768 96 nOut
IOPIN 768 96 Out
SYMBOL res -16 112 R0
SYMATTR InstName Rin
SYMATTR Value 1G
SYMBOL g 144 112 R0
SYMATTR InstName GAmp
SYMATTR Value {Trans}
SYMBOL res 256 112 R0
SYMATTR InstName R
SYMATTR Value {REq}
SYMBOL cap 400 144 R0
SYMATTR InstName C
SYMATTR Value {CEq}
SYMBOL Misc\\Epoly 544 112 R0
WINDOW 0 32 96 Left 2
WINDOW 3 -208 160 Left 2
SYMATTR InstName EOut
SYMATTR Value Value={Limit(V(nAmp),{VHigh},{VLow})}
SYMBOL res 720 80 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value {RsOut}
TEXT -32 -80 Left 2 !.Param Gain=30000 Pole=30\n.Param VHigh=4V VLow=-4V\n.Param Trans=100u RsOut=10\n.Param REq=Gain/Trans CEq=1/(2*pi*REq*Pole)