Version 4
SHEET 1 880 680
WIRE -112 -48 -112 -80
WIRE -112 64 -112 32
WIRE -112 64 -144 64
WIRE -112 96 -112 64
WIRE -112 208 -112 176
WIRE 224 240 96 240
WIRE 160 336 160 304
WIRE 96 352 96 240
WIRE 128 352 96 352
WIRE 224 368 224 240
WIRE 224 368 192 368
WIRE 272 368 224 368
WIRE 32 384 -16 384
WIRE 128 384 32 384
WIRE -16 432 -16 384
WIRE 160 432 160 400
WIRE -16 560 -16 512
FLAG -144 64 0
FLAG -112 -80 Vcc
FLAG 160 304 Vcc
FLAG -112 208 Vee
FLAG 160 432 Vee
FLAG 272 368 out
FLAG 32 384 in
FLAG -16 560 0
SYMBOL Opamps\\opamp2 160 304 R0
SYMATTR InstName U1
SYMATTR Value LF156/NS
SYMBOL voltage -112 -64 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V1
SYMATTR Value 12
SYMBOL voltage -112 80 R0
WINDOW 123 0 0 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V2
SYMATTR Value 12
SYMBOL voltage -16 416 R0
WINDOW 123 24 132 Left 0
WINDOW 39 0 0 Left 0
SYMATTR InstName V3
SYMATTR Value 0
SYMATTR Value2 AC 1
TEXT 48 -96 Left 0 !.inc lf156.mod
TEXT 48 -48 Left 0 !.ac oct 50 1 10meg