October 22, 2011 - Bug Descratcher kit - SOLD OUT
The Bug Descratcher kit is our version of a
from the September 1992 issue of QST by WX7G, Dave Cuthbert.
The Bug Descratcher removes the "scratchiness" encountered with semi-automatic keys (bugs) due to contact
bounce. It can also be used with straight keys. It features:
a debounced output to eliminate scratchy sounding keying
optional solid state relay (SSR) output to key nearly any rig (solid state, tube positive or tube negative kerying voltage)
available as a board only kit
board size: .7 x 1.5 inches
operates from 13.8 volt supply
picture shows the optional solid state relay socket
Kit Documentation: download (Right click/save target as) and print the Bug Descratcher kit
schematic diagram and
all in Adobe Acrobat (.pdf) format.
Also, a text file of diagnostic measurements.
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.