Saturday, November 30, 2024

Testing a filter with noise

 I built a noise generation circuit out of EMRFD ages ago, but I don't think I ever did much with it.  I was looking at my crystal filter today, and thinking how the TinySA is limited in its minimal bandwidth.  Then I remembered I had an SDR and could look at it with that.

I was using CubicSDR, and the display isn't as clear as I'd like.  Would like if I had some averaging to give me a nice picture, may look into that.





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