I got 8GHz info from:
https://www.rtl-sdr.com/hackrf-sweep-spectrum-analyzer-windows/
I want to express my gratitude for your prompt responses and assistance thus
far. Your support has been valuable.
However, I have a specific query regarding optimizing performance for a
particular goal. In the GitHub repository under
uhd/host/examples/twinrx_freq_hopping.cpp, you mentioned the importance of
directly setting the LO frequency for better performance. Additionally, you
described a method of accessing the LO wherein one LO is set for transmission
while another operates for reception simultaneously. Is this recommended way to
make sweep spectrum (with x310)?
I'm curious if there are more such techniques or tricks to achieve optimal
performance.
Thank you once again for your attention to this matter.
Olo
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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