Amp Amplifier
Amp Amplifier
How do I design an op-amp based audio amplifier Freq. range:20 to 20Khz Input: 10 mVrms Supply Voltage:12V
How do I design an op-amp based audio amplifier Freq. range:20 to 20Khz Input: 10 mVrms Supply Voltage:+/-12V
Op-amp based (any opamp available for multisim design)
output:
5Wrms Power
to drive a speaker (for 5W rating, any ohms rating)
one example, relatively simple
http://www.aaroncake.net/circuits/amp.asp
this one may be better for you
http://www.rangkaian-elektronika.com/op-amp-audio-amplifier.htm
Take the second as a typical design, change the rails to +-12, and change the output transistors to ones a little more beefy.
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