Yaesu FF-501DX Low Pass Filter
By G4HSKThe FF-501DX LPF, a high-performance VHF and 10m filter, was obtained at a friend's SK sale. After becoming more active on 10m, the author reexamined the LPF and discovered it to be of high quality. The filter's efficiency was outstanding and the return loss/VSWR was better than estimated. The LPF was connected to a Bird 50R dummy load to evaluate insert loss, cutoff, attenuation over 70MHz, and return loss. The original specifications were found in an old radio magazine, along with a link to the original one-page information sheet. Comparing the results to the original specs confirms the LPF's quality.
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You will find this resource in just one category on our links directory. The title of the main category is Filters and it deals mainly with A wide collection of RF Filters, band-pass filters. The resource has been on our site since Friday Sep 20 2024, and it has been viewed 17 times. So far no one has rated it yet. Be the first to rate it!
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