# Amplitude

Written by Jerry Ratzlaff on . Posted in Electrical Engineering

Amplitude, abbreviated as A, of a wave, is the maximum displacement from the center of the wave.

## Amplitude formulas

 $$\large{ A = \frac{d}{f} }$$ $$\large{ A = \frac{s}{sin \; (\omega\; t \;+ \;\phi) } }$$

### Where:

 Units English Metric $$\large{ A }$$ = amplitude $$\large{in}$$ $$\large{mm}$$ $$\large{ s }$$ = displacement $$\large{in}$$ $$\large{mm}$$ $$\large{ d }$$ = distance $$\large{in}$$ $$\large{mm}$$ $$\large{ f }$$ = frequency $$\large{Hz}$$ $$\large{Hz}$$ $$\large{ \omega }$$   (Greek symbol omega) = angular frequency $$\large{\frac{deg}{sec}}$$ $$\large{\frac{rad}{s}}$$ $$\large{ \phi }$$  (Greek symbol phi) = phase shift $$\large{in}$$ $$\large{mm}$$ $$\large{ t }$$ = time $$\large{sec}$$ $$\large{s}$$