: Reflecting the true spirit of the hobbyist, many projects encourage using parts salvaged from older electronics, making it an affordable entry into the craft. Key Projects You Can Explore
Moreover, Davidson eliminates the "special part" excuse. Most of his projects utilize the (or its modern clone, the MK484) and common 2N3904 transistors. If you can find an old AM radio carcass at a thrift store, you have the parts for 80% of this book.
Homer L. Davidson passed away in the early 2010s, but his influence persists. Every "simple regenerative receiver" kit available on Amazon or eBay owes a debt to the circuits popularized in this book.
First published in the early 1990s by TAB Books, this isn't just another dusty theory manual. It is a blue-collar, hands-on, "let’s build it" guide that treats radio as a craft, not a calculus problem. For hobbyists who are tired of simulation software and want to hear actual static, Davidson is the mentor you wish you had.