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PICList Thread
'PC logic analizer'
1999\08\25@034329 by Leo

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Hi PICer friends,

To analize the real reaction / interaction of PWM, interrupt, counter and so
on, is not possible to use the MPLAB environment.

I'm, thinking that the today PC at 400 Mhz and over, with a bidirectional
parallel printer port should be a nice platform to build a simple and most
economic logic analazer.

Anyone have been made some experience about this...


Ciao

Leo

1999\08\27@091748 by Stuart Barge

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Check out Circuit Cellar INK No 89
Francis Deck designed and built one that runs on a PC and can sample at over
20 MHZ.  This seemed like a good project.

{Original Message removed}

1999\08\27@094856 by paulb

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Boy that (common) mis-spelling (always) really cracks me up! ;-))

Leo wrote:

> I'm, thinking that the today PC at 400 Mhz and over, with a
> bidirectional parallel printer port should be a nice platform to build
> a simple and most economic logic analazer.

 Don't get that enthusiastic about the parallel port.  It's not *that*
fast and is most unlikely to handle in real-time the datastream you
would want (and USB wouldn't either).

 You therefore need a capture system and then the speed of the PC is
far less significant unless of course you use Windoze software :)

 Caveat:  Experience:  No!

 Oh yes, a design was published in the local (Australian) mags in the
last year or so.  Electronics Australia or Silicon Chip.  May have
indexes on website.
--
 Cheers,
       Paul B.

1999\08\27@122312 by Stuart Barge

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Check out Circuit Cellar INK No 89 December 1997
Francis Deck designed and built one that runs on a PC and can sample at over
20 MHZ.  He used a FIFO memory as a fast data cache.  He also wrote some VB
code for the interface. This seemed like a good project.

{Original Message removed}

1999\08\27@132459 by Adam Davis

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He has set up a web site with complete details and plans, and is concurrently
selling kits and parts.

If necessary, I can try to locate it...  I know I have the link here
*somewhere*... <rustle, rustle, rustle>

-Adam

Stuart Barge wrote:
>
> Check out Circuit Cellar INK No 89 December 1997
> Francis Deck designed and built one that runs on a PC and can sample at over
> 20 MHZ.  He used a FIFO memory as a fast data cache.  He also wrote some VB
> code for the interface. This seemed like a good project.
>
> {Original Message removed}

1999\08\28@051744 by Stuart O'Reilly

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The website for the logic analyser is http://www.tantau.com.au
Regards
Stuart

Paul B. Webster VK2BZC wrote:

{Quote hidden}

1999\08\28@104711 by D. F. Welch

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At 07:16 PM 8/28/99 +1000, you wrote:
>The website for the logic analyser is http://www.tantau.com.au
>Regards
>Stuart
the site no longer has the data, the message says:

                          Thanks for your interest in

                          The Logic Analyser project

                           however, it is now closed.

                      Contact spam_OUTpeter.baxterTakeThisOuTspamtantau.com.au


-Dan Welch W6DFW
.....danKILLspamspam@spam@byonics.com
{Quote hidden}

1999\08\28@174947 by Leo

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Hi Stuart,
could you please explain wehe I can found "Circuit Cellar INK No 89"

Grazie

Ciao

Leo

----- Original Message -----
From: Stuart Barge <stuart.bargespamKILLspamBRIGHTSTAR.COM>
To: <.....PICLISTKILLspamspam.....mitvma.mit.edu>
Sent: venerd“ 27 agosto 1999 15.14
Subject: Re: PC logic analizer


> Check out Circuit Cellar INK No 89
> Francis Deck designed and built one that runs on a PC and can sample at
over
> 20 MHZ.  This seemed like a good project.
>
> {Original Message removed}

1999\08\29@011305 by Tony Churchill

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Leo "Circuit Cellar INK No 89" is the August 1998 Issue of Circuit Cellar
Magazine at
http://www.circuitcellar.com/
You may wish to consider a subscription to this magazine as it provide good
information on
imbedded systems. The link below will take you to the information you
request.

ftp://ftp.circuitcellar.com/Circuit_Cellar/1998/Issue_97/bitscope.zip


----- Original Message -----
From: Leo <EraseMEcacciavitespam_OUTspamTakeThisOuTBIGFOOT.COM>
To: <PICLISTspamspam_OUTMITVMA.MIT.EDU>
Sent: Saturday, August 28, 1999 2:50 PM
Subject: Re: PC logic analizer


Hi Stuart,
could you please explain wehe I can found "Circuit Cellar INK No 89"

Grazie

Ciao

Leo

----- Original Message -----
From: Stuart Barge <@spam@stuart.bargeKILLspamspamBRIGHTSTAR.COM>
To: <KILLspamPICLISTKILLspamspammitvma.mit.edu>
Sent: venerdl 27 agosto 1999 15.14
Subject: Re: PC logic analizer


> Check out Circuit Cellar INK No 89
> Francis Deck designed and built one that runs on a PC and can sample at
over
> 20 MHZ.  This seemed like a good project.
>
> {Original Message removed}

1999\08\29@013626 by Stuart O'Reilly

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Bugger.
The story they did on this thing was good and the quality of the kit was easily
the best I have ever seen.
Regards
Stuart

D. F. Welch wrote:

{Quote hidden}

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