Probability distribution function of crossover frequency of operational amplifiers

نویسندگان

چکیده

For the first time cumulative distribution function and histogram of crossover frequency a contemporary operational amplifier ADA4898-2 is experimentally studied. Using USB lock–in amplifier, which allows automatic sweep current response non-inverting with significant static amplification, we measure 200 samples amplifiers. This new method gives advantage in accuracy speed study every amplifier. The theory use based on universal relation between dependent output input voltages. common for all amplifiers applicable frequencies much smaller than non-dominant poles. In other words, this approximation adequate, when an included circuit amplification.

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ژورنال

عنوان ژورنال: Measurement

سال: 2021

ISSN: ['1873-412X', '0263-2241']

DOI: https://doi.org/10.1016/j.measurement.2021.109509