Chebyshev Filter Design: Low & High Pass with Op-Amp

In this video, you will learn, how to design Chebyshev low pass and high pass filters using OP-Amp.

In this video, you will learn, how to interpret the Chebyshev filter design table and using that how to design the Chebyshev filters using Salen-Key filter topology.

Chebyshev Filter:
Chebyshev Filter provides the faster roll-off than the Butterworth filter. But it has ripple in the passband.

Four important parameters for Chebyshev Filter Design:
1. Passband Ripple (Ap)
2. Passband Cut-off Frequency (wp)
3. Stopband Cut-off Frequency (wc)
4. Stopband Attenuation (As)

What is filter table:
Filter table is very useful tool for designing filters, in which coefficients of the filter polynomials and different parameters like Q value, Frequency Scaling factor are given for different order of the filters.

So, in this video, by taking one filter design example it has been shown that the same transfer function can be achieved if the filter design is designed using filter table and mathematical equations of Chebyshev Filter.

Link for the Chebyshev filter table for the different values of passband ripple:
https://drive.google.com/file/d/0B3FOmN0FcD6OY1dUNElUWkhCanc/view?usp=sharing&resourcekey=0-hipMjsez26impqI5q7TtxA

Timestamps for the different topics covered in the video:

0:58 Overview of Chebyshev Filter and design parameters

4:55 Chebyshev Filter Design Example

6:45 Deriving transfer function of the filter using mathematical equations

12:16 Deriving transfer function of the filter using filter table

13:47 Chebyshev Low Pass Filter Design using Op-Amp

20:30 Chebyshev High Pass Filter Design
This video will be helpful to all the students of science and engineering in learning, how to design the Chebyshev Low pass and High Pass filters.

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