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Bench Power Supply and Function Generator Recommendations

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MathWizard:

--- Quote from: tautech on May 16, 2023, 09:59:07 pm ---
--- Quote from: Kane on May 16, 2023, 09:41:54 pm ---What are the main big differences between these two that I may have missed? I know the Rigol ch.2 and ch.3 aren't isolated but I don't think this is an issue since you can just use channel 1 as the negative supply, 2 as the positive and 3 as the logic.
--- End quote ---
That's just fine until the day you need 3 fully isolated supplies.

And with SPD3303X-E you can series all outputs for a total of ~69V and run multiple units in series up to 500V max above mains Gnd.
You might not need such versatility.  :-//


--- Quote ---On to the function generator, I've been looking at the Siglent SDG1032X to pair with my Siglent SDS 1104X-E so that I can produce bode plots for control loop stability testing and analysis. Is this good enough for this purpose or should I wait until I can get the Siglent SDG2042X?
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2042X is certainly the better AWG being 16 bit and improvable to 120 MHz yet 1032X here outsell it as a well priced GP AWG.
Either will PnP just fine with your scope.

--- End quote ---
I have the SPD3303X-E, hacked to 1mV/1mA steps. I didn't know you could put the little rail in series with the other 2. Or that you could have a few of the units in series up to 500V. I'm ok for now, but sometime when I need another non-homemade PSU, I'll remember to get a 2nd SPD3303X-E.

One of the days I'll fiddle with the small rail, and add some more protections/shutdown's. And even a little meter.

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