| Butterworth
Continued |
|
|
|
|
|
|
|
|
|
|
|
| • | Pole
locations in the s-plane at: |
|||||||||
| 2n = -1 or =
(-1)(1/2n) |
||||||||||
| – | Poles
are equally spaced on the unit circle at =k/2n. |
|||||||||
| – | H(s)
only uses the n poles in the left half plane for stability. |
|||||||||
| – | There
are no zeros |
|||||||||
