An 80-MHz, 14-bit bandpass mash sigma–de
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S. Marabelli; A. Fornasari; P. Malcovati; F. Maloberti
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Article
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2005
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Elsevier Science
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English
⚖ 238 KB
In this paper a bandpass MASH (multi-stage noise shaping) sigma-delta (RD) modulator is presented. A SNR (signal to noise ratio) of at least 85 dB (equivalent to a resolution of 14 bits) has been achieved over a 5 MHz band around an intermediate frequency (IF) of 20 MHz using a clock frequency of 80