thanks for the link , I try this circuit but it doesn't work . I use basic audio amplifier but unfortunately it didn't work and I used 12V instead 9V and for some of the Electrolyte capacitors I used the same capacity and higher voltage for example 470uf-50v instead of 470uf-16v or 10uf - 35v instead 10uf - 16v . do you think can it cause circuit don't work ?**broken link removed**
:wink:
Not yet , but I would , I am challenging with Ianp circuit , did you try your circuit ? I mean it works ?Did you try my circuit?
good , you know I am testing IanP circuit right now , after that I will test your advised circuit , can you explain about your circuit ? for example what does each component exactly do ?Hi
Yes i using this circuit. its work is well
Saying this about an LM358 audio preamplifier is somewhat ignorant in my opinion, although the crossover distortions of the LM358 class-B output stage can hardly be missed hearing. But you still make the amplifier quality worse, by adding a complementary buffer...if you want high current at out put you should add a complementary buffer at out put. the quality of this circuit is very high and its THD is low and its efficiency is good.
No. Post #14 brings a UA741 transistor level circuit, as said, and shown as an example of a class AB output stage. LM358 circuit is in post #12.Your circuit is not datasheet of lm358.
Not in this simulation, you need to slightly increase the output voltage to make the output current exceed the 50 µA current source bias.Can you see crossover distortion?
It's not a matter of believe rather than analyzing the circuit. It's still class A, falling into class B above 50 uA.So you can Believe that LM358 is in class AB region.
Output crossover distortion with dual supplies is not modeled.
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