Audio amplifier schematic

audioamp.sch

<Qucs Schematic 0.0.19>
<Components>
<_BJT KT3102A_1 1 360 320 8 -26 0 0 "npn" 0 "5.258f" 0 "1" 0 "1" 0 "0.4922" 0 "0.25" 0 "86" 0 "25" 0 "28.21n" 0 "7.428" 0 "21.2p" 0 "2" 0 "185.1" 0 "2.713" 0 "0" 0 "0" 0 "1.65" 0 "0" 0 "52" 0 "11.3p" 0 "0.69" 0 "0.33" 0 "9.921p" 0 "0.65" 0 "0.33" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "611.5p" 0 "2" 0 "80" 0 "0.52" 0 "57.71n" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<_BJT KT3102A_2 1 910 280 8 -26 0 0 "npn" 0 "5.258f" 0 "1" 0 "1" 0 "0.4922" 0 "0.25" 0 "86" 0 "25" 0 "28.21n" 0 "7.428" 0 "21.2p" 0 "2" 0 "185.1" 0 "2.713" 0 "0" 0 "0" 0 "1.65" 0 "0" 0 "52" 0 "11.3p" 0 "0.69" 0 "0.33" 0 "9.921p" 0 "0.65" 0 "0.33" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "611.5p" 0 "2" 0 "80" 0 "0.52" 0 "57.71n" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<_BJT KT815B_1 1 990 640 8 -26 0 0 "npn" 0 "10.2f" 0 "1" 0 "1" 0 "0.3983" 0 "0.3633" 0 "87" 0 "0" 0 "573.7f" 0 "1.453" 0 "231.6f" 0 "1.44" 0 "159.4" 0 "1.576" 0 "0" 0 "0" 0 "0.2936" 0 "0" 0 "5" 0 "71.14p" 0 "0.75" 0 "0.3333" 0 "88.73p" 0 "0.75" 0 "0.3333" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "24.32n" 0 "2" 0 "10" 0 "1" 0 "2.046u" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<R R1 1 360 220 15 -26 0 1 "1k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R2 1 360 710 15 -26 0 1 "1k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<_BJT KT815A_1 1 700 590 8 -26 0 0 "npn" 0 "10.2f" 0 "1" 0 "1" 0 "0.4139" 0 "0.5592" 0 "70" 0 "0" 0 "349.5f" 0 "1.422" 0 "706.1f" 0 "1.473" 0 "191.7" 0 "1.683" 0 "0" 0 "0" 0 "0.203" 0 "0" 0 "5" 0 "71.14p" 0 "0.75" 0 "0.3333" 0 "88.73p" 0 "0.75" 0 "0.3333" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "24.32n" 0 "2" 0 "10" 0 "1" 0 "2.046u" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<R R3 1 260 420 -26 -43 0 2 "1k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R4 1 370 420 -26 -43 0 2 "27k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<_BJT KT814B_1 1 1020 230 8 -26 1 0 "pnp" 0 "11.45f" 0 "1" 0 "1" 0 "0.2157" 0 "0.5927" 0 "72.62" 0 "0" 0 "97.57f" 0 "1.421" 0 "637.6f" 0 "1.41" 0 "128.7" 0 "1.928" 0 "0" 0 "0" 0 "0.2979" 0 "0" 0 "4" 0 "71.14p" 0 "0.75" 0 "0.3333" 0 "88.73p" 0 "0.75" 0 "0.3333" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "26.36n" 0 "5" 0 "10" 0 "3" 0 "2.046u" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<_BJT KT3107A_1 1 360 620 8 -26 1 0 "pnp" 0 "6.545f" 0 "1" 0 "1" 0 "0.1862" 0 "12m" 0 "86.5" 0 "32" 0 "7.735n" 0 "8.56" 0 "3.35p" 0 "2" 0 "105.5" 0 "1.62" 0 "0" 0 "0" 0 "0.71" 0 "0" 0 "39.1" 0 "12.59p" 0 "0.69" 0 "0.35" 0 "12.83p" 0 "0.65" 0 "0.33" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "477.5p" 0 "2" 0 "35" 0 "56m" 0 "30.5n" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<R R30 1 850 560 -26 15 0 0 "120" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R29 1 850 280 -26 15 0 0 "120" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R18 1 910 340 15 -26 0 1 "68" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R20 1 1020 360 15 -26 1 3 "0.39" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<C C4 1 820 150 17 -26 0 1 "500u" 1 "" 0 "neutral" 0>
<R R19 1 990 310 -26 -43 0 2 "120" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R22 1 960 530 -26 15 0 0 "120" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R23 1 990 480 15 -26 0 1 "0.39" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R16 1 870 100 -26 -43 1 0 "330" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<GND * 1 400 420 0 0 0 1>
