[time-nuts] time/sampling behavior of RTL-SDR
jimlux at earthlink.net
Wed Mar 8 09:59:56 EST 2017
On 3/7/17 9:29 PM, jimlux wrote:
>> Sent from my smartphone.
>> -------- Original message --------From: jimlux <jimlux at earthlink.net>
>> Date: 07/03/2017 22:08 (GMT+01:00) To: Discussion of precise time
>> and frequency measurement <time-nuts at febo.com> 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)
More information about the time-nuts