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H. P. Friedrichs (AC7ZL) Homepage |
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My BooksI've actually written, illustrated, and self-published two books. I have tentative plans for more. These links will tell you everything you might want to know about them. How To Build Working Radio Receiver Components Entirely From Scratch In early 2000, I published my first book, entitled The Voice Of The Crystal, (or VOTC for short.) VOTC is a hands-on guide to building radio equipment from scratch. By "scratch," I don't mean store-bought components. Rather, this book describes the basic theory and construction of equipment from virtual garbage, i.e., hanks of wire, bits of metal, a magnet, a chunk of fool's gold, a shoe polish tin, a cigarette lighter, etc. The construction process is a lot of fun, and the end results are quite beautiful. This link will take you to the official web page of the VOTC, where you'll find descriptive text, photos, critical reviews, and ordering information. Fun With Homemade Tubes, Transistors, And More The Voice Of The Crystal was so well received that I immediately considered writing another book. Several of my readers suggested that I put together a book of vacuum tube or transistor circuits to serve as a companion volume to VOTC. I balked at the idea, because instructions for building these types of circuits are available everywhere. On the other hand, I had never seen a book describing how to build the amplifying components themselves, i.e., tubes, transistors, and the like. In the spirit of "extreme" homebrew and the "from scratch" engineering championed in the last book, I decided that a volume on this topic would take my readers to the ultimate next step. I Want A Copy! Where Can I Buy These Books?I do not sell books myself, and my books cannot be ordered through this web site. However, they are available through a growing list of outstanding sellers and distributors. Follow this link to find out who they are What If I Want A Whole Carton Of Books? What do I do? As I indicated above, I do not sell books, myself. Instead, I rely on a small group of excellent book sellers, distributors, societies, and retailers. Needless to say, I am always interested in expanding my distribution. If you are a book seller or dealer, let's talk. BTW, I'd love to expand into the U.K. and Australia! I am also interested in promoting science, engineering, and experimentation among the young. If you represent a school, scout group, or similar organization, please drop me a line I'd Like To Review Your Book For <fill-in-the-blank> Great! Complimentary copies of any of my books are available simply for the asking. Please send me an email identifying yourself, who you write for, and the nature of your employer's busines
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