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Old 1st June 2016, 11:53 AM   #11
as_audio is offline as_audio
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Default Elektor diagrams and board patterns

Last year I inherited a complete set of elektor magazines from the start
(about 1970, german edition) and after looking through one can say that
diagram style and board patterns changed from time to time.

In the beginning they had the "minimum etching" style of circuit boards
with plenty of copper, nicely curved, without separate solder "eyes" for
components and no solder mask, later the "cut and paste" style with
individual component patterns and straight hand routed connections.
These have been done by hand for decades in 5:1 scale or even larger
by a true artist on a light layout table as far as I can see.

They stayed away from double sided boards for a long time, self-etching
was encouraged. Do not know when they switched to CAD, but not early,
because this man was very experienced and simply better and quicker
than early programmes.

The style of circuit drawing also changed, always having some "corporate
look", not always good in terms of readability.

The old issues are educational and interesting reading and I may want to
give these away except the "Halbleiterhefte", a double issue of every year
with 100 mixed circuits.
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Old 1st June 2016, 07:56 PM   #12
Tamago is offline Tamago  South Africa
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I have remembered who did these, its Mart Schroijden, works for them at their HQ.

My current Altium Designer library has similar (but not quite) symbols like these because in '08 I put the effort in to creating some like these for my Protel 99SE libraries.

As to why I created this library in Corel Draw (which by the way can be installed and is then omnipresent and available when we create new documents) its because I am now going to draw some schematics for print/e-book applications.

If you are interested in this, and can work with Corel Draw X5 and newer, I suppose I can place a copy of this library into my GitHub and it can be checked out from there at your leisure. Note that when you do that, it becomes read-only to you, but I can push updates from Corel by creating replacement files. This is a limitation of Corel Draw, not the actual file.

I also don't care much for Elektor these days, the reason being that they have become like a fraternal society, the magazine is not for sale in print anymore, and they expect me to fork out a considerable amount of wages for "membership" to get access to the magazine. I actually wrote to their current editor, Jan Buiting about this, his response was "Try it" Well sir, I live in a 3rd rate country where its 16 bucks to 1 USD.. you do the math.. a membership to your site costs more than my rent...

Last edited by Tamago; 1st June 2016 at 07:59 PM.
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Old 2nd June 2016, 06:39 AM   #13
as_audio is offline as_audio
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Default Elektor magazine

In Europe it is still in print, about 125 Euro in Germany, 10 issues a year, pdf only is about
90 E. per year (called "green", regular is called "gold"). It is membership and subscription
at the same time.

In my Linux system there is a "Libre Office Corel Draw" installed, but no experience with
this. Perhaps you want to show us some of the symbols. Drawing good diagrams can be
seen as an art form and is somehow neglected even in books and other publications.
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Old 2nd June 2016, 07:16 AM   #14
jan.didden is offline jan.didden  Europe
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I think the Elektor schematics symbols are easily to create for whatever schematic drawing suite you use. Most designers do it all the time -you often need a part for which there is not yet a symbol in your package, especially for newer parts. So that's a nobrainer, you just have to invest some time, start with R and C and go as you need them.

That is by far the best way because it automatically takes care of the requirements of your package for part interconnections and pin numbers etc. And if you use the schematic to generate a netlist for the PCB layout there's no other way really.

Jan
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Old 12th June 2016, 07:06 PM   #15
Tamago is offline Tamago  South Africa
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For the most part, my current Altium library has Elektor-style parts in it. I say "for the most part" because the library comes from a previous edition of the software, called Protel 99 SE, which made it incredibly difficult to implement a lot of the graphical attributes of Elektor's symbol style. To be honest I haven't really bothered further, because when I publish schematics, I redraw them using Corel Draw. I don't usually print out or publish raw Altium schematics, for reasons of protecting my IP, and for other reasons.

Getting back to what I was doing...
I have fixed up some issues, and this is about as close as it will get to Elektor's schematics. The snapping works properly in Corel X5, and the line widths, as well as some important details have been determined such as the font size, and the font used.
Click the image to open in full size.
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Old 13th June 2016, 07:50 PM   #16
dudaindc is offline dudaindc  United States
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Tamago,
This is really nice - well done!
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Old 18th December 2016, 08:56 AM   #17
Eriond is offline Eriond
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Post Mystery solved?

I remember asking the same question as the OP did, a couple of years ago. At that time I mailed the Swedish branch of Elector, "Allt om Elektronik", and its editor replied to me that the software used for schematics was sPlan from Abacom. I looked at sPlan briefly, but continued using Eagle at that time.

Now I have a different need, where clarity and readability has top priority. So this time I bought sPlan, and maybe it isn't as automated as modern EDA software, but it produces beautiful schematics. Mind though that the default symbol set needs a bit of tweaking before it mimics the Elektor set.

If anyone is interested, maybe we could collaborate on a "Elector symbol set for sPlan"? (sPlan of course supports custom symbol sets.)
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Old 19th December 2016, 04:42 AM   #18
dudaindc is offline dudaindc  United States
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Quote:
Originally Posted by Eriond View Post
...
At that time I mailed the Swedish branch of Elector, "Allt om Elektronik", and its editor replied to me that the software used for schematics was sPlan from Abacom.
...
I purchased this software way back then since the schematics were very close to the ones produced by Elektor.
I did not use it much since the version I have does not allow me to export to Eagle or any other software.

Thanks for sharing your findings!

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