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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Gharbiya, A. Johns, D.A. |
| Copyright Year | 2008 |
| Description | Author affiliation: Dept. of Electr. & Comput. Eng., Univ. of Toronto, Toronto, ON (Gharbiya, A.; Johns, D.A.) |
| Abstract | A 12-bit 0-3 MASH delta-sigma modulator with a 3.125 MHz bandwidth is implemented in 0.18 mum CMOS technology. The modulator has an oversampling ratio of 8 (clock frequency of 50 MHz) and achieves a peak SNDR of 73.9 dB (77.2 dB peak SNR) and consumes 24 mW from a 1.8 V supply. For comparison purposes, the modulator can be re-configured as a single-loop topology where a peak SNDR of 64.5 dB (66.3 dB peak SNR) is obtained with 22 mW power consumption. The energy required per conversion step for the 0-3 MASH architecture (0.95 pJ/step) is less than half of that required by the feedback topology (2.57 pJ/step). |
| Starting Page | 206 |
| Ending Page | 209 |
| File Size | 578141 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424423613 |
| ISSN | 19308833 |
| e-ISBN | 9781424423620 |
| DOI | 10.1109/ESSCIRC.2008.4681828 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-09-15 |
| Publisher Place | UK |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Bandwidth Multi-stage noise shaping Delta modulation Topology Stability Quantization Noise generators CMOS technology Feedback Transfer functions |
| Content Type | Text |
| Resource Type | Article |
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