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mixer.asc
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mixer.asc
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Version 4
SHEET 1 1040 680
WIRE 304 64 112 64
WIRE 944 160 736 160
WIRE 944 176 944 160
WIRE 112 192 112 64
WIRE 736 224 736 160
WIRE 736 224 688 224
WIRE 768 224 736 224
WIRE 944 272 944 256
WIRE 944 272 928 272
WIRE -64 304 -64 288
WIRE -64 304 -96 304
WIRE 304 304 304 144
WIRE -64 320 -64 304
WIRE 688 352 688 224
WIRE 688 352 352 352
WIRE 304 400 304 384
WIRE 304 528 304 480
FLAG -64 208 v+
FLAG 848 208 v+
FLAG -64 400 v-
FLAG 848 336 v-
FLAG -96 304 0
FLAG 304 608 0
FLAG 112 272 0
FLAG 768 320 0
SYMBOL voltage -64 192 R0
SYMATTR InstName V1
SYMATTR Value 4.5
SYMBOL voltage -64 304 R0
SYMATTR InstName V2
SYMATTR Value 4.5
SYMBOL tl072/tl07x 832 272 R0
SYMATTR InstName U1
SYMBOL voltage 304 512 R0
SYMATTR InstName V3
SYMATTR Value SINE(0 0.5 250)
SYMATTR Value2 AC 1
SYMBOL voltage 112 176 R0
SYMATTR InstName V4
SYMATTR Value SINE(0 0.5 1K)
SYMATTR Value2 AC 1
SYMBOL potentiometer/potentiometer 288 288 R0
SYMATTR InstName U3
SYMATTR Value Rtot=1000K wiper={P}
SYMBOL res 928 160 R0
SYMATTR InstName R2
SYMATTR Value 1000k
SYMBOL res 288 48 R0
SYMATTR InstName R1
SYMATTR Value 470k
SYMBOL res 288 384 R0
SYMATTR InstName R5
SYMATTR Value 470k
TEXT 480 56 Left 2 !.step param P list 1 .5\n# .step param R1 list 1K 10K 1000K\n.tran 20m