Archive for date: January 9, 2011

DC40B update

January 9, 2011 | Amateur Radio | By: Mark VandeWettering

Previously, I noted that the oscillator on my DC40B kit (supplied by Doug Hendrick’s qrpkits.com was rather sluggish to start. Reading the messages on the Yahoo! groups, it seems that adding additional capacitance to the Colpitts oscillator was the correct fix, so today, I dug some 47pfs out of my junk box and soldered them […]

Share Button