About some type glitch in the frequency Response
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i sent a wave with three frequencies 1000,4000,6000...I passed it through the 1250 cutoff lowpass frequency .but i found a glitch at the frequnecy around 1300 Hz to 1400 Hz...why i am getting this glitch and what is this glitch ?![Capture.PNG](https://www.mathworks.com/matlabcentral/answers/uploaded_files/238995/Capture.png)
![Capture.PNG](https://www.mathworks.com/matlabcentral/answers/uploaded_files/238995/Capture.png)
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Raj
2019-9-20
Information is insufficient to say anything.
1) Show your filter design.
2) Can you attach the full plot instead of a portion snapshot?
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