I should have said the so the 4.5 dB noise figure is certainly not unreasonable.
Sorry for the typo. 73, Don (wd8dsb) On Tue, Mar 9, 2021 at 6:20 PM Don Kirk <[email protected]> wrote: > A couple of weeks ago there were a lot of postings about my portable flag > for radio direction finding (for tracking down RFI), and someone asked > about the DX Engineering preamp that was designed for use with my portable > flag and specifically what the noise figure was for this preamp. Tim > (K3LR) said DX Engineering would measure it, and today he reported it > measured 4.5 dB. > > Tim mentioned that there were trade offs in the design such as low current > draw and high gain, so the 4.5 dB noise figure is certainly unreasonable. > It really is the only preamp I now use with my portable flag, and very > pleased with how it works. > > Just FYI, > Don (wd8dsb) > _________________ > Searchable Archives: http://www.contesting.com/_topband - Topband > Reflector > _________________ Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
