Hisashi Shichijo

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Radio frequency (RF) and analog/mixed-signal (AMS) integrated circuits (ICs) are key enabling components for mobile and wireless communications and their advancements continue to drive the growth of the related semiconductor market. The circuit and technology requirements for RF and AMS ICs in mobile and wireless communications are quite different in(More)
This paper describes the performance of sigma-delta analog-to-digital converters in a 130nm CMOS digital process and the impact of the dynamic leakage of metal-insulalor-metal capacitor (MIMCAP). A second-order sigma-delta analog-to-digital converter (ADC) for voice applications is built in a 130nm digital CMOS process. The leakage effect from the MTMCAP is(More)
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