[Hackrf-dev] HackRF settling time

[Michael Ossmann]

On Thu, Oct 09, 2014 at 11:25:12AM -0400, Quentin Smith wrote:
>
> You should write an app (maybe just a simple modification of
> hackrf_transfer) that opens the device once and then tunes different
> frequencies at fixed intervals, and I bet you'll find a much shorter
> settling time on all subsequent tunings.

Ideally you would do this in firmware.  The thing that takes the most
time when tuning from the host is the USB interface.  In firmware it
should be possible to tune in well under 1 ms.  With some work on
optimization, I think it could be faster than 200 us.

Mike