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'What are DNPs?'
2000\02\28@091045 by Dan

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Does anyone know what DNP connectors/components are?

We have been trying to hammer out a design following the
one stated on Rick Farmer's page at http://www.execpc.com/~rfarmer
but are a bit unclear as to exactly how he has touted the
TxRx to the PIC16F873

Thanks for help


----------------------
Dan
University of Exeter

2000\02\28@105157 by Tim Hamel

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Dan,

Well...I looked at two schematics of the EVB at his site. On one schematic,
he has "R4 DNP," but on the other schematic, it isn't even there! Also, in
the BOM (Bill of Materials), R4 doesn't exist, only R1 and R2. I'd use this
schematic:

http://www.execpc.com/~rfarmer/bootload_sch4.pdf

Regards,

Tim Hamel

In a message dated 2/28/00 6:10:58 AM Pacific Standard Time,
spam_OUTD.J.BurgessTakeThisOuTspamEXETER.AC.UK writes:

{Quote hidden}

2000\02\28@110230 by Michael Rigby-Jones

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<P><FONT SIZE=2 FACE="Arial">Does anyone know what DNP connectors/components are?</FONT>
</P>

<P><FONT SIZE=2 FACE="Arial">We have been trying to hammer out a design following the</FONT>
<BR><FONT SIZE=2 FACE="Arial">one stated on Rick Farmer's page at http://www.execpc.com/~rfarmer</FONT>
<BR><FONT SIZE=2 FACE="Arial">but are a bit unclear as to exactly how he has touted the</FONT>
<BR><FONT SIZE=2 FACE="Arial">TxRx to the PIC16F873</FONT>
</P>

<P><FONT SIZE=2 FACE="Arial">Thanks for help</FONT>
</P>
<BR>

<P><FONT SIZE=2 FACE="Arial">----------------------</FONT>
<BR><FONT SIZE=2 FACE="Arial">Dan</FONT>
<BR><FONT SIZE=2 FACE="Arial">University of Exeter</FONT>
</P>
</UL>
<P><FONT COLOR="#0000FF" SIZE=2 FACE="Arial">It looks to me like he is specifying standard 0.1&quot; PCB headers such as the common Molex range.</FONT>
</P>

<P><FONT COLOR="#0000FF" SIZE=2 FACE="Arial">Hope that helps.</FONT>
</P>

<P><FONT COLOR="#0000FF" SIZE=2 FACE="Arial">Mike</FONT>
</P>

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2000\02\28@111820 by Amos, Jim

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DNP implies that a particular part is a "Do Not Populate".

This allows a component to be placed on the schematic, and into the layout.
But does not show up on the bill of material.

Jim Amos


{Original Message removed}

2000\02\28@114943 by mike
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On Mon, 28 Feb 2000 14:10:16 -0500, you wrote:

>Does anyone know what DNP connectors/components are?
Stands for 'Dry Non-Polish', when applied to fibre-optic connectors.
Basically means you don't need glue to assemble them, and don't need
to polish the fibre end afterwards.

2000\02\28@120408 by Dave VanHorn

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At 04:50 PM 2/28/2000 +0000, Mike Harrison wrote:
>On Mon, 28 Feb 2000 14:10:16 -0500, you wrote:
>
> >Does anyone know what DNP connectors/components are?


Do Not Purchase :)

(AKA Do Not Populate)
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2000\02\28@122902 by Wagner Lipnharski

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Sometimes you design a PCB that has references to future features or
implementations, but you don't want those parts to be purchased or even
listed at your unit "basic" model, so you use the DNP to those parts.
In some working normal VCR's you can see several missing components on
the board, even that the board has all the silkscreen and PCB
connections for those components, so you ask; "What in the heck they
waste PCB realestate if they don't use it?", but of course, that part of
the PCB is used for a different VCR configuration, country, etc.  The
same VCR board is used in several different VCR models, and in some
models there are some features, so that empty part of the PCB is
populated. In this diagrams, those components doesn't carry the DNP
title.

Dave VanHorn wrote:
{Quote hidden}

2000\02\28@175911 by John Mullan

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