At least one eagle eyed person spotted that the inductor (which should=20
be a ferrite bead) in my USB to serial breakout had no value.  Now I=20
have read the datasheet, it says:

"The value of the Ferrite Bead depends on the total current drawn by the=20
application."

Is there a rule of thumb for picking a correct value?  The maximum power=20
draw will be 500mA.  There are plenty to choose from, but after a little=20
Googling I'm still unsure what value would be correct to act as an EMI=20
filter on the power line.

David
--=20
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