Does PXIe-4112 Use Analog or Switching Technology to Provide an Output?

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It seems there are two ways of technology when using a Power Supply, linear and switching. Analog supplies use a power transformer, diode bridge rectifier and, RLC filter circuits before voltage regulation to supply and output. Whereas a switching supply uses a diode bridge rectifier, smoothing capacitors, switching circuits with high frequency transformers before filtering the rectified output, there’s some control loop circuit too. I found a useful article with further details Linear vs. Switching Power Supplies | tech | Matsusada Precision.
If digital, then the PXIe-4112 PS will have a Hz range that it operates in. A range is typically given because it may shift with load. Sometime these Hz can interfere with sensors and a choke is needed on wiring between the PS and device. Knowing the Hz range will tell us if there are any harmonics that will interfere. Typically, interference is up to the third harmonic after that, there’s just not enough energy to cause an issue.