<GND * 1 400 480 0 0 0 1>
<R R5 1 440 220 15 -26 0 1 "15k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<C C8 1 200 420 -26 17 0 0 "10u" 1 "" 0 "neutral" 0>
<_BJT KT814A_1 1 690 240 8 -26 1 0 "pnp" 0 "11.45f" 0 "1" 0 "1" 0 "0.3656" 0 "1.275" 0 "62.37" 0 "0" 0 "88.24f" 0 "1.411" 0 "269.4f" 0 "1.51" 0 "176.8" 0 "1.238" 0 "0" 0 "0" 0 "0.1654" 0 "0" 0 "4" 0 "71.14p" 0 "0.75" 0 "0.33" 0 "88.73p" 0 "0.75" 0 "0.3333" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "26.36n" 0 "5" 0 "10" 0 "3" 0 "2.046u" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<R R13 1 690 140 15 -26 0 1 "120" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R11 1 600 190 15 -26 0 1 "39" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<C C3 1 600 130 17 -26 0 1 "22n" 1 "" 0 "neutral" 0>
<GND * 1 820 180 0 0 0 0>
<R R12 1 600 640 15 -26 0 1 "39" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<C C2 1 600 700 17 -26 0 1 "22n" 1 "" 0 "neutral" 0>
<R R14 1 700 680 15 -26 0 1 "120" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<C C5 1 820 740 17 -26 0 1 "500u" 1 "" 0 "neutral" 0>
<GND * 1 820 710 0 0 0 2>
<GND * 1 910 370 0 0 0 0>
<GND * 1 910 470 0 0 0 2>
<_BJT KT819A_1 1 1140 670 8 -26 0 0 "npn" 0 "114.5f" 0 "1" 0 "1" 0 "3.193" 0 "0.4086" 0 "80" 0 "0" 0 "1.231p" 0 "1.371" 0 "1.185p" 0 "1.533" 0 "176.5" 0 "1" 0 "0" 0 "0" 0 "36.34m" 0 "0" 0 "2" 0 "1.635n" 0 "0.75" 0 "0.3333" 0 "1.183n" 0 "0.75" 0 "0.3333" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "14.69n" 0 "0.4251" 0 "10" 0 "1.387" 0 "2.955u" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<_BJT KT818A_1 1 1150 190 8 -26 1 0 "pnp" 0 "150.1f" 0 "1" 0 "1" 0 "6.563" 0 "0.24" 0 "70" 0 "0" 0 "2.436p" 0 "1.37" 0 "2.847p" 0 "1.564" 0 "135.8" 0 "1.6" 0 "0" 0 "0" 0 "74m" 0 "0" 0 "1" 0 "1.635n" 0 "0.75" 0 "0.3333" 0 "1.183n" 0 "0.75" 0 "0.3333" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "20.02n" 0 "0.8299" 0 "10" 0 "0.3063" 0 "2.65u" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<R R28 1 1090 190 -26 -43 0 2 "2" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R32 1 1110 420 -26 15 0 0 "8" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<GND * 1 1140 420 0 0 0 0>
<.DC DC1 1 410 840 0 39 0 0 "26.85" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "no" 0 "150" 0 "no" 0 "none" 0 "CroutLU" 0>
<GND * 1 120 520 0 0 0 0>
<Vdc V2 1 1250 750 18 -26 0 1 "25" 1>
<Vdc V3 1 1260 180 18 -26 0 1 "25" 1>
<GND * 1 1260 210 0 0 0 0>
<GND * 1 1250 720 0 0 0 2>
<R R24 1 910 670 15 -26 0 1 "1k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R31 1 910 170 15 -26 0 1 "1k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R26 1 1020 130 15 -26 0 1 "68" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R27 1 1080 670 -26 -43 0 2 "2" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R25 1 990 730 15 -26 0 1 "68" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R17 1 870 780 -26 15 0 0 "330" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<_BJT KT3107A_2 1 910 560 8 -26 1 0 "pnp" 0 "6.545f" 0 "1" 0 "1" 0 "0.1862" 0 "12m" 0 "86.5" 0 "32" 0 "7.735n" 0 "8.56" 0 "3.35p" 0 "2" 0 "105.5" 0 "1.62" 0 "0" 0 "0" 0 "0.71" 0 "0" 0 "39.1" 0 "12.59p" 0 "0.69" 0 "0.35" 0 "12.83p" 0 "0.65" 0 "0.33" 0 "1" 0 "0" 0 "0.75" 0 "0" 0 "0.5" 0 "477.5p" 0 "2" 0 "35" 0 "56m" 0 "30.5n" 0 "26.85" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1" 0 "1" 0 "0" 0 "1.5" 0 "3" 0 "1.11" 0 "26.85" 0 "1" 0>
