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Thu, 10 Sep 1998 07:49:02 -0600 |
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Robertshaw Controls |
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Thank you for your reply.
-----Original Message-----
From: Karl J. Bates [SMTP:[log in to unmask]]
Sent: Wednesday, September 09, 1998 2:15 PM
To: [log in to unmask]
Subject: Re: [DC] Schematic standards
Bob,
I have seen many different ways to draw a schematic.
For example I have seen inputs on the top and left, and outputs
on the bottom and right. I have also seen schematic symbols
drawn so that they look like the Physical geometry. Personally
I think that makes everybodys job easier, because the schematic
looks like the layout and is easier to follow.
Some things I like to do when drawing a schematic, is to number
the references by page. For example Ref's in the 100 range
(U100-U199, R100-R199) belong on page 1, 200 on page two etc.
This makes it a lot easier to find a symbol or reference on the
pages.
It is nice if you can use a B-Sheet size (11X17) to create your
schematics on, but C-Sheet size is doable on a laser printer.
There are also rules about no staircasing of the leads.
Don't do this:
------|
------|---|
------|---|----|
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Do this:
----------------|
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--------| | |
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The most important thing is to make everything as readable as
possible.
Karl
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