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Re: Measurement problems, strange step noise floor behavior between 600-800kHz


 

On open ended generator to output to scope -> yes, otherwise no because the TinySA input provides 50 ohm impedance, right?
?
BTW, I just found out that the level difference can be accounted for in the setup. Meaning that the difference between the measured -15dBm from the calibration output that was causing a -35dBm peak can be set using the "Level Offset" in the Config|More menu. After that everything seems correct. I would have expected that the calibration procedure would take care of this rather simple task, unless the absolute level of the calibration oscillator is not known. What do you think? To be honest, I got a little scared with the initial result...

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