Version 4
SHEET 1 1052 680
WIRE 128 64 96 64
WIRE 160 64 128 64
WIRE 256 64 160 64
WIRE 272 64 256 64
WIRE 352 64 336 64
WIRE 368 64 352 64
WIRE 464 64 448 64
WIRE 160 96 160 64
WIRE 256 96 256 64
WIRE 96 256 96 64
WIRE 256 256 96 256
WIRE 96 272 96 256
WIRE 464 272 464 64
WIRE 464 272 320 272
WIRE 496 272 464 272
WIRE 256 288 224 288
WIRE 224 336 224 288
FLAG 224 336 0
FLAG 160 176 0
FLAG 256 160 0
FLAG 496 272 out
IOPIN 496 272 Out
FLAG 352 64 1
FLAG 128 64 2
FLAG 96 352 0
SYMBOL oa_limit 288 336 M180
SYMATTR InstName A
SYMATTR SpiceLine gain={g}
SYMATTR SpiceLine2 limit_p=5 limit_n=-5
SYMBOL res 464 48 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 1k
SYMBOL cap 336 48 R90
WINDOW 0 0 32 VBottom 2
WINDOW 3 -55 32 VTop 2
SYMATTR InstName C1
SYMATTR Value {1/2/pi/1k/fg}
SYMBOL cap 272 160 R180
WINDOW 0 24 56 Left 2
WINDOW 3 -71 -37 Left 2
SYMATTR InstName C2
SYMATTR Value {1/2/pi/1k/fg}
SYMBOL res 144 80 R0
SYMATTR InstName R2
SYMATTR Value 1k
SYMBOL current 96 352 R180
WINDOW 0 24 80 Left 2
WINDOW 3 -126 -49 Left 2
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName I1
SYMATTR Value PULSE(0 0.05 1u 1p 1p 1u 100 1)
TEXT 744 320 Left 2 !.lib mult.sub
TEXT 744 248 Left 2 !.tran 1u 20m 0 1u
TEXT 744 352 Left 2 !.lib oa_limit.sub
TEXT 744 392 Left 2 !.param fg=1k\n.param g=3.1\n.step param g list 2.9 3 3.05