<R R7 1 550 450 -26 -43 1 0 "68" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<R R9 1 640 390 15 -26 0 1 "10k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<GND * 1 520 450 0 0 0 3>
<R R6 1 480 720 15 -26 0 1 "15k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<Vac V1 1 120 490 18 -26 0 1 "1 V" 1 "10 kHz" 0 "0" 0 "0" 0>
<R R33 1 760 530 15 -26 0 1 "15" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<Diode D2D212A_1 1 760 470 13 -26 0 1 "36.89f" 0 "1" 0 "21p" 0 "0.3333" 0 "0.75" 0 "0.5" 0 "0" 0 "0" 0 "2" 0 "0" 0 "150n" 0 "0" 0 "0" 0 "1" 0 "1" 0 "200" 0 "50u" 0 "26.85" 0 "3" 0 "1.11" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "26.85" 0 "1" 0 "normal" 0>
<R R21 1 910 500 -75 -26 0 3 "68" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<GND * 1 250 220 0 0 0 0>
<Diode D814D_1 1 240 750 -59 -26 0 3 "5.235e-13" 0 "1.17" 0 "29.15p" 0 "0.41" 0 "0.71" 0 "0.5" 0 "0" 0 "0" 0 "2" 0 "3.8" 0 "59.96n" 0 "0" 0 "0" 0 "1" 0 "1" 0 "13" 0 "1u" 0 "26.85" 0 "3" 0 "1.11" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "26.85" 0 "1" 0 "normal" 0>
<Diode D814D_4 1 250 130 -59 -26 0 3 "5.235e-13" 0 "1.17" 0 "29.15p" 0 "0.41" 0 "0.71" 0 "0.5" 0 "0" 0 "0" 0 "2" 0 "3.8" 0 "59.96n" 0 "0" 0 "0" 0 "1" 0 "1" 0 "13" 0 "1u" 0 "26.85" 0 "3" 0 "1.11" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "26.85" 0 "1" 0 "normal" 0>
<GND * 1 240 660 0 0 0 2>
<Diode KS139A_1 1 250 190 -64 -26 0 3 "4e-13" 0 "1.35" 0 "85p" 0 "0.45" 0 "0.8" 0 "0.5" 0 "0" 0 "0" 0 "2" 0 "30" 0 "72n" 0 "0" 0 "0" 0 "1" 0 "1" 0 "3.9" 0 "5u" 0 "26.85" 0 "3" 0 "1.11" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "26.85" 0 "1" 0 "normal" 0>
<Diode KS139A_2 1 240 690 -64 -26 0 3 "4e-13" 0 "1.35" 0 "85p" 0 "0.45" 0 "0.8" 0 "0.5" 0 "0" 0 "0" 0 "2" 0 "30" 0 "72n" 0 "0" 0 "0" 0 "1" 0 "1" 0 "3.9" 0 "5u" 0 "26.85" 0 "3" 0 "1.11" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "26.85" 0 "1" 0 "normal" 0>
<GND * 1 710 300 0 0 0 3>
<R R34 1 710 390 15 -26 0 1 "10" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<C C1 1 370 480 -26 17 0 0 "1000p" 1 "" 0 "neutral" 0>
<C C12 1 1140 810 17 -26 0 1 "33n" 1 "" 0 "neutral" 0>
<GND * 1 1140 840 0 0 0 0>
<GND * 1 1020 40 0 0 0 2>
<C C11 1 1020 70 17 -26 0 1 "33n" 1 "" 0 "neutral" 0>
<C C9 1 710 330 -54 -26 1 1 "68n" 1 "" 0 "neutral" 0>
<C C6 1 580 380 -57 -26 1 1 "500u" 1 "" 0 "neutral" 0>
<C C7 1 580 510 -57 -26 1 1 "500u" 1 "" 0 "neutral" 0>
<R R8 1 610 450 -26 -43 1 0 "1k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<C C10 1 800 380 17 -26 0 1 "33n" 1 "" 0 "neutral" 0>
<Diode D2D212A_2 1 760 350 13 -26 0 1 "36.89f" 0 "1" 0 "21p" 0 "0.3333" 0 "0.75" 0 "0.5" 0 "0" 0 "0" 0 "2" 0 "0" 0 "150n" 0 "0" 0 "0" 0 "1" 0 "1" 0 "200" 0 "50u" 0 "26.85" 0 "3" 0 "1.11" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "0" 0 "26.85" 0 "1" 0 "normal" 0>
<R R10 1 640 530 15 -26 0 1 "10k" 1 "26.85" 0 "0.0" 0 "0.0" 0 "26.85" 0 "european" 0>
<.TR TR1 1 600 840 0 63 0 0 "lin" 1 "0" 1 "1 ms" 1 "500" 0 "Trapezoidal" 0 "2" 0 "1 ns" 0 "1e-16" 0 "150" 0 "0.001" 0 "1 pA" 0 "1 uV" 0 "26.85" 0 "1e-3" 0 "1e-6" 0 "1" 0 "CroutLU" 0 "no" 0 "yes" 0 "0" 0>
<C C13 1 710 440 -26 17 0 0 "1000p" 1 "" 0 "neutral" 0>
<.AC AC1 1 210 840 0 39 0 0 "lin" 1 "1 Hz" 1 "1 MHz" 1 "200" 1 "no" 0>
</Components>
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</Wires>
<Diagrams>
</Diagrams>
<Paintings>
</Paintings>