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Re: NanoVNA-H4 turns off after one second


 

Seeing you mention ¡°thermal camera¡± does anyone else have recommendations for such a device. I see low cost gun type at the big box stores and have heard of more expensive units that show a picture (like for looking for heat loss in a home). Any suggestions and URLs? Thank you.

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Dave K8WPE

On Nov 3, 2024, at 3:14?AM, Bruce Akhurst <bruce@...> wrote:

?As others have said ideal is a thermal camera

Next best is measuring the output VDD voltage in failed-mode across the suspect components (circuit diagram) looking for the lowest voltage across their pins (lowest is closest to the near-short







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