Suppose an ideal bandstop filter is used to remove an interfering signal that has bandwidth 10a, where a =7, and center frequency 100b, where b =5. (The bandwidth is the difference between the highest and lowest frequencies of the interfering signal.) The bandstop filter blocks out these frequencies exactly, no more and no less. What is the lower cutoff frequency of this filter?

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Suppose an ideal bandstop filter
is used to remove an interfering
signal that has bandwidth 10a,
where a =7, and center
frequency 100b, where b =5.
(The bandwidth is the difference
between the highest and lowest
frequencies of the interfering
signal.) The bandstop filter
blocks out these frequencies
exactly, no more and no less.
What is the lower cutoff
frequency of this filter?
Transcribed Image Text:Suppose an ideal bandstop filter is used to remove an interfering signal that has bandwidth 10a, where a =7, and center frequency 100b, where b =5. (The bandwidth is the difference between the highest and lowest frequencies of the interfering signal.) The bandstop filter blocks out these frequencies exactly, no more and no less. What is the lower cutoff frequency of this filter?
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