| Liu Quan ( 刘全),Gao Jun,Huang Gaoming.[J].高技术通讯(英文),2012,18(2):202~207 |
|
| On design of efficient comb decimator with improved response① |
| |
| DOI： |
| 中文关键词: |
| 英文关键词: comb decimator, cascaded integrator-comb (CIC) filter, prime factorization, polyphase decomposition |
| 基金项目: |
| Author Name | Affiliation | | Liu Quan ( 刘全) | | | Gao Jun | | | Huang Gaoming | |
|
| Hits: 873 |
| Download times: 0 |
| 中文摘要: |
| |
| 英文摘要: |
| A three-part comb decimator is presented in this paper, for the applications with severe requirements of circuit performance and frequency response. Based on the modified prime factorization method and multistage polyphase decomposition, an efficient non-recursive structure for the cascaded integrator-comb (CIC) decimation filter is derived. Utilizing this structure as the core part, the proposed comb decimator can not only loosen the decimation ratio’s limitation, but also balance the tradeoff among the overall power consumption, circuit area and maximum speed. Further, to improve the frequency response of the comb decimator, a cos-prefilter is introduced as the pre-processing part for increasing the aliasing rejection, and an optimum sin-based filter is used as the compensation part for decreasing the passband droop. |
|
View Full Text
View/Add Comment Download reader |
| Close |
|
|
|
