Re: tiny inductor with every bypass cap?

Talal Itani wrote:

> The DSP is a TI F2808.  The schematics I was referring to are here 
> http://www.ti.com/litv/zip/sprr098.
 It is a zip file.  Once you unzip
the 
> file, 2 pdf files appear.  The larger file has the schematics I am
referring 
> to.  The inductors are at the top-left corner of the screen.


This mediocre design is obviously made by a superstitious and 
unexperienced person. There are several things in the schematics that 
should be done differently. No wonder that at some time ago the designer 
had burned with the EMC, and after that he sticks the inductors 
everywhere. The value of 50uH is ridiculous. Never mind those inductors; 
  with the sensible layout the F28xx doesn't need them.


Vladimir Vassilevsky
DSP and Mixed Signal Design Consultant
http://www.abvolt.com