Passive low-pass ladder filters with constant input resistance
Linear phase with equiripple error (0.05 degrees)
Normalized element values
| Ca | Cb | Lb | Rb
| L1 | C2 | L3 | C4 | L5 | C6 | L7 | C8 | L9 | C10
|
| 3 | 0.5981 | 0.3275 | 1.0360 | 2.5837
| 1.5018 | 0.9328 | 0.3631
|
| 4 | 0.6387 | 0.2884 | 1.1425 | 2.7818
| 1.5211 | 1.0444 | 0.7395 | 0.2925
|
| 5 | 0.7098 | 0.2254 | 1.3810 | 3.3266
| 1.5144 | 1.0407 | 0.8447 | 0.6177 | 0.2456
|
| 6 | 0.7061 | 0.2300 | 1.3541 | 3.3652
| 1.5050 | 1.0306 | 0.8554 | 0.7283 | 0.5389 | 0.2147
|
| 7 | 0.7387 | 0.2031 | 1.4877 | 3.7021
| 1.4988 | 1.0071 | 0.8422 | 0.7421 | 0.6441 | 0.4791 | 0.1911
|
| 8 | 0.6892 | 0.2471 | 1.2867 | 3.3189
| 1.4953 | 1.0018 | 0.8264 | 0.7396 | 0.6688 | 0.5858 | 0.4369 | 0.1743
|
| 9 | 0.7381 | 0.2037 | 1.4891 | 3.7692
| 1.4907 | 0.9845 | 0.8116 | 0.7197 | 0.6646 | 0.6089 | 0.5359 | 0.4003 | 0.1598
|
| 10 | 0.6819 | 0.2545 | 1.2598 | 3.3002
| 1.4905 | 0.9858 | 0.8018 | 0.7123 | 0.6540 | 0.6141 | 0.5669 | 0.5003 | 0.3741 | 0.1494
|
Reflection coefficient plots
November 2002