The calculation of the bandwidth at -3dB, -10dB or -5dB ?

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Vikash Pandey

-3 dB is well accepted in academic books and therefore often illustrated. But, it can differ from one problem to another and also region of interest. You cannot paint all buffaloes black!

Zed Bib

thank you for response

Mohammad T. Raad

The more suitable and illustrated one is -3 dB respecting the region of interest.