Ham Radio KITS - TOP PAGE - Washington Island BOOKS

February 6, 2010 - SOLD OUT - the Shaped CPO II kit is no longer available

The Shaped CPO II kit is a Code Practice Oscillator with a shaped or ramped near sine-waveform which makes listening to code more fun than the typical square wave, 555 based code practice oscillator. It features:

[shaped CPO II circuit board picture - 
click for larger version]
  • on-board key and stereo output 3.5 mm jacks
  • setup for easy installation in a candy tin
  • available as a board only kit
  • twin-t oscillator for near sine wave output
  • variable frequency via on-board trimmer pot
  • on-board LM386 amplifier included

  • manual and schematic diagram both in Adobe Acrobat (.pdf) format. Also see a picture of a Shaped CPO II board installed in an Altoids tin with a pot and DC power jack.
    Finally, a drill template (actually 9) for the Shaped CPO II board in a candy tin (a PCX image file - download and print out. Please double check for size accuracy before drilling!)

    For larger quantity purchases, to combine with other items, for DX purchase price or for any other questions, please send an email to me, Chuck Olson, WB9KZY at:

    with your question or the items you want and we'll email you a Paypal invoice.

    Ham Radio KITS - TOP PAGE - Washington Island BOOKS

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