System_D_MD, Class D is like chocolate

[dimitri]

I found a link which let's you look into the book from Lunze. ... Page 405 example 8.9, bode diagram on page 406.

Thank you for providing the link. With respect to class-d amplifier design please see AN9525

 

[ChocoHolic]

What is the clou about the AN9525?
It is elaborating about a pre filter feedback design, so they do no need to handle the phase step of the output filter.
Loop design of AN9525 is following the traditional way.
Where do you see an overlap to our discussion?

 

[ChocoHolic]

On request during a side discussion and for better understanding:
Please be aware the bode plots (post#64) and Nyquist plots (#post75), where derived from the design according post#11 basically.
R32, C8 are showing a simplified version of the real shaping-PI-network.

 

[phase_accurate]

Hi Markus

Congratulations on that well thought-out design.

Regards

Charles

 

[stewin]

hi all ,looks like SystemD LiteAmp swallowed this project.