It calculates the noise contribution of each component and propagates it to the output of the circuit sweeping through the frequency range specified. Multisim creates a noise model of the circuit using noise models of each resistor and semiconductor devices and then performs AC-like analysis. Noise Analysis calculates the noise contribution from each resistor and semiconductor device at the specified output node. Noise affects digital, analog and all communications systems. Noise is electrical or electromagnetic energy that reduces the quality of a signal. With this window, you merely need to specify the parameter values and output nodes of interest. This abstracts away the complexities associated with SPICE syntax and configuration of analysis. Multisim simplifies the procedure for an advanced analysis by providing a configuration window. For each analysis, you need to set settings that will inform Multisim exactly what to analyze, and how. Each analysis helps you to obtain valuable information such as the effects of component tolerances and sensitivities. These analyses range from the basic to sophisticated. Multisim features a comprehensive suite of SPICE analyses for examining circuit behaviour.
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This tutorial is part of the National Instruments SPICE Analysis Fundamentals Series. Each tutorial in this series provides you with step-by-step instructions on how to configure and run the different SPICE analyses available in Multisim, powerful simulation and analysis while abstracting the complexity of SPICE syntax.
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