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Jeff Liebermann wrote in
: For FM tuners, it's dBf (dB over 1 femtowatt) usually into 300 ohms but sometimes into 75 ohms: The Tecsun PL-390 uses dBµ (micro). Most of this is new to me, but I read that Tecsun's dB referencing makes them useful to EMI and RFI engineers, and one related radio beign especially useful for tracing noise, having a plug-in rotatable magnetic loop antenna as well as a long(ish) whip. At this point pouring scorn or praise on Tecsun radios is interesting to me either way, because for the first time in a while I have found a radio I care enough not to be indifferent to it. |
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