Hi Wes,
Not necessarily a solution, but the latest version of NanoVNA Saver is version 0.5.5 dated 05-Mar-2023.
Your Version 0.3.9 is dated 03-Apr-2022, and there have been at least four revision between your 0.3.9 and the current 0.5.5.
Here¡¯s a link to download the latest, and earlier, versions of NnaoVNA Saver:
Might be worth a try to see if a newer version helps. Good luck.
Ken -- WB?OCV
From: Wes Winkler via groups.io
Sent: Monday, June 5, 2023 04:54 PM
To:
[email protected]Subject: [nanovna-users] NanoVNA Saver Error Message
I am getting an "ERROR during sweep" message when using NanoVNA Saver version 0.3.9.
The message states "failed reading data 1 10 times, Data outside expected valid ranges, or in an unexpected format. You can disable validation on the device settings screen".
I am using the NanoVNa to evaluate an RF amplifier sweeping the 1 MHz to 30 MHz range. The amplifier has 25 dB of gain so I am using a 30 dB attenuator between the output of the amplifier and the input to CH 1. When I run a sweep with the amplifier powered down the results get displayed with no errors, but when I power the amplifier up and run a sweep I get the error.
Any ideas?