August 12, 2009 - Shaped CPO II kit
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]](cpo2s.jpg)
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
The kit (board plus board mounted parts, no documentation) is $14 plus
$3.00 s/h = total $17 in the USA. Add $3 for DX shpping
for a total of $20
Printed manuals available for an additional charge or save money by
downloading (Right click/save target as) and printing the Shaped CPO II kit
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!)
To purchase the Shaped CPO II kit, print out a Kit
order form to figure your order manually
or try our: javascript order form
to let your browser do the math!
OR to pay with a credit card use the Paypal shopping cart buttons below.
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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:
jacksonharbor @ att.net
with your question or the items you want and we'll email you a Paypal invoice.
Page accesses: 
![[shaped CPO II circuit board picture -
click for larger version]](cpo2l.jpg)