Version 4 SHEET 1 1280 2032 WIRE -2400 -128 -2464 -128 WIRE -2240 -128 -2240 -176 WIRE -2240 -128 -2320 -128 WIRE -2144 -128 -2240 -128 WIRE -1952 -128 -1952 -176 WIRE -1952 -128 -2064 -128 WIRE -1712 -128 -1952 -128 WIRE -1488 -128 -1712 -128 WIRE -2464 -96 -2464 -128 WIRE -2464 -96 -2496 -96 WIRE -1488 -80 -1488 -128 WIRE -1456 -80 -1488 -80 WIRE -1264 -80 -1376 -80 WIRE -2464 -64 -2464 -96 WIRE -1712 -64 -1712 -128 WIRE -1600 -64 -1632 -64 WIRE -1552 0 -1664 0 WIRE -1360 0 -1552 0 WIRE -2560 16 -2560 -48 WIRE -2496 32 -2496 -96 WIRE -2496 32 -2528 32 WIRE -1664 32 -1664 0 WIRE -2592 48 -2640 48 WIRE -2464 48 -2464 16 WIRE -2288 48 -2464 48 WIRE -1712 48 -1712 -64 WIRE -1696 48 -1712 48 WIRE -1360 48 -1360 0 WIRE -2496 64 -2528 64 WIRE -2240 64 -2240 -128 WIRE -1952 64 -1952 -128 WIRE -1600 64 -1600 -64 WIRE -1600 64 -1632 64 WIRE -1488 64 -1488 -80 WIRE -1392 64 -1488 64 WIRE -2464 80 -2464 48 WIRE -1696 80 -1744 80 WIRE -1264 80 -1264 -80 WIRE -1264 80 -1328 80 WIRE -1392 96 -1472 96 WIRE -2560 144 -2560 80 WIRE -2528 144 -2560 144 WIRE -1664 144 -1664 96 WIRE -1504 144 -1664 144 WIRE -1360 144 -1360 112 WIRE -1360 144 -1504 144 WIRE -1504 176 -1504 144 WIRE -1056 176 -1056 128 WIRE -1056 176 -1504 176 WIRE -2496 192 -2496 64 WIRE -2464 192 -2464 160 WIRE -2464 192 -2496 192 WIRE -1744 208 -1744 80 WIRE -1744 208 -1776 208 WIRE -1712 208 -1744 208 WIRE -1600 208 -1600 64 WIRE -1600 208 -1632 208 WIRE -2464 224 -2464 192 WIRE -2400 224 -2464 224 WIRE -2464 240 -2464 224 WIRE -1472 240 -1472 96 WIRE -1408 240 -1472 240 WIRE -1264 240 -1264 80 WIRE -1264 240 -1328 240 WIRE -1056 272 -1056 176 WIRE -1056 304 -1056 272 WIRE -1776 320 -1776 208 WIRE -1472 320 -1472 240 WIRE -2352 352 -2352 304 WIRE -2640 368 -2640 48 WIRE -2464 368 -2464 320 WIRE -2464 368 -2640 368 WIRE -2400 368 -2400 224 WIRE -2384 368 -2400 368 WIRE -2288 384 -2288 48 WIRE -2288 384 -2320 384 WIRE -2384 400 -2400 400 WIRE -2464 432 -2464 368 WIRE -1552 448 -1552 0 WIRE -1552 448 -1600 448 WIRE -2352 496 -2352 416 WIRE -2320 496 -2352 496 WIRE -1552 512 -1552 448 WIRE -2464 528 -2464 496 WIRE -2400 528 -2400 400 WIRE -2400 528 -2464 528 WIRE -2464 576 -2464 528 WIRE -2464 752 -2464 656 WIRE -2240 752 -2240 128 WIRE -2240 752 -2464 752 WIRE -1952 752 -1952 128 WIRE -1952 752 -2240 752 WIRE -1776 752 -1776 400 WIRE -1776 752 -1952 752 WIRE -1680 752 -1776 752 WIRE -1552 752 -1552 592 WIRE -1552 752 -1680 752 WIRE -1472 752 -1472 400 WIRE -1472 752 -1552 752 WIRE -1056 752 -1056 352 WIRE -1056 752 -1472 752 WIRE -1680 816 -1680 752 FLAG -1680 816 0 FLAG -1952 -176 Vc1 FLAG -2240 -176 Vc2 FLAG -2560 -48 V2 FLAG -2320 496 V2 FLAG -2528 144 V1 FLAG -2352 304 V1 FLAG -1056 128 V1 FLAG -1600 448 V2 SYMBOL res -1472 -64 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R4 SYMATTR Value 220 SYMATTR SpiceLine tol=5 pwr=1 SYMBOL res -1424 256 R270 WINDOW 0 32 56 VTop 2 WINDOW 3 -7 45 VBottom 2 SYMATTR InstName R5 SYMATTR Value 220 SYMATTR SpiceLine tol=5 pwr=1 SYMBOL res -1488 304 R0 WINDOW 0 81 36 Left 2 WINDOW 3 75 64 Left 2 SYMATTR InstName R6 SYMATTR Value 2.2k SYMATTR SpiceLine tol=5 pwr=1 SYMBOL res -1616 -48 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R1 SYMATTR Value 22k SYMATTR SpiceLine tol=5 pwr=1 SYMBOL res -1616 224 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R2 SYMATTR Value 22k SYMATTR SpiceLine tol=5 