BK-AM-25 Enhancing the Ramsey AM-25
Build an AM transmitter by enhancing an affordable commercial flea-power kit into a carrier-current workhorse. While audio technology is everywhere, broadcast hardware is hard to find. The AM-25 is a Ramsey kit selling for under $100. Billed as a "professional synthesized AM transmitter," it's really just an intelligent milliwatt oscillator. Built by the book, it is no workhorse. Here are some suggestions for converting the AM-25 into a reliable rig for continuous running at practical levels of power. Recommended is carrier-current broadcasting over the power lines, a little-known mode, legal under Part 15. In this booklet, you learn how to enhance the AM-25 by tweaking all of its power functions and by adding a touch of Tesla technology in the rig's final stage.
This information is out of print, but the owner has put it on the internet. Here is the link: teslapress.com/am25.html
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