Advanced low-current amplifier: improved accuracy for ultralow dc applications
Sign Up to like & getrecommendations! Published in 2025 at "Measurement Science and Technology"
DOI: 10.1088/1361-6501/adea15
Abstract: We present a new instrument for measuring and generating small direct currents (dc’s), the advanced low-current amplifier (ALCA). It features a sophisticated two-stage amplifier design to achieve the highest accuracy at moderate complexity. In the… read more here.
Keywords: amplifier improved; current amplifier; low current; advanced low ... See more keywords
Operational Current Amplifier-Based Quadrature Oscillators Family
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DOI: 10.1109/access.2025.3570250
Abstract: This paper investigates the application of the operational current amplifier (OCA) in the design of quadrature sinusoidal oscillators. There are numerous quadrature sinusoidal oscillators based on the three fundamental amplifiers namely the operational amplifier (OpAmp),… read more here.
Keywords: quadrature; current amplifier; quadrature oscillators; amplifier ... See more keywords
Isolated DC and AC Current Amplifier with Magnetic Field Sensor in Loop and Amorphous Ring Core
Sign Up to like & getrecommendations! Published in 2017 at "Acta Physica Polonica A"
DOI: 10.12693/aphyspola.131.1174
Abstract: This paper presents innovative isolated DC and AC current amplifier containing magnetic field sensor in the feedback loop. The amorphous ring core with an air gap is utilized as a part of the galvanic isolation… read more here.
Keywords: current amplifier; isolated current; loop amorphous; amorphous ring ... See more keywords