Table 4
Specification of the filters in proposed architectures for the UMTS standard.
| Architecture Specification | CIC filter | CIC filter | HB filter | FIR filter |
| 2 stages | | | | | Order | 5 | N/A | N/A | 57 | Input wordlength | 6 | N/A | N/A | 15 | Coefficients wordlength | N/A | N/A | N/A | 12 | Decimati on factor | 4 | N/A | N/A | 4 |
| 3 stages | | | | | Order | 5 | N/A | 14 | 20 | Input wordlength | 6 | N/A | 15 | 15 | Coefficients wordlength | N/A | N/A | 10 | 12 | Decimation factor | 4 | N/A | 2 | 2 |
| 4 stages | | | | | Order | 5 | 4 | 10 | 20 | Input wordlength | 6 | 11 | 15 | 15 | Coefficients wordlength | N/A | N/A | 9 | 12 | Decimation factor | 2 | 2 | 2 | 2 |
|
|