Research Article
Designing All-Pole Filters for High-Frequency Phase-Locked Loops
Table 1
Stability threshold for standard filters.
| Order | Butterworth | Chebyshev | Bessel | Gaussian |
| 2 | 1.4142 | 2.3998 | 3.0000 | 2.1974 | 3 | 0.7500 | 0.9205 | 2.0833 | 1.1665 | 4 | 0.5719 | 0.6106 | 1.8883 | 0.8688 | 5 | 0.4705 | 0.4499 | 1.8069 | 0.7195 | 6 | 0.3982 | 0.3501 | 1.7598 | 0.6264 | 7 | 0.3444 | 0.2910 | 1.7286 | 0.5613 |
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