Filter Doubts - what does it mean filter null point?

[danesh]

Filter Doubts

Hi guys

im kind of new to filter design would like to know futher information on filter design.

i wanted to know what does it mean by filter null point? thanks guys


-danesh-

 

[flatulent]

Re: Filter Doubts

It may mean that there is an imaginary axis pair of zeros which make the transmission through the filter zero at their frequency.

 

[chikku]

hi flatulent,
can explain briefly pls
thnk u