pwr=1 SYMBOL res -1760 304 M0 SYMATTR InstName R3 SYMATTR Value 3.3k SYMATTR SpiceLine tol=5 pwr=1 SYMBOL res -2048 -112 M270 WINDOW 0 32 56 VTop 2 WINDOW 3 0 56 VBottom 2 SYMATTR InstName R SYMATTR Value 1.6K SYMATTR SpiceLine tol=5 pwr=1 SYMBOL cap -1968 64 R0 WINDOW 0 65 5 Left 2 WINDOW 3 58 39 Left 2 SYMATTR InstName C1 SYMATTR Value 10n SYMATTR SpiceLine V=100 SYMBOL cap -2256 64 R0 WINDOW 0 59 10 Left 2 WINDOW 3 59 51 Left 2 SYMATTR InstName C2 SYMATTR Value 100n SYMATTR SpiceLine V=100 SYMBOL voltage -1056 256 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 124 Left 2 SYMATTR InstName V1 SYMATTR Value 9V SYMBOL voltage -1552 496 R0 WINDOW 123 0 0 Left 2 WINDOW 39 24 124 Left 2 SYMATTR InstName V2 SYMATTR Value -9V SYMBOL Opamps\\opamp2 -1664 128 M180 SYMATTR InstName U1 SYMATTR Value TL082 SYMBOL Opamps\\opamp2 -1360 144 M180 SYMATTR InstName U2 SYMATTR Value TL082 SYMBOL res -2480 -80 R0 SYMATTR InstName R7 SYMATTR Value 100 SYMBOL res -2480 64 R0 SYMATTR InstName R8 SYMATTR Value 1k SYMBOL res -2480 224 R0 SYMATTR InstName R9 SYMATTR Value 1k SYMBOL res -2480 560 R0 SYMATTR InstName R10 SYMATTR Value 1.8k SYMBOL cap -2480 432 R0 WINDOW 3 17 44 Left 2 SYMATTR Value 100n SYMATTR InstName C SYMBOL Opamps\\opamp2 -2560 112 R180 SYMATTR InstName U3 SYMATTR Value TL082 SYMBOL Opamps\\opamp2 -2352 320 R0 SYMATTR InstName U4 SYMATTR Value TL082 SYMBOL res -2304 -144 R90 WINDOW 0 0 56 VBottom 2 WINDOW 3 32 56 VTop 2 SYMATTR InstName R11 SYMATTR Value 14 TEXT -2440 840 Left 2 !.tran 0 .10 0 1E-5 TEXT -384 -1272 Left 5 ;WWW.CHAOTIC-CIRCUITS.COM TEXT -544 -792 Left 3 !* TL082 OPERATIONAL AMPLIFIER "MACROMODEL" SUBCIRCUIT\n* CREATED USING PARTS RELEASE 4.01 ON 06/16/89 AT 13:08\n* (REV N/A) SUPPLY VOLTAGE: +/-15V\n* ------------------------------------------------------------------------\n*|(C) Copyright Texas Instruments Incorporated 2007. All rights reserved. |\n*| |\n*|This Model is designed as an aid for customers of Texas Instruments. |\n*|No warranties, either expressed or implied, with respect to this Model |\n*|or its fitness for a particular purpose is claimed by Texas Instruments |\n*|or the author. The Model is licensed solely on an "as is" basis. The |\n*|entire risk as to its quality and performance is with the customer. |\n* ------------------------------------------------------------------------\n* CONNECTIONS: NON-INVERTING INPUT\n* | INVERTING INPUT\n* | | POSITIVE POWER SUPPLY\n* | | | NEGATIVE POWER SUPPLY\n* | | | | OUTPUT\n* | | | | |\n.SUBCKT TL082 1 2 3 4 5\n*\n C1 11 12 3.498E-12\n C2 6 7 15.00E-12\n DC 5 53 DX\n DE 54 5 DX\n DLP 90 91 DX\n DLN 92 90 DX\n DP 4 3 DX\n EGND 99 0 POLY(2) (3,0) (4,0) 0 .5 .5\n FB 7 99 POLY(5) VB VC VE VLP VLN 0 4.715E6 -5E6 5E6 5E6 -5E6\n GA 6 0 11 12 282.8E-6\n GCM 0 6 10 99 8.942E-9\n ISS 3 10 DC 195.0E-6\n HLIM 90 0 VLIM 1K\n J1 11 2 10 JX\n J2 12 1 10 JX\n R2 6 9 100.0E3\n RD1 4 11 3.536E3\n RD2 4 12 3.536E3\n RO1 8 5 150\n RO2 7 99 150\n RP 3 4 2.143E3\n RSS 10 99 1.026E6\n VB 9 0 DC 0\n VC 3 53 DC 2.200\n VE 54 4 DC 2.200\n VLIM 7 8 DC 0\n VLP 91 0 DC 25\n VLN 0 92 DC 25\n.MODEL DX D(IS=800.0E-18)\n.MODEL JX PJF(IS=15.00E-12 BETA=270.1E-6 VTO=-1)\n.ENDS TEXT -392 -1168 Left 5 ;INDUCTORLESS CHUA CIRCUIT TEXT -424 -1048 Left 4 ;THIS CIRCUIT IS BASED ON THE WORK OF BOTH TEXT -416 -968 Left 4 ;MICHAEL P. KENNEDY AND VALENTIN SIDERSKIY