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Roland_W

Measure DC-DC converter stability by WaveForms

Question

I thinking about measure the stability of the DC-DC convrter, and LDO using the Network function form the software, and injection transformer. The schematic will be below :

image.png.1a89a6cb488631e26364e9b24813e531.png

 

The problem is, for the low frequency the transformer have more attenuation, and the AWG1 signal should be stronger to measure not noise of the stability.

The aplitude in this function was defined in the level, with are not depended of the frequency. It will be nice if it possible to create a ampliture frequency table. If it possible to add this functionality in the software in the new version ?

If someone is more intereseted in theory about DC-DC converter stability, the nice documet will be found in  :

https://www.onsemi.com/pub/Collateral/TND352-D.PDF

 

Best regards

Roland

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