AVR-Chat

On 27 Oct 2008 at 11:58, David VanHorn wrote:

> On Mon, Oct 27, 2008 at 11:44 AM, Enki <enkitec@gmail.com> wrote:
> >
> >        Considering I'm using the digital outputs to drive
> MOSFETS
> > and just two analog inputs, a 10Ohm (TEN OHM) inductor is not a
> big
> > deal. Will do some tests.
> 
> Beware.. The static current drain is 0 into the gates, but you
> still
> have to charge the gate capacitance.
> You might end up with significant glitches when you switch them
> on, especially if they all go at once.
> Figure it like a resistive divider, Cin/(Cg1+Cg2....)
> 
> Series resistors into the gates will help, if you can deal with
> the slowdown in switching.


	Yes, I'm aware of that. The gates have 1KOhm in series each one.
	The switching is very slow, just some relays. Besides, the ADC is 
not read during the switching instants.
	I have lots of 220uH 7Ohm inductors that I plan to use.

	Thanks.
	Mark Jordan