gr-osmosdr frequency range for rtlsdr

Alexandru Csete oz9aec at gmail.com
Wed Jan 2 21:35:15 UTC 2013


On Tue, Jan 1, 2013 at 11:03 PM, Steve Markgraf <steve at steve-m.de> wrote:
> Hi,
>
> On 01.01.2013 21:45, Dimitri Stolnikov wrote:
>
>> If you can provide the numbers i will add them to the implementation. It
>> seems that at least for the E4000 tuner these numbers will vary by some
>> 10MHz dependent on temperature.
>
> For the E4K: Not only by temperature, also for each batch of chips, so
> for the corner frequencies of the range you should just try to tune and
> look at the return value if it suceeded.
>
> As for the other tuners: We have list in the wiki, which we could
> implement:
> http://sdr.osmocom.org/trac/wiki/rtl-sdr#Specifications
>

Dimitri made the changes yesterday according to the wiki and they work
great. Thanks for the quick response.
I came to think of what to do about direct sampling mode - one could
consider adding a "no tuner" option and return 0-28MHz range in that
case.

Thanks again!

Alex




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