Disadvantages of Passive filters
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    Disadvantages of Passive Filters


    Introduction :

    Passive Filters has main many disadvantages which are following-


    » There is no isolation b/w input and output.

    » These circuits can not provide any gain.

    » There is always someloss of signal, It can be in the passband.

    » Circuit becomes bulky if inductors are used.

    » There is no clear demarcation between Passband and stopband but actually it (Passband & Stopband)       get mixed up.

    » In this frequency responce is not sharp as no sudden change in the output when switching from    passband to stopband.

    » Source loading can take place.