Review Article
Sigma-Delta Modulation Based Digital Filter Design Techniques in FPGA
Table 2
Area-performance comparison of single-bit FIR versus multibit Filter: pipelined mode.
| | Device | Single-bit | Multibit | | Number of tern. coeff | LUTs | | | | LUTs | |
| | Cyclone-III | 512 | 3963 (3%) | 125.6 | 64 | 8 | 9020 (8%) | 94.5 | | 2048 | 15399 (13%) | 122 | 12 | 17079 (14%) | 67.1 | | 4096 | 30607 (26%) | 120 | 16 | 26890 (23%) | 53.3 | | 8192 | 61029 (51%) | 118 | 18 | 32586 (27%) | 47.4 |
| | Stratix-III | 512 | 3719 (1%) | 240 | 64 | 8 | 4923 (1%) | 258.3 | | 2048 | 14453 (5%) | 237 | 12 | 10353 (4%) | 199.0 | | 4096 | 28745 (11%) | 237 | 16 | 16916 (7%) | 158.8 | | 8192 | 57362 (21%) | 231 | 18 | 20662 (8%) | 139.7 |
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