First of all I want to thank you all piclisters very much for your exelent
advises.


 I have 2 little  problems:

1) First I have checked my local distribiutors and nobody have logic drive
mosfet transistors :((

2) The power supply of this project are two 9V batteries.

So I need to find a solution, may be driving the mosfet with bipolar
transistor?

Marcos Migliorini
----- Original Message -----
From: Dave VanHorn <dvanhorn@CEDAR.NET>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Martes, 23 de Febrero de 1999 01:32 a.m.
Subject: Re: Drive a mosfet transistor with a pic


>>Bob and Dave have both made very good points regarding series
>resistors in
>>the gate leads of MOSFETs.  I'd just like to add that the resistor
>should be
>>located as close as possible to the FET as possible.  I had one
>engineer
>>forget that - he kept burning up $20.00 FETs because the resistors
>were on
>>the processor board, about 18" away from the FETs.  Moving the
>resistors
>>right to the FET gate leads eliminated the problem.
>
>
>ROTFLMAO!!
>
>I never have that problem, I couldn't fit a trace that long :)
>Good point though!  Unlike clock leads, you want the resistor on the
>destination end in this case!
>