Version 4
SHEET 1 980 772
WIRE 176 0 144 0
WIRE 288 0 256 0
WIRE 336 0 288 0
WIRE 496 0 416 0
WIRE -16 32 -16 16
WIRE 352 112 352 96
WIRE -16 128 -16 112
WIRE 288 128 288 0
WIRE 320 128 288 128
WIRE 496 144 496 0
WIRE 496 144 384 144
WIRE 544 144 496 144
WIRE 224 160 160 160
WIRE 320 160 224 160
WIRE 160 192 160 160
WIRE 352 192 352 176
WIRE -16 224 -16 208
WIRE -16 320 -16 304
WIRE 160 320 160 272
WIRE 496 384 496 144
WIRE 496 384 -16 384
WIRE -16 560 -16 384
WIRE 64 560 -16 560
WIRE 176 560 144 560
WIRE 288 560 256 560
WIRE 384 560 288 560
WIRE 480 560 384 560
WIRE 384 576 384 560
WIRE 288 592 288 560
WIRE 480 592 480 560
WIRE 288 704 288 656
WIRE 384 704 384 656
WIRE 384 704 288 704
WIRE 480 704 480 672
WIRE 480 704 384 704
WIRE 384 736 384 704
FLAG 144 0 0
FLAG -16 320 0
FLAG 160 320 0
FLAG -16 128 0
FLAG 352 96 V+
FLAG 352 192 V-
FLAG -16 16 V+
FLAG -16 208 V-
FLAG 544 144 out
IOPIN 544 144 Out
FLAG 224 160 in
FLAG 384 736 0
SYMBOL res 320 16 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R1
SYMATTR Value 20k
SYMBOL res 272 -16 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R2
SYMATTR Value 5k
SYMBOL voltage 160 176 R0
WINDOW 123 0 0 Left 2
WINDOW 39 24 124 Left 2
SYMATTR SpiceLine Rser=50
SYMATTR InstName V1
SYMATTR Value SINE(0 3 1k 5m 0 0 5)
SYMBOL voltage -16 208 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value -24
SYMBOL voltage -16 16 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value 24
SYMBOL Opamps\\opamp2 352 80 R0
SYMATTR InstName U1
SYMATTR Value OPA541
SYMBOL res 160 576 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName RL2
SYMATTR Value 4
SYMBOL res 368 560 R0
SYMATTR InstName RL1
SYMATTR Value 20
SYMBOL ind 464 576 R0
SYMATTR InstName LL1
SYMATTR Value 10m
SYMBOL cap 272 592 R0
SYMATTR InstName CL1
SYMATTR Value 400µ
SYMBOL ind 48 576 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 5 56 VBottom 2
SYMATTR InstName LL2
SYMATTR Value 0.4m
TEXT -40 -160 Left 2 !.tran 0 20m 0 1u
TEXT -40 -128 Left 2 !.options plotwinsize=0
TEXT -40 -200 Left 2 !.inc OPA541.lib
LINE Normal 176 608 144 640 2
LINE Normal 176 736 176 608 2
LINE Normal 144 704 176 736 2
RECTANGLE Normal 560 768 32 464 2
RECTANGLE Normal 144 704 112 640 2