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A novel continuous-time notch filter based on current steering technique was described in this paper. The second-order notch filter consisted of two integrators, one unity-gain inverter and two alpha blocks that were fully integrated onto a silicon chip. The circuit was implemented in SMIC mixed-signal 0.18 nm 1P6M process with the die area of 0.06 mm(2).(More)
The widespread adoption and sustained use of modern cookstoves has the potential to reduce harmful effects to climate, health, and the well-being of approximately one-third of the world's population that currently rely on biomass fuel for cooking and heating. In an effort to understand and develop cleaner burning and more efficient cookstoves, 15 stove(More)
An integrated pulse width modulation (PWM) step-down CMOS DC-DC converter with integrated power switches and a novel on-chip soft-start circuit is presented in this paper. This converter consists of internal ramp signal generator, comparator, error amplifier, PWM control scheme, and a soft-start scheme. The soft-start circuit can produce a slowly rising(More)
This paper describes a new method to implement ultra-low frequency analog filters for electrophysiological signal acquisitions. Unlike the traditional pseudo-resistor or trans conductor-capacitor architectures, the proposed continues time filters employed current steering integrators which help decrease the capacitor area and reducing the total harmonic(More)
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