A low-noise CMOS amplifier operating at a 1-V supply voltage is developed using the two noise reduction techniques of autozeroing and chopper stabilization. The proposed amplifier utilizes a feedback with virtual grounded input-switches and a multiple-output switched op-amp. The low-noise amplifier fabricated by a 0.18-μm CMOS technology was measured at a 1-V power supply, and achieved low nois...

This paper presents a method to decompose an op-amp into its functional blocks. The is able recognize blocks on high level of abstraction, such as loads or amplification stages, which have large set possible structural implementations. hierarchical library With increasing hierarchy levels, the representation becomes more variable while function emerges. We use order automatically compute decomp...

An approach to implement single-ended power-efficient static class-AB Miller op-amps with symmetrical and significantly enhanced slew-rate accurately controlled output quiescent current is introduced. The proposed op-amp can drive a wide range of resistive capacitive loads. positive negative currents be much higher than the total current. performance achieved by utilizing simple low-power auxil...

Abstract. Particulate matter (PM) is the air pollutant that causes greatest deleterious health effects across world, so PM routinely monitored within quality networks, usually in respect to mass or number different size fractions. However, such measurements do not provide information on biological toxicity of PM. Oxidative potential (OP) a complementary metric aims classify its oxidising abilit...