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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Torkzadeh, P. Javidan, J. Atarodi, M. |
| Copyright Year | 2008 |
| Description | Author affiliation: EE Dept, Sharif Univ. of Technol., Tehran (Torkzadeh, P.; Javidan, J.; Atarodi, M.) |
| Abstract | In this paper, a novel architecture of sigma-delta (SigmaDelta) modulator for maximum achievable SNR amount, analytical aspects and its implementation by switched capacitor circuits using double sampling technique will be presented. The design of anti-aliasing filter has been integrated inside of modulator signal transfer function and it has been shown that the implemented 3rd order sigma-delta (SigmaDelta) modulator can be designed for the maximum SNR of 72dB for minimum over-sampling ratio of 32. Integrator non-idealities and interferer parameters effect on modulator stability and SNR have been explained elaborately. Designed modulator has been implemented by process of 0.18 um TSMC in ADS environment and SNR amount of 72 dB for signal band-width of 10 MHz corresponding to 12 bits of resolution has been achieved. Simulation results on implemented modulator validate the implemented ADC and its main parameters such as stability and input dynamic range. |
| Starting Page | 572 |
| Ending Page | 575 |
| File Size | 462902 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781424417070 |
| DOI | 10.1109/ICCSC.2008.127 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2008-05-26 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Filters Stability Transfer functions Signal processing Dynamic range Delta-sigma modulation Sampling methods Switched capacitor circuits Signal design Signal resolution |
| Content Type | Text |
| Resource Type | Article |
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