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Luca Bedogni bedogni.luca at gmail.comThank you So, If I want to get the real power on the channel, what should I do? Basically when I get like -46/-47 dB I'm getting only noise, right? Thank you very much -- Luca Bedogni Academic: http://lbedogni.web.cs.unibo.it Photo: http://www.lucabedogni.it On Tue, Apr 16, 2013 at 12:20 PM, Stefan Sydow <st at metafly.info> wrote: > Hi, > > -48bB is the theoretical limit for a 8bit ADC. > There are two channels and a bit of filtering but it will not help that > much. > > Stefan > > Am 16.04.2013 07:35, schrieb Luca Bedogni: > > Hi > > I have an Elonics 4000 USB receiver, and I-m trying to do some > > measurements on the digital television received power in my area. > > Everything works fine, except that the received power is never lower than > > -46 dB, even on channel which are not occupied. I was expecting to get > > values like -120 dB or something similar, instead in my measurements the > > lowest point in any portion of the spectrum is circa -46 dB. > > > > Am I missing something? > > > > Thank you > > Best > > > > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/osmocom-sdr/attachments/20130417/485a3290/attachment.htm>