Contrastive Analysis of Low Power Low Noise Amplifiers Used in Three Different Applications
DOI:
https://doi.org/10.54097/hset.v27i.3809Keywords:
RF receivers, ultra-wideband, Folded-cascode topologyAbstract
In this paper, three kinds of low power low noise amplifier used respectively in biomedical applications, RF receivers and ultra-wideband (UWB) applications are compared and analyzed. Their prime simulation results are showed as well. Since, their application fields are different, the parameter characteristics of signals as well as their circuit structures and used topologies are various. In order to analyze them more clearly and distinctly, on one hand, the parameter characteristics of signals, which is vital factor when decide circuit structures and used topologies, are compared. On the other hand, their circuit structures and used topologies are introduced and qualitatively compared while their performance, such as band width, gain, noise, power, supply voltage, are quantitatively compared. Folded-cascode topology, current reused topology, inverter-based shunt feedback topology, and parallel summation structure are analysed in this paper.
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