sigma delta or variable gain amplifiers

[a_shawky]

dear all

i want some in depth information about sigma delta modulators and about variable gain amplifiers (some tutorials and articles or circuits )

thanks very much

 

[ls000rhb]

i want some inf for sigma delta modulators and PWM in audio PA !

 

[sunking]

go the
https://www.edaboard.com/forums/96/

you will find more paper about it

 

[keeli]

hopefully this helps :