Re: 4420 driver ICs

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Fucian-at-aol-dot-com 

In a message dated 4/1/2004 10:30:38 AM Eastern Standard Time, 
tesla-at-pupman-dot-com writes:

 > Have you added the proper capacitors between ground and Vcc/Vdd right
 > next to the chip? 1 electrolytic + some ceramics or plastic caps?
 > Depending on your board layout, leaving out those local RF decoupling caps
 > on the supply rails can lead to really nasty spikes on the
 > chip when it
 > 'runs', could be high enough to zap them

Hmmmmmmmmmmmm.....Well i have it powered by a regulator...Does it still 
need the caps?What values?

Matt