For me, the biggest benefit of Ultra is that I don't have to worry about spur removal. The sensitivity of the TinySA at 10 GHz is not bad compared to a pro harmonic mixer, and when setting up radio gear, I usually work with relatively strong signals.
I have made measurements of the TinySA sensitivity for frequencies 8 to 18 GHz, always the oscillator gain is 0 dBm It is for 3rd, 4th and 5th harmonics. I've attached screenshots.
The sensitivity is sufficient for working with amplifiers. Level calibration is important.
Thanks for any efforts to extend the bandwidth!
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Mirek
