This is merely a historical archive of years 2008-2021, before the migration to mailman3.
A maintained and still updated list archive can be found at https://lists.osmocom.org/hyperkitty/list/osmocom-sdr@lists.osmocom.org/.
Francesco Gugliuzza f.gugliuzza at hacklabproject.org2012/7/14 Michael Karcher <osmosdr at mkarcher.dialup.fu-berlin.de>: > I furthermore found out that this is not the only filtering going on in > the RTL2832 chip in SDR mode. There seems to be a second anti-aliasing > filter before the DAC, making signals disappear that are at frequencies > above 0.7 times the sample rate (in the baseband), even if the > programmable FIR filter lets them pass. That's probably an effect of the E4000 output filter. You can see the filter bandwidth being set in the tuner initalization code. -- Francesco Gugliuzza HackLabProject.org Administrator Linux user #374630 Tel (VoIP geographic number): +39 0921440446 Tel (Libera il VoIP number): 5125320 E-mail: f.gugliuzza at hacklabproject.org