On 3/7/17 9:29 PM, jimlux wrote:
Sent from my smartphone.
-------- Original message --------From: jimlux <[email protected]>
Date: 07/03/2017 22:08 (GMT+01:00) To: Discussion of precise time
and frequency measurement <[email protected]> Subject: [time-nuts]
time/sampling behavior of RTL-SDR
Has anyone ever looked at the timing consistency/behavior of the cheap
RTL-SDR dongles?
That is, if you feed a sine wave in and get the samples out via the USB
interface, are there missing samples? What's the ADC clock look like?
If you had two of them, and you determine the relative phase of them at
some time t0, and you let it run for minutes, how far will it have moved?
Aha, someone has measured the Allan Deviation (although they don't say how)
http://www.rtl-sdr.com/wp-content/uploads/2015/03/rtl_R820T2.pdf
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