Thank you very much Marcus! Really appreciate the help!
On Fri, 3 Jul 2020 at 11:18, Marcus D. Leech via USRP-users < [email protected]> wrote: > On 07/03/2020 12:03 PM, Alex Humberstone via USRP-users wrote: > > Just a quick and basic question. I want to receive down at like between > 1MHz and 10MHz. I have a USRP B210. I knwo that the USRP B210 only goes > down to 70MHz. So I bought a Ham It Up ( > https://www.nooelec.com/store/ham-it-up.html) upconverter to get down to > like 1MHz and 3 MHz. So how does this all work? Does the Ham It Up > upconvert the frequency range from 100KHz to 65MHz up to a center frequency > of 125MHz? So then isn't it true that if I tune the USRP B210 to 125MHz, I > would see my two 1MHz and 3MHz input tones appearing up at 33.5MHz and > 35.5MHz? Just want to clarify this in my mind. Thanks a LOT for your help > everyone! > > > > -- > Sincerely, > Alex-M-Humberstone > PhD Student > Klipsch School of Electrical Engineering > New Mexico State University > Las Cruces, New Mexico > > > Not quite. > > An upconverter conceptually *ADDS* the incoming frequency to the LO > frequency. In the case of the HamItUp, the LO frequency is 125Mhz. > So, to "see" 1MHz signals, you'd tune the B210 to 125MHz + 1Mhz == > 126MHz. For a 20Mhz input signal, 125MHz + 20MHz = 145MHz, etc. > > > _______________________________________________ > USRP-users mailing list > [email protected] > http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com > -- Sincerely, Alex-M-Humberstone PhD Student Klipsch School of Electrical Engineering New Mexico State University Las Cruces, New Mexico
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