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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kwen-Siong Chong Bah-Hwee Gwee Chang, J.S. |
| Copyright Year | 2004 |
| Abstract | We describe a 16-channel critical-like spaced, high stopband attenuation (ges60 dB, 109thtimes16-order), micropower (247.5 muW@1.1 V, 0.96 MHz), small integrated circuit (IC) area (1.62 mm2@0.35-mum CMOS) finite impulse response filter bank core for power-critical hearing aids. We achieve the low-power and small IC area attributes by our proposed common pre-computational unit to generate a set of pre-calculated intermediate values that is shared by all 16 channels. We also take advantage of the consecutive zeros in the coefficients of the filter channels, allowing the multiplexers therein to be simplified. We show that our design is very competitive compared to reported designs, and with the advantages of higher stopband attenuation and linear phase frequency response. Compared to a design using the usual approach, our design features 47% lower power dissipation and 37% smaller IC area |
| Sponsorship | IEEE Circuits and Systems Society |
| Starting Page | 853 |
| Ending Page | 857 |
| Page Count | 5 |
| File Size | 404005 |
| File Format | |
| ISSN | 15497747 |
| Volume Number | 53 |
| Issue Number | 9 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-09-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Filter bank Hearing aids Auditory system Attenuation CMOS digital integrated circuits Finite impulse response filter Power dissipation Noise reduction Integrated circuit noise CMOS integrated circuits nonuniform bandwidth finite-impulse response (FIR) digital filters hearing aids low power |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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