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On Fri, 16 Mar 2007 21:26:15 -0700, gbowne1 wrote:
... In an effort to help me learn more about electronics than I already know, not a whole lot at this point, I am going to build something with which I can use once I finally get my ticket. I would concur with those who suggest you're shooting a bit high for a first project(grin). Don't throw out that book - you'll be ready to build that project soon enough - but you should start with something a bit less ambitious. The "AA5" receiver idea strikes me as interesting but completely 100% irrelevant to modern electronics, both from the design standpoint and the implementation standpoint. Poking around an old transistor radio, on the other hand, might be worthwhile. Firstly, do you have soldering experience? If not, I would suggest buying a bit of protoboard and a "grab bag" of electronic components for practice purposes. You wouldn't be looking to make any circuit that actually worked - just to develop the skills to reliably make good solder connections. The perfect design isn't going to work if the components aren't connected in the way the designer intended(grin) and solder joint problems can be VERY frustrating to troubleshoot. The ARRL Handbook has a section on soldering that includes pictures of proper joints. (you really should have a copy of the Handbook) After you're confident of your soldering ability (and I doubt it would take more than a day or two to get it down right) I would look at a modest kit as a starting point. Ten-Tec sells some direct-conversion single-band receiver kits. They actually do something (grin), (indeed they really do it pretty well) and are about the right size for a first construction project. There are other similar choices out there. A kit like this will also get you familiar with component identification. When you're ready to start going after the transceiver project, do it in modular steps. Try to work in such a way that you can test each section after you complete it. For example, start with the receiver audio amplifier; it should hum when you touch the input, even if the entire remainder of the transceiver is missing. (i.e. you haven't built it yet!) That way, if something doesn't work (and it won't!) you don't have to search the entire radio for the problem; also, you'll get ego-boosting results sooner! |
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