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Radioastronomy applications, as well as others, require ultra-low-noise front ends for high-sensitivity receivers. In this way, the image produced from a radio-telescope using such advanced components has a higher resolution and therefore allows scientists to obtain a clearer representation of the environment. The low-noise amplifier is the key component of a high sensitivity receiver (demonstrating...
Stochastic resonance (SR) in nanodevice parallel network systems is described. The SR is a phenomenon in which the response of the system is enhanced by adding noise. Parallel network of GaAs-based nanowire field-effect transistors (FETs) operating in subthreshold region exhibits enhanced signal response by noise addition. Input-output signal correlation shows a peak in optimal noise, confirming the...
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