Long sweep time in zero span mode for all decimation factors

Hi,

I’m using the BB60C since one year and I’m more than very satisfied with its performances and with the Spike usage but I have a request.

I’m using the zero span mode to characterize radiation pattern with the BB60C. For that purpose, I need to be able to set the sweep time to nearly 30 seconds.

However, this is is only possible for decimation factors above 512.

Is it possible to allow 30 seconds max sweep time setting for all decimation factors ?

It would also be very nice if the data were displayed on the PC screen during the sweep instead of being only displayed after the full sweep.

Thanks for considering this request.

Best regards,

Fabrice

Hello Fabrice,

Currently the software limits the zero-span acquisition to ~4M points. We do not currently have plans to increase the number, but there is another way you could achieve a longer sweep time. There are record/playback control panels located along the bottom of the application in zero-span mode. You could set up a 30+ second recording and then play that back in the software. Playing back the recording is very convenient as you can scroll through the IQ data and control playback rates. Even with playback through, it will still only allow you to plot 4M points at once.

I hope this helps, let me know if you have follow up questions.

Regards,
A.J.

Dear Andrew,

I have tried the recording/playback you suggested. It perfectly suits my needs.

The format of the saved xml file contains exactly the required data for my application. I just have to extract the data and to plot them.

Many thanks for your suggestion.

Fabrice

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