M1KTA’s QRP ham radio blog: PTO VFO
If you go back through lots of amateur radio designs, you’ll find many, many circuits that use the nearly uniquitous 365pf air spaced variale capacitors that were nearly ubiquitous up until about 25 years ago. In the last couple of decades however, they have become like Avatar’s unobtanium, seemingly impossible (or at least expensive) to […]
I move my pretty useless blog to Hugo about 7 years ago, since I got frustrated at too many security…