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SDG6052X waveform memory size

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suspension:
Hello
I am planning to buy SDG6052X device and have a question about waveform memory. In the data sheet it says the waveform length is 2 ~ 20 Mpts. What does this mean? When does it use 2MPts and 20MPts respectively? Also any information regarding any interpolation done on phase  when lookup is made is much appreciated.
Thanks
S

tautech:
See:
P37 2.1.7 To Set the Arbitrary Waveform
https://int.siglent.com/u_file/download/24_08_13/SDG6000X_UserManual_UM0206X-E01C.pdf

egonotto:
Hello,

if I remember correctly, you can only use a maximum of 32 kpts in DDS mode.
In TrueArb you can use up to 20 Mpts, but you only have a maximum sample rate of 300 MHz.

Best regards
egonotto

suspension:
@tautech I checked the manual, but it is still unclear how many points they use in either mode and how they use them. I will a bit more and see.

@egonotto in trueARB, is 300 the max sampling rate (MSps) or maximum bandwidth of the signal fundamental?

Thanks

TurboTom:
I verified the 20MSa at 300MSa/s in TrueArb mode here to better understand the internal topology (the "recent" specimen of the SDG6000X haven't got dedicated sample memory), yet without screenshots.

A quite nice application of using a big sample file (albeit at a comparably moderate sample rate) is shown here.

Performance-wise the SDG6000X is quite good, but the user interface and connectivity is mediocre at best and really shows the age of the instrument series.

Decision-making can be hard...  ;)

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