PC Schematic/PCB/Simulation FOR FREE!

Thu Aug 7 09:59:55 CEST 1997

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	id sma009090; Thu Aug  7 04:38:56 1997
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Date: Thu, 07 Aug 1997 13:31:07 +1000
To: synth-diy at horus.sara.nl
From: Julian Leviston <j at tig.com.au> 
Subject: Re: VISIO
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     Hi again list,

     I've been watching the "free design software" thread for a few days 
     now, and am mildly surprised that no one has mentioned the MicroSim 
     evaluation CD.

     Who the hell are MicroSim?  The people who designed PSpice - the 
     widely available (and expensive) SPICE circuit simulator for the PC 
     platform.

     Now, they also produce a demo CD, which has FULL WORKING copies of 
     virtually all their product range, including: schematic capture, 
     analogue and digital simulation, and PCB layout (netlists, autorouter, 
     etc).  These are exactly the same as the full commercial versions (I 
     know, at one company I worked we actually bought a full version of 
     PSpice, about 3000 UK pounds worth!)

     These demo packages are all Windows-based, and are only limited by 
     node/pin/component counts.  For the schematic/simulator it is about 60 
     nodes, and about 100 or so pins for the PCB layout, but you still get 
     the full autorouter, which is the Chyan and Cooper SPECCTRA software 
     (powerful stuff - used by SGS-Thomson to do chip layouts for their 
     microcontrollers).

     Where to get the CD?  Check out their website:
        http://www.microsim.com
     where you can download the software and documentation.

     In the UK the main distributors are a company called ARS Microsystems 
     (tel: 01256-381400) or their website:
        http://www.arsm.co.uk

     If anybody wants to play around with professional quality tools a very 
     low cost (0.00 in your local currency) give this package a go.  At the 
     very least its an educational experience!

     Neil
     ----

     +---------------------------+-----------------------------+
      Neil Johnson               * All thoughts and opinions
      Cambridge Consultants Ltd  * expressed here are my own.
      email: nj at camcon.co.uk     * Heck, even _I_ don't believe
      http://www.camcon.co.uk    * what I say at times.....
     +---------------------------+-----------------------------+ 

______________________________ Reply Separator _________________________________
Subject: Re: VISIO
Author:  Julian Leviston <j at tig.com.au> at Internet-PO 
Date:    07/08/97 13:31

I was wondering where I could possibly obtain the other two types of 
circuit software you mentioned?

>Well, sorry to say, Electronics Workbench is far from freeware, but for 
>reference, check out: http://www.interactiv.com

Free preferably, if possible.  (ie an emulator and a board circuit layout 
program) - also, how would I do the board circuit layout from my laser 
printer? Is there an ability to do this through photoconductive special 
photoresist paper or something?

>For this info, I'd go back to the DIY list and ask there. I don't do this 
>stuff, but there are a great number of people on the list who do.

>>>>> So - here I am, asking the list about photoresisting laserprinting 
stuffs (?)
anyone care to lend an ear?
J.