Here is another great video (and project) from Mike WU2D. I'm a big fan of homebrew superhets. And wow, Mike presents a band-imaging superhet! Two bands for (almost) the price of one! I have FIVE homebrew dual-band band-imaging transceivers around me. Believe me, once you have the experience needed to build an SSB transceiver, a dual-bander is the way to go. Five bands seems like a bit too much. But two seems to be at the sweet spot.
I wrote to Mike reminding him to talk about the sideband inversion problem. This rig will invert the 75 meter signals, but this is easily resolved by just shifting the BFO frequency. I also pointed out that many of today's builders will be detered by the need to scrounge for parts. Where oh where is the BOM OM?
Thanks Mike!
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I was just about to email you, Bill, about Mike's Superb Video, but I was certain you had seen it already! He touches on some great points. The "where is the BOM OM?" situation is real, but he provides some remedies to this problem, crystals being an issue. There are some work-arounds to this one, but that's a separate topic for a SolderSmoke thread.
ReplyDeleteMike did mention the most important "component"-- the Elmer. SolderSmoke and other sites help by being excellent online resources, still, Elmers are key. My friends and I are still Elmering, whenever there is any interest in the hobby.
Perfect period-correct backdrop in Mike's video. Knotty-pine paneling! Nice, very classy in my book!