Here is the link:
https://www.eevblog.com/forum/testgear/jye-tech-dso-138-review-and-performance-testing/
I have the DSO138 Mini
However, it appears for be bad for square waves. Perhaps I should use a logic analyzer instead??
https://articles.saleae.com/logic-analyzers/logic-analyzer-vs.-oscilloscope
https://www.sparkfun.com/products/15033
https://sigrok.org/
https://www.youtube.com/watch?v=KiDDL5xtnG0 [Cheap logic analyzer + Sigrok pulseview = timesaver (LHT00SU1)]
I was looking for logic analyzers viewing the output of a 55 timer. This is not it, but it seems interesting: http://exploringbeaglebone.com/chapter4/
Logic analyzers will sample a sine wave to get a square wave output:
https://articles.saleae.com/logic-analyzers/how-to-use-a-logic-analyzer
I was looking for logic analyzers viewing the output of a 55 timer. This is not it, but it seems interesting: http://exploringbeaglebone.com/chapter4/
Logic analyzers will sample a sine wave to get a square wave output:
https://articles.saleae.com/logic-analyzers/how-to-use-a-logic-analyzer
This may mean that I can get at least a qualitative representation of a high frequency sine wave.
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