A new band pass incremental sigma-delta data converter with low oversampling ratio
Publish place: Fifth International Conference on Quality Research in Electrical and Mechatronics Electrical Engineering
Publish Year: 1397
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ELEMECHCONF05_154
تاریخ نمایه سازی: 21 خرداد 1398
Abstract:
This letter describes a new band-pass incremental sigma-delta analog to digital data converter at low oversampling ratio for use in digital radio receivers for conversion of the intermediate frequency signal, so that a band pass incremental data converters can be constructed to perform analog-to-digital conversion for narrowband signals. Most of literatures to date only focus on the analysis of low-pass incremental modulators without extending to band-pass incremental systems. The advantage of this converter is high accuracy and low power consumption. The modulator operates at a 100 KHz in system level with an OSR of 14. Second and fourth order band-pass incremental sigma-delta A/D converters have been designed in system level in Matlab.
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Authors
Hashem Roohi
Department of Shahid Chamran University, Ahvaz, Iran
Ehsan Shaabani
Department of Azad University, Mahshahr, Iran
Ebrahim Farshidi
Department of electrical engineering, Shahid Chamran University, Ahvaz, Iran