Re: soundmodem PTT troubles

From: Thomas Sailer (vou@meta-ukraine.com)
Date: Fri Nov 03 2000 - 15:25:35 EET

  • Next message: N1YRK: "Re: soundmodem PTT troubles"

    N1YRK wrote:

    > Replacing the transistors in Thomas Sailer's circuit with a more common
    > (and very cheap) 2N2222 got it working. The Hfe on BC237 Equivalent, ECG

    "More common" is a very relative statement, BC547 for example is
    much more easily obtainable in europe compared to the 2N2222. The
    figures
    on my home page already say "or equivalent", and I've added a more
    explicit
    note on the bottom of my page...

    Tom
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