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This paper presents a low power VCO based ADC with asynchronous sigma-delta modulator (ASDM). A prototype is designed in 65nm CMOS technology with a measured performance of 54.3dB SNDR and 68dB SFDR over 8MHz bandwidth while consuming 2.8mW from a 1.2V supply.
A thermostat is an automatic temperature control unit, which operating environment is featuring by non-linear, inertial and time-variant. Traditional control can not achieve satisfied performance. As one large embranchment of non-linear control, fuzzy control can manage it better. This paper presents a thermostat intelligent control system with fuzzy… (More)