Phase Shift for single section RC Filters

Thread Starter

lsecrease

Joined Sep 4, 2008
6
Can someone prove the rule of thumb for single section RC filters is that the phase shift is ≈6° from its asymptotic value at .1f\(_{3dB}\) and 10f_{3dB}?

(.1f(3dB) and 10f(3dB))
 
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