Detex audio class D amp

[tom42107]

Just wondering if this schematic has ever been verified / built?

Tom

 

[MicrosiM]

I am not sure

 

[Dimonis]

It's a working schematic , though the THD is large . =1%
For a subwoofer will serve .

 

[renotrend]

It's a working schematic , though the THD is large . =1%
For a subwoofer will serve .

View attachment 3703

View attachment 3704

hi Dimonis ,

How about this schematic

 

[Dimonis]

hi Dimonis ,
How about this schematic

What do you want to hear? You want me to simulate it in Microcap ?
Better to use a comparator after the second order integrator.:UP:

 

[renotrend]

yes ,simulate result . what advantages use comparator ???
thanks

 

[Ratmayor]

Hello, this is my first message.
I built this amp, but can only work after making a few changes like using a LM311 instead of LM393 and some other change in the negative feedback, you can see more details here: http://www.forosdeelectronica.com / f31/subwoofer-clase-d-200w-4-ohms-38962 /

Enjoy It