Categories

Open source digital sampling oscilloscope

Posted on Thursday, January 7th, 2010 in logic analyzer by Ian

Please join us in the forum to discuss a digital sampling oscilloscope add-on for the open source logic analyzer (currently referred to as project SUMP PUMP). Our general goal is to design an inexpensive expansion board that samples analog voltages at 50MHz+.

The combination of a logic analyzer and sampling oscilloscope is a powerful debugging tool. The logic analyzer displays changes in signal states, the oscilloscope reveals how clean the transitions are.

We’re in the process of choosing a parallel ADC chip and discussing analog front-end designs. Feel free to make requests, suggestions, or just follow along.

This entry was posted on Thursday, January 7th, 2010 at 11:34 am and is filed under logic analyzer. You can follow any responses to this entry through the RSS 2.0 feed. You can skip to the end and leave a response. Pinging is currently not allowed.

8 Responses to “Open source digital sampling oscilloscope”

  1. Andrew says:

    I knew this would happen… I’ve just ordered a DSO off ebay, now there’s gonna be a far cheaper alternative.

  2. Michal says:

    How far away is the Sump Pump from a release by the way? Have you decided on the name yet?

  3. Ian says:

    The PCBs for the SUMP PUMP shipped on the 28th of December, but the postal slow-down out of China over the holiday is making them take forever to get here. I hope there here really soon, or I’ll try to have another batch made locally.

    We’ll hold off on the name until we build the first prototype.

  4. Neganur says:

    Any news on this?

  5. jan says:

    any news on this?

  6. Ed says:

    Just bought an OLA, with the hopes that a DSO wing was in the works. Is this still a possibility?

    • Ian says:

      Probably not. We designed a stand-alone DOS, and what we learned is that is not something we want to be supporting on a large scale :)

Leave a Reply

Notify me of followup comments via e-mail. You can also subscribe without commenting.

Recent Comments

  • KH: TPS62200 will get him to under 15uA, a bit better than the 20-30uA he mentioned. I would try the same thing. Switch some resistors in...
  • KH: Yeah, it's an end-user thing. Very few people would spend hundreds of hours on this kind of project and sustain it. It's more or less...
  • Max: Not quite a dinosaur if you've seen Big Hero 6 though... wait. You've watched it with your kids, didn't you? That's cheating...! ;) One of...
  • Edward Mallon: A visiting researcher dropped by our humble basement workshop with questions about the physical skill level students would need if they added one of our...
  • KH: And that looks really expensive... Only browsed the vid though, I'm an dinosaur so I had the sound off too. Nice of him to open-source...