Hands up all who remember I did a blog on measuring the RMS (root mean square) value of a signal. Hmmm. Nobody! Well for those of you who don’t believe that I wrote one you can find it here: RMS ...

After using the DFB, the square root component is stunningly trivial in its application. Just plonk it on the schematic and configure it. Obviously its internals are far more complex and you can get ...