One notable inclusion is the use of modules, which utilize push-pull JFETs that behave similarly to triode vacuum tubes, simplifying matching to 50-ohm systems. The book also includes any revisions or corrections provided by authors after their original magazine debut, ensuring higher reliability for homebrew builders. Legacy and Availability
Though out of print at some primary retailers, it can still be found through specialized distributors like DX Engineering or secondhand on AbeBooks and eBay . ARRL RF Amplifiers Classic
is a curated anthology of nearly two dozen influential articles and projects originally published in the American Radio Relay League’s (ARRL) flagship journals, QST and QEX , between 1980 and 2003 . One notable inclusion is the use of modules,