Mario Sakou

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A dual-clock MASH (multi-stage noise shaping) deltasigma modulator (DSM) is proposed for high performance analog-digital converter. This employs a DSM using a frequency modulated intermediate signal (FMDSM) for the last stage. The sampling clock frequency for the last stage can be increased due to the features of the FMDSM. It is shown that this can(More)
A resonant tunneling logic gate MOBILE is an ultrahigh-speed functional logic gate which switches at the rising edge of the clock. In this paper we describe a novel /spl Delta//spl sigma/ ADC having no feedback loop which make the best use of high-frequency performance of the RTD. The /spl Delta//spl sigma/ modulator use to convert the analog signal to the(More)
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