Top Positive Review for Signal Generator on Banggood Arabic|Shopping العربية

FY6900 100MHz Signal Generator High Precision Digital DDS Dual-channel Function Signal/Arbitrary Waveform Generator US$169.99 View It

Overall:

BG251736161 13/08/2021

My perspective for comparison here is the FY6600 which I also own. The good news is that the 4.5ns square wave jitter so noticeable at 9MHz and 11MHz is gone from square waves and related waveforms like CMOS that are a DC level shift from a squarewave. However, the 4.5ns jitter is still present in most other waveforms that have a fast rise or fall like ramps. Sine waves from 60Mhz to 100MHz have increasing amplitude perturbations so that at 100MHz you have significantly distorted sine waves. On the spectrum analyzer at higher frequencies there are what I would call close in sidebands on the FY6900 100MHz. Amplitude ripple at 60MHz is slightly worse on the FY6900 than the FY6600 and severe at 100MHz. Sidebands on the FY6600 are farther away from the center frequency at both 60MHz and 100MHz. So the big improvement is with square wave jitter. I am not sure how usefull the FY6900 will be at 100MHz.

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