At 12:30 11/10/99 -0600, you wrote:
>> I believe the greatest risk is if you drip some gas, then drop
>> your telephone off your pocket in the spilled gas on the
>> concrete.  There might be sparks in the battery connection then,
>> and also the battery or thelephone could short-circuit some way.
>> Lying in the gas it is easy to ignite it.
>
>Actually, amazingly enough, one of my certifiable friends is so
>confident in the safety of gasoline that he actually extinguished
>his cigarette in it!  I've seen it done, and in disbelief, no
>explosion, and no flame.  So if the heat of the cigarette is not
>hot enough to ignite gasoline, would the spark from a dropped cell
>phone?
>
>Getting back on topic,  is there an application note or some compiled
>data on the PIC's RF immunity.
>
>Our PCB designer designed a board where we integrated a 16C73A with
>some Linx RF modules.  The transmitter module was placed directly
>beside the PIC with the trace to the antenna looping through the PIC
>pins and underneath it.  This was causing some definite problems, and
>would only work properly when we re-routed the antenna trace.
>
>So from my findings, with a 900 Mhz - 0 dBm transmission, RF does
>effect the PIC.
>
>Craig
>
>


No your friend is not certifiable, infact he may have an IQ greater than 80
<G>.
Your friend is quite correct. Petroleum as a liquid is not explosive (HAs a
surface temoperature of around -40oC, so putting it into the freazer will
make it get hotter <G>, only the vapors are dangerous.



Dennis