Wednesday, March 27, 2013
25W AUDIO AMPLIFIER MOSFET IRF530 IRF9530 ELECTRONIC DIAGRAM
25W AUDIO AMPLIFIER MOSFET IRF530-IRF9530 ELECTRONIC DIAGRAM
Adjust R11 to set quiescent current at 100mA (best measured with an Avo-meter connected in series to Q8 Drain) with no input signal.
A correct grounding is very important to eliminate hum and ground loops. Connect to the same point the ground sides of R1, R4, R9, C3 to C8. Connect C11 to output ground. Then connect separately the input and output grounds to power supply ground.
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