Keywords:
Frequency Response
Active Filter
Problem #4
a) Obtain the transfer function H(jω) corresponding to the Bode magnitude diagram shown in Fig. 1.
b) What is the cutoff frequency of the filter?
c) Design the filter with the circuit give in Fig. 2. Find the values of Rf and Ri.
Need a hint?
Fig. 1 shows the Bode magnitude of a first order highpass filter and the transfer function contains a zero at the origin and a simple pole. Once the transfer function is determined, the cutoff frequency of the first order filter is the corner frequency of the pole in the transfer function.