About Circuits

 by gaussmarkov

Circuits contains schematics and layouts for circuits related to stompboxes. Most are effects that have been designed by others, including replications of such classic stompboxes as the tubescreamer. Each circuit post comes with a set of files with links that appear in the left-hand sidebar. For building a circuit, there are files containing

  • the schematic,
  • a layout,
  • a PCB image for etching, and
  • a list of parts.

For the simpler circuits, a layout can also be applied directly to perfboard because all layouts restrict the component pads to a 0.1″ grid. Circuits with many components may have trace routes that are difficult to use with perfboard. For convenience, all of these files have also been wrapped inside a PDF project file.

In addition, the CAD files for Eagle software appear in a zipped project file. These files were used to produce the images for the schematic, layout, and PCB. They can be loaded into the freeware version of Eagle for redesign. As simple examples, one can change

  • the width of traces,
  • the diameter (and sometimes the shape) of pads,
  • the packages of components, or
  • the locations of components (for more or less space)

Alternatively, a completely new layout can be constructed from the schematic.


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8 Responses to “About Circuits”

  1. Itsik said:

    Hi.
    I was wondering if you could post the cad files in gerber format with the drill cordinates etc.
    Thnx
    Itsik

    Posted 08.11.2007 at 2:54 am

  2. gaussmarkov said:

    I can, and I have been thinking about doing that for the larger projects so that one can just ship the lot off to a board fab house. But I do not have enough time to do every project right away.

    If you want a particular project, I could do this for you.

    Another approach would be for you to use Eagle for this purpose yourself. See olimex.com for on-line instructions.

    Posted 09.11.2007 at 9:25 am

  3. Itsik Friedman said:

    I would do it my self but I’m afraid to get it wrong.
    I don’t need all of them.
    What i’d really like would be :
    BSIAB II
    Dr. Boogey
    Thor
    Tube Screamer
    And maybe the Uber Screamer (if you think it’s good enough to bother.
    I’ll try to do it my self as well but wanted to be on the safe side.
    thnx
    Itsik

    Posted 09.11.2007 at 11:01 am

  4. dino said:

    I would love to get some of your gerber files. I tried outputting one of the Eagle files to gerber but there seemed to be some components that were overlapping, etc. I’m not sure if it’s me.

    Posted 02.04.2008 at 11:00 am

  5. gaussmarkov said:

    hi dino,

    i have not used gerber files. so i am not much help in that department yet. ;-)

    all the best, paul

    Posted 02.04.2008 at 2:01 pm

  6. andre garcia said:

    i have archives extension *.SCH
    tube screamer
    do you have?
    thanks.

    Posted 25.11.2008 at 8:15 am

  7. Kristo Panos said:

    Just wondering where you get the component library for eagle. Is it your own special library…Is it available?? Great site BTW.

    Posted 27.11.2009 at 5:22 am

  8. steve said:

    Hi mate, was wondering if you had a eagle file for ruby amp. would love to play with that one. love your site.

    Posted 14.04.2010 at 12:20 pm



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