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Power Factor

If the bandwi...

Question

If the bandwidth of a filter increases:

A

Q factor decreases

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B

the roll-off rate increases

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C

the half-power frequency decreases

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D

the center frequency decreases

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Solution

The correct option is A Q factor decreases
$B a n d w i d t h = \frac{f_{r}}{Q}$
Bandwidth and Q factor are inversely proportional. If the bandwidth of filter increases the Q factor decreases.

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