Version 4
SHEET 1 880 1140
WIRE 160 160 160 144
WIRE 128 176 48 176
WIRE 272 192 192 192
WIRE 336 192 272 192
WIRE -160 208 -240 208
WIRE 128 208 -160 208
WIRE 160 240 160 224
WIRE -240 288 -240 208
WIRE 48 320 48 176
WIRE 128 320 48 320
WIRE 272 320 272 192
WIRE 272 320 208 320
WIRE 48 336 48 320
WIRE -240 432 -240 368
WIRE 48 448 48 416
WIRE 160 496 160 480
WIRE 256 496 256 480
WIRE 160 592 160 576
WIRE 256 592 256 576
WIRE -48 784 -48 768
WIRE 288 832 288 816
WIRE 256 848 208 848
WIRE 400 864 320 864
WIRE 464 864 400 864
WIRE -176 880 -240 880
WIRE 48 880 -112 880
WIRE 128 880 48 880
WIRE 256 880 128 880
WIRE 48 896 48 880
WIRE 288 912 288 896
WIRE -240 960 -240 880
WIRE -48 992 -48 864
WIRE 48 992 48 976
WIRE 48 992 -48 992
WIRE 96 992 48 992
WIRE 208 992 208 848
WIRE 208 992 176 992
WIRE 256 992 208 992
WIRE 400 992 400 864
WIRE 400 992 336 992
WIRE -48 1008 -48 992
WIRE 48 1040 48 992
WIRE -240 1104 -240 1040
WIRE -48 1120 -48 1088
WIRE 48 1120 48 1104
FLAG 48 448 0
FLAG -240 432 0
FLAG 160 592 0
FLAG 160 144 V+
FLAG 160 240 V-
FLAG 160 480 V+
FLAG 256 592 0
FLAG 256 480 V-
FLAG -240 208 in
FLAG 336 192 out
FLAG -240 1104 0
FLAG 288 816 V+
FLAG -240 880 in2
FLAG 464 864 out2
FLAG -48 768 V+
FLAG -48 1120 0
FLAG 48 1120 0
FLAG 288 912 0
DATAFLAG -160 208 "round($*1k)/1k"
DATAFLAG 272 192 "round($*1k)/1k"
DATAFLAG 128 880 "round($*1k)/1k"
DATAFLAG 400 864 "round($*1k)/1k"
SYMBOL voltage 160 480 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V1
SYMATTR Value 6
SYMBOL voltage -240 272 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V2
SYMATTR Value SINE(0 1 3k)
SYMBOL res 32 320 R0
SYMATTR InstName R2
SYMATTR Value 15k
SYMATTR SpiceLine tol=5 pwr=0.1
SYMBOL res 224 304 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R1
SYMATTR Value 10k
SYMBOL voltage 256 480 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V3
SYMATTR Value -6
SYMBOL voltage -240 944 R0
WINDOW 123 0 0 Left 2
WINDOW 39 0 0 Left 2
SYMATTR InstName V4
SYMATTR Value SINE(0 1 3k)
SYMBOL res 352 976 R90
WINDOW 0 0 56 VBottom 2
WINDOW 3 32 56 VTop 2
SYMATTR InstName R4
SYMATTR Value 10k
SYMBOL res -64 768 R0
SYMATTR InstName R5
SYMATTR Value 15k
SYMBOL cap -176 896 R270
WINDOW 0 32 32 VTop 2
WINDOW 3 0 32 VBottom 2
SYMATTR InstName C1
SYMATTR Value 1µ
SYMBOL res -64 992 R0
SYMATTR InstName R6
SYMATTR Value 10k
SYMBOL res 80 1008 R270
WINDOW 0 32 56 VTop 2
WINDOW 3 0 56 VBottom 2
SYMATTR InstName R7
SYMATTR Value 15k
SYMBOL polcap 32 1040 R0
SYMATTR InstName C2
SYMATTR Value 47µ
SYMBOL res 32 880 R0
SYMATTR InstName R3
SYMATTR Value 10k
SYMBOL Opamps\\opamp2 160 128 R0
SYMATTR InstName U1
SYMATTR Value LM324
SYMBOL Opamps\\opamp2 288 800 R0
SYMATTR InstName U2
SYMATTR Value LM324
TEXT -248 504 Left 2 !.tran 1m
TEXT -248 544 Left 2 !.lib LM324.5_1
TEXT -240 680 Left 4 ;Single Supply
TEXT -256 104 Left 4 ;Dual Supply