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Recent content by IBall

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    HELP: WANT TO GENRATE AND DECODE FSK WITH PIC

    If you are really trying to do an FSK decode in software on a PIC, with A/D input and DSP style noise bandwidth, you could base it on: "A Dual-Tone Multifrequency Receiver Using Synchronous Additions and Subtractions" by Y.Tadokoro and Y. Haneda published in IEEE Transactions on...
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    Embedded uController Video in Robotics

    Check out the Carnegie Mellon University camera, for sale at: hxxp://www.acroname.com/robotics/parts/R140-CMUCAM-KIT.html It has serial interface and onboard object tracking.
  3. I

    Looking for schematic of a simple SWR meter

    construction swr meter I followed the reference to FAR Circuits to: w*w.farcircuits.net/ I could find no artwork for this project, but the directional coupler subsection does not seem to use one. Glad you found it useful!
  4. I

    Looking for schematic of a simple SWR meter

    swr meter + jpg This construction article may help.
  5. I

    Ignition / Flame detection.

    diy flame detect circuit Here is data on the Hamamatsu flame detector. https://www.acroname.com/robotics/parts/R67-UVTRON.html
  6. I

    How to measure distances ?

    You might get good results using LVDT, as in this appnote. Uploaded file: **broken link removed**
  7. I

    Can I get some useful info on ZVS?

    Hope this helps. Uploaded file: **broken link removed**
  8. I

    Optical Sensor -software to design/simulate lens system?

    This may or may not be helpfull, but reverse engineering an existing design can be educational. Uploaded file: **broken link removed**
  9. I

    the design of toroidal baluns - request for resources

    Here is another. Uploaded file: **broken link removed**
  10. I

    the design of toroidal baluns - request for resources

    I have more, but my FM uploads do not complete. Uploaded file: **broken link removed**
  11. I

    [SOLVED] Simulating AC conditions on Op-Amps

    Have you successfully modelled other single supply opamps? Do you know if this model has been used at 5V on another flavor of spice? I have not used Microcap, but I would suspect the problem is in the model.
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