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Roy Lewallen wrote:
A step attenuator which is completely adequate for HF and can easily resolve 1 dB can be made from a few cheap slide switches, some PC board material, and a handful of ordinary 5% quarter watt resistors. Detailed instructions can be found in numerous sources, including the Web -- a Google search brought a large number of hits, the first of which was http://www.arrl.org/tis/info/pdf/9506033.pdf. But I'm afraid that this level of homebrewing is beyond the interest if not the ability of the majority of today's amateurs. Got it - Thanks, Roy! - 73 de Mike KB3EIA - |
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