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'pic16c73a and v-ref'
1997\05\30@090149 by in Harris & Alison Smith

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Hi there Piclisters,
l have a question regarding v-ref on RA3 on the 16c73a.
The data book states 3V min, but can they be run at 2.5v as there
are not many 3v refs and plenty of 2.5v available.
If this can be done, can it be done reliably,

Also a question on Protel eastrax.
l have a Demo copy of Advanced pcb version 2.0
When l try to upload one of my easytrax files it tells
me "out of range data found"
Any clues would be appreciated

Cheery pic'n
Kevin Harris

1997\05\30@182348 by Andy Kunz

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At 09:50 PM 5/30/97 +1000, you wrote:
>Hi there Piclisters,
>l have a question regarding v-ref on RA3 on the 16c73a.
>The data book states 3V min, but can they be run at 2.5v as there
>are not many 3v refs and plenty of 2.5v available.
>If this can be done, can it be done reliably,

I usually use a 2.5V reference and have no problems.  You don't want to go
much _above_ 3V to keep it accurate - don't know why - could be my hardware.

Andy

==================================================================
Andy Kunz - Montana Design - 409 S 6th St - Phillipsburg, NJ 08865
         Hardware & Software for Industry & R/C Hobbies
       "Go fast, turn right, and keep the wet side down!"
==================================================================

1997\05\31@071445 by Graeme Odgers

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Kevin Harris & Alison Smith wrote:

> Also a question on Protel eastrax.
> l have a Demo copy of Advanced pcb version 2.0
> When l try to upload one of my easytrax files it tells
> me "out of range data found"
> Any clues would be appreciated

Kevin,

Ivex have a 100 pin demo of Windraft and Winboard available on the web.
Check
them out on http://www.ivex.com

They also have the ability to generate Protel format files.  I think
there is a
separate conversion program available.

The error may be related to the default page size.


Regards,
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