NEW (01/29/2002) - Son of Zerobeat

August 22, 2008 - kit is back in stock

[Son of Zerobeat circuit board picture - click for larger version] Son of Zerobeat is our version of the original Zerobeat project published in Circuit Cellar Magazine in 1996 by Ed Nisley, KE4ZNU.

Son of Zerobeat has 7 LEDs which graphically indicate the frequency of a received CW audio tone. Adjust your transceiver's frequency until the center green LED lights and you are within +/- 10 Hz of zero beat with the transmitting station.

  • one pot audio detector setting
  • board size (2 by 1.5 inches)
  • offset frequency setable from 400 to 1200 Hz with a switch press
  • all board mounted parts including machine pin sockets come with kit
  • just add your metal enclosure, +12V power jack, audio jack and switch to complete the kit
  • Kit price including manual is $28 + $3 USA shipping/handling
  • Kit price (No manual) is $25 + $3 USA shipping/handling
  • DX (outside the USA) add $3.00 to USA prices
  • want to operate the Son of Zerobeat with a 9V battery ? Consider using the Battery Saver kit along with the Son of Zerobeat

    • Print out a Kit order form to figure your order manually
    or try our: javascript order form to let your browser do the math!

    Inquire via email for pricing of the Son of Zerobeat PIC chip alone or PIC chip + board only.

    Download the manual - parts placement diagram and schematic and save $3 by printing your own!

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    Downloadable files for Son of Zerobeat

    The Acrobat files of complex diagrams (like the schematic) may not view well on your computer screen - suggestion: use the magnifier to zoom in for better detail or print out the file.

    szbmodop.pdf (6k) - an Acrobat file of optional modifications to the Son of Zerobeat

    zerob7.pdf (20k) - an Acrobat file of the Son of Zerobeat manual

    zerobsch.pdf (33k) - an Acrobat file of the Son of Zerobeat schematic

    zerobdi2.pdf (90k) - an Acrobat file of the Son of Zerobeat parts placement diagram

    zbhookut.pdf (31k) - an Acrobat file of the Son of Zerobeat hookup diagram

    zerbfix.txt (2k) - a text file to help in fixing a Son of Zerobeat

    zbpict2.pdf (155k) - an Acrobat file of the Son of Zerobeat annotated picture

    bigzb.jpg (229k) - a larger picture of the Son of Zerobeat circuit board

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