A second-order Butterworth filter, has 3-dB bandwidth of 500 Hz. Determine the unit impulse response of the filter, and use it to compute the noise-equivalent bandwidth of the filter. Check your result against the appropriate special case of Example 6.9.
Example 6.9
![2035_3ec28080-ac93-4108-bdbc-ea4ae523aea1.png](https://secure.tutorsglobe.com/CMSImages/2035_3ec28080-ac93-4108-bdbc-ea4ae523aea1.png)