Version 4
SHEET 1 1048 680
WIRE 336 128 224 128
WIRE 560 128 416 128
WIRE 224 192 224 128
WIRE 48 224 0 224
WIRE 96 224 48 224
WIRE 224 224 224 192
WIRE 224 224 176 224
WIRE 240 224 224 224
WIRE 0 240 0 224
WIRE 560 272 560 128
WIRE 560 272 528 272
WIRE 624 272 560 272
WIRE 0 336 0 320
WIRE 240 352 240 320
FLAG 0 336 0
FLAG 48 224 Vin
FLAG 240 352 0
FLAG 624 272 Vout
FLAG 224 192 Vm
SYMBOL voltage 0 224 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName Vin
SYMATTR Value 1
SYMBOL Ideal_op_amp 288 272 R0
SYMATTR InstName X1
SYMBOL res 80 240 R270
WINDOW 0 39 34 VTop 0
WINDOW 3 67 79 VBottom 0
SYMATTR InstName Rin
SYMATTR Value 1k
SYMBOL res 320 144 R270
WINDOW 0 37 31 VTop 0
WINDOW 3 64 74 VBottom 0
SYMATTR InstName Rf
SYMATTR Value 3k
TEXT 392 344 Left 0 !.tf V(vout,0) Vin