Version 4 SHEET 1 880 768 WIRE 464 16 352 16 WIRE 144 48 128 48 WIRE 160 48 144 48 WIRE 144 64 144 48 WIRE 352 80 352 16 WIRE 464 112 464 96 WIRE 528 112 560 80 WIRE 528 112 464 112 WIRE 592 112 528 112 WIRE 464 128 464 112 WIRE 528 144 528 112 WIRE 592 144 592 112 WIRE 352 224 352 160 WIRE 464 224 464 208 WIRE 464 224 352 224 WIRE 528 224 528 208 WIRE 528 224 464 224 WIRE 592 224 592 208 WIRE 592 224 528 224 WIRE 272 336 240 336 WIRE 368 336 352 336 WIRE 64 416 48 416 WIRE 144 416 128 416 WIRE 240 416 240 336 WIRE 240 416 224 416 WIRE 272 416 240 416 WIRE 368 432 368 336 WIRE 368 432 336 432 WIRE 400 432 368 432 WIRE 416 432 400 432 WIRE 528 432 496 432 WIRE 592 432 528 432 WIRE 272 448 240 448 WIRE 304 480 304 464 WIRE 528 496 528 432 WIRE 592 496 592 432 WIRE 272 560 240 560 WIRE 368 560 352 560 WIRE 144 640 128 640 WIRE 240 640 240 560 WIRE 240 640 224 640 WIRE 272 640 240 640 WIRE 368 656 368 560 WIRE 368 656 336 656 WIRE 400 656 368 656 WIRE 416 656 400 656 WIRE 528 656 528 560 WIRE 528 656 496 656 WIRE 592 656 592 576 WIRE 592 656 528 656 WIRE 272 672 240 672 WIRE 304 704 304 688 FLAG 144 64 0 FLAG 48 48 Vop+ FLAG 240 48 Vop- FLAG 352 224 0 FLAG 352 16 VA FLAG 592 112 bias FLAG 80 208 0 FLAG 80 128 in FLAG 304 400 Vop+ FLAG 304 480 Vop- FLAG 48 416 in FLAG 240 448 bias FLAG 304 624 Vop+ FLAG 304 704 Vop- FLAG 240 672 bias FLAG 400 432 a FLAG 128 640 a FLAG 592 432 out+ FLAG 592 656 out- FLAG 400 656 b DATAFLAG 560 80 "" SYMBOL Opamps\\opamp2 304 368 R0 SYMATTR InstName U1 SYMATTR Value NE5532 SYMBOL voltage 32 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 -32 56 VBottom 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V1 SYMATTR Value 15 SYMBOL voltage 144 48 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 -32 56 VBottom 2 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V2 SYMATTR Value 15 SYMBOL voltage 352 64 R0 WINDOW 123 0 0 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V3 SYMATTR Value 5 SYMBOL res 448 0 R0 SYMATTR InstName R1 SYMATTR Value 3k3 SYMBOL res 448 112 R0 SYMATTR InstName R2 SYMATTR Value 4k7 SYMBOL polcap 512 144 R0 SYMATTR InstName C1 SYMATTR Value 10µ SYMATTR Type cap SYMATTR SpiceLine V=35 Irms=44m Rser=2.8 Lser=0 mfg="Nichicon" pn="UPR1V100MAH" type="Al electrolytic" SYMBOL cap 576 144 R0 SYMATTR InstName C2 SYMATTR Value 100n SYMBOL voltage 80 112 R0 WINDOW 123 24 112 Left 2 WINDOW 39 0 0 Left 2 SYMATTR InstName V4 SYMATTR Value SINE(0 4.38 1k) SYMATTR Value2 AC 1 SYMBOL polcap 64 432 R270 WINDOW 0 32 32 VTop 2 WINDOW 3 0 32 VBottom 2 SYMATTR InstName C3 SYMATTR Value 22µ SYMATTR Type cap SYMATTR SpiceLine V=25 Irms=60m Rser=2.4 Lser=0 mfg="Nichicon" pn="UPR1E220MAH" type="Al electrolytic" SYMBOL res 128 432 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R3 SYMATTR Value 13.3K SYMATTR SpiceLine tol=1 pwr=0.1 SYMBOL res 256 352 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 4k7 SYMBOL Opamps\\opamp2 304 592 R0 SYMATTR InstName U2 SYMATTR Value NE5532 SYMBOL res 128 656 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R5 SYMATTR Value 4k7 SYMBOL res 256 576 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R6 SYMATTR Value 4k7 SYMBOL res 400 448 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R7 SYMATTR Value 330 SYMBOL res 400 672 R270 WINDOW 0 27 56 VTop 2 WINDOW 3 5 56 VBottom 2 SYMATTR InstName R8 SYMATTR Value 330 SYMBOL cap 512 496 R0 SYMATTR InstName C4 SYMATTR Value 1.5n SYMBOL res 576 480 R0 SYMATTR InstName Rin SYMATTR Value 12k TEXT 16 -48 Left 2 !.inc ne5532.lib TEXT 16 -24 Left 2 !.tran 10m TEXT 16 -8 Left 2 !;ac dec 100 10 100k