Band Pass Filter and Band Stop Filter Explained

In this video, Band pass filter and Band stop filter has been explained with examples.

What is band pass filter:

Band pass filter is the electronic filter, which passes certain band of frequencies and rejects all other frequencies.
This type of filter is particularly useful in communication applications. (e.g Tuning radio, TV)

This band pass filter can be designed many ways, like R-L combination, R-L-C combination or just by R-C combination.

So, in this video, you will learn how to design this Band pass filter by using RC low pass and RC high pass filters.

So, in this video, band pass filter has been designed by cascading high pass filter and low pass filter. And to avoid loading effect of each stage on each other, it has been shown that how band pass filter can be designed using Op-amp.

What is band stop filter/ Band reject filter:

Band stop filter is the electronic filter which rejects certain band of frequencies and passes all the frequencies from the input signal.

Like, in the case of band pass filter, this band stop filter also can be designed in many ways, but it in this video, you will learn how to design band stop filter using active high pass filter and active low pass filter using an op-amp.

Time stamps for the different topics in the video are given below:

0:25 Band Pass Filter

4:01 Example based on band pass filter design

6:27 Band pass filter design using Active filters (using Op-amp)

7:48 Band Stop Filter

10:09 Example based on Band stop filter design

Link for the more videos related to filter design

1) RC Low Pass Filter
   • RC Low Pass Filter Explained  

2) RC High Pass Filter
   • RC High Pass Filter Explained  

3) Active Low pass and Active high Pass filter
   • Active Low Pass Filter and Active Hig...  

This video will be helpful to all students of science and engineering in understanding about band pass and band stop/band reject filters.

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