On 02/05/2024 07:38, Olo via USRP-users wrote:
Goal is to find the limits. The HackRF for example can do 8GHz per second sweep. So lets consider that as example.
Assuming 20Mhz/tuning (I think HackRF supports a maximum of 20Mhz bandwidth), that's 2.5msec/tuning.

The X310 with the TwinRX can support 80MHz of bandwidth, and the synthesizer probably locks in under
  2msec for 250MHz jump in frequency.


On Wednesday, May 1st, 2024 at 20:42, Olo via USRP-users <usrp-users@lists.ettus.com> wrote:
Would it be possible, with the USRP X310 with TwinRX (or two TwinRX units), to achieve the mentioned goal? If so, could you please explain the approach to accomplish this? Thank you.

On Tuesday, April 30th, 2024 at 9:20, Olo <olo1...@protonmail.com> wrote:

Hi there,

I'm USRP B210 for a project. I'm trying to make a sweep spectrum analyzer that scans frequencies quickly. Currently, I'm tuning frequencies like this (which is I think the main issue):

tune_request = uhd.types.TuneRequest(self.steps[self.i], 1.0)
result = self.usrp_device.set_rx_freq(tune_request, self.rx_info.ch) I'm programming it in PyQt, and I've created a stream like this: self.stream_cmd_start = uhd.types.StreamCMD(uhd.types.StreamMode.num_done). (Because I've noticed that for a continuous stream, it takes eternity to retune.) Do you have any tips on how to do this faster? Any advice or code examples would be really helpful.

Thanks a lot,

Olo.




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