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Lucas Ingles lucas.lorenzi at gmail.comThank you very much for your response Steve! This was exactly what I needed. Regards, Lucas 2013/8/1 Steve Markgraf <steve at steve-m.de> > Hi, > > On 01.08.2013 21:25, Lucas Ingles wrote: > > Which is the actual receiver architecture used in the RTL-SDR dongles? I > > mean, do we have a Hartley receiver, a Weaver receiver, a zero-IF > > receiver, a low-IF receiver? > > Depends on the tuner, the RTL2832 can be used both in zero-IF and in > low-IF mode. For the R820T it's low-IF, for all the other tuners > (including E4K) zero-IF. > > > Also, the E4K tuner has two outputs: one output is the in-phase > > component and the other output is the quadrature component. So, does the > > RTL2832U has two ADCs to sample the two components? Or just one ADC and > > it samples the two components interleaved? > > It has two ADCs, one for the in-phase and the one for the quadrature > component. > > In the low-IF mode only one of them is used, which one can be selected. > The generation of the I/Q signals then is done by an internal DDC. > > Regards, > Steve > > -- Lucas Lorenzi Ingles -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/osmocom-sdr/attachments/20130801/6f304afc/attachment.htm>