Comparison of different filters
Noise
- RC one-pole system = p/2 . BW
- Transversal filter = p/2 . BW
- 8-pole Butterworth ~ 1 . BW
- Ideal filter = 1 . BW
Flatness of system frequency response
- RC one-pole system Poor
- Transversal filter Excellent
- 8-pole Butterworth Good
- Ideal filter Excellent
Complexity
- RC one-pole system Easy
- Transversal filter Easy
- 8-pole Butterworth Hard
- Ideal filter Impossible