What doesthe corner frequency of an RC circuit meanSolutionR

What doesthe corner frequency of an RC circuit mean?

Solution

RC circuit is nothing but a filter.It allows some frequency and blocks some other frequency. It can be used as either low pass circuit or high pass circuit.

Corner frequency is the frequency at which gain is 70.7%.

It is also called as cut off frequency or 3db frequency.

f=1/2RC

In low pass filter, corner frequency is the frequency below which the circuit allows.

In high pass filter, corner frequency is the frequency above which the circuit allows.