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Gerber file for pcbs ⚡
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In this video i will make a simple Class d amplifier using TL494 IC and Powerful Mosfets can output 500W of Power easily . It can drive 6-12 inch speakers and maximum input voltage is 80V DC minimum 20V ( Higher The input voltage higher output power testing (30V input output 50W)
Part's I used
R1=1K
R2,R5=47K
R3=10K
R4=470R
R6=8K2
R7=56R
R8=2R2
R9=470R
R10=56R
C1=1uF-26V
C2, C3=1Nf
C4, C6=10uF/50V
C5=2Nf
C7, C9, C10=220uF-1000uF/100V
C8= 100Nf-600V
C11, C12= 1uF - 4u7F - 400V
Q1= MJE350 or BD139
Q2, Q3=MJE340 or BD140
Q4, Q5= IRF540, IRF460, IRF250, IRF 4227 any suitable N-Channel Power Mosfet
U1= TL494, TL494CN , KA7500 any
L1= 22uH - 100uh
J1= Audio input
J2= Bias Voltage 9-14V
J3= +V 30 - 90V DC
J4= Speaker Output
