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I realise that you are after a passive solution but I wonder if an
op-amp or two in a Q multiplier configuration *for the first band) might be a better idea? You could then tune the feedback/gain of the device with a R/C combination rather than large values of L. You could of course set the gain to 1 if you wanted. Just an idle thought. Cheers Bob W5/VK2YQA TRABEM wrote: I need an LF to 30 Khz preselector (passive) for a homebrewed receiver I'm building. I have most of the details worked out, but I am stuck on the preselector design. |
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