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Error on App. note http://www.ti.com/lit/an/slua622

Applications Note "Digital Loop Exemplified" at http://www.ti.com/lit/an/slua622 contains a significant technical error on page #5.

Specifically the equation for Fp3 is incorrect. This pole exists at f=0 because in the denominator, if  s x (any real number) = 0, then s === 0.