A Digitally Programmable Active-RC Filter for On-Chip Portable Sensor Applications
ResumenAn enhanced digital tuning approach for RC-active circuits is presented. Simulations of a 12-bit CMOS second-order filter provide a 11.46-bit effective resolution to linearly control the frequency over three decades with THD<-70 dB. Its low power, 0.5 mW, and low active area, 0.087 mm2, prove its suitability for on-chip sensing systems.
Artículos (Tecnologías Industriales)