RAKITAN ELEKTRONIK

20W STEREO HI-FI LOW NOISE AUDIO AMPLIFIER USING LM1875 Supply Dual (+/-) 25 VDC @ 2 Amp Onboard +/- 15 VDC Regulator for Balance preamplifer or also can be use as Aux power for VU meter or MIC preamplifier Onboard dual LED for power indication Audio input via berg connector Berg connector for VU Meter L-R and +/-15 V supply also can be use for head phone Screw terminal connector for speaker connection Screw terminal connector for Supply +/- 25 VDC THD+noise less then 1% @ 20W into 8 Ohms

Spice Model NE5532 ***** NE5532 Source: Texas Instruments NE5534 * C2 added to simulate compensated frequency response (Uwe Beis) * NE5532 OPERATIONAL AMPLIFIER "MACROMODEL" SUBCIRCUIT * CREATED USING NE5534 model from Texas InstrumentsAT 12:41 * (REV N/A) SUPPLY VOLTAGE: +/-15V * CONNECTIONS: NON-INVERTING INPUT * | INVERTING INPUT * | | POSITIVE POWER SUPPLY * | | | NEGATIVE POWER SUPPLY * | | | | OUTPUT * | | | | | .SUBCKT NE5532 1 2 3 4 5 * C1 11 12 7.703E-12 C2 6 7 23.500E-12 DC 5 53 DX DE 54 5 DX DLP 90 91 DX DLN 92 90 DX DP 4 3 DX EGND 99 0 POLY(2) (3,0) (4,0) 0 .5 .5 FB 7 99 POLY(5) VB VC VE VLP VLN 0 2.893E6 -3E6 3E6 3E6 -3E6 GA 6 0 11 12 1.382E-3 GCM 0 6 10 99 13.82E-9 IEE 10 4 DC 133.0E-6 HLIM 90 0 VLIM 1K Q1 11 2 13 QX Q2 12 1 14 QX R2 6 9 100.0E3 RC1 3 11 723.3 RC2 3 12 723.3 RE1 13 10 329 RE2 14 10 329 REE 10 99 1.504E6 RO1 8

*Low Noise Amp PC=0.4W Ic=0.15A Vcbo=60V Complementary 2SA1015 .model 2SC1815 NPN(Is=2.04E-15 Xti=3 Eg=1.11 Vaf=100 Bf=300 Ne=1.5 Ise=0 + Vceo=50 Icrating=150m mfg=TOSHIBA + Ikf=200m Xtb=1.5 Br=3.377 Nc=2 Isc=0 Ikr=0 Rc=1 Cjc=1p Mjc=.3333 + Vjc=.75 Fc=.5 Cje=25p Mje=.3333 Vje=.75 Tr=450n Tf=20n Itf=0 Vtf=0 Xtf=0) .model 2SC1815-GR NPN(Is=2.04E-15 Xti=3 Eg=1.11 Vaf=100 Bf=300 Ne=1.5 Ise=0 + Vceo=50 Icrating=150m mfg=TOSHIBA + Ikf=200m Xtb=1.5 Br=3.377 Nc=2 Isc=0 Ikr=0 Rc=1 Cjc=1p Mjc=.3333 + Vjc=.75 Fc=.5 Cje=25p Mje=.3333 Vje=.75 Tr=450n Tf=20n Itf=0 Vtf=0 Xtf=0) .model 2SC1815-Y NPN(Is=2.04E-15 Xti=3 Eg=1.11 Vaf=100 Bf=200 Ne=1.5 Ise=0 + Vceo=50 Icrating=150m mfg=TOSHIBA + Ikf=200m Xtb=1.5 Br=3.377 Nc=2 Isc=0 Ikr=0 Rc=1 Cjc=1p Mjc=.3333 + Vjc=.75 Fc=.5 Cje=25p Mje=.3333 Vje=.75 Tr=450n Tf=20n Itf=0 Vtf=0 Xtf=0)