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Slew Rate




In Electronics , the slew rate represents the maximum rate of change of signal at any point in a circuit.
Limitations in slew rate capability can give rise to non linear effects in electronic amplifiers. For a Sinusoidal waveform not to be subject to slew rate limitation, the slew rate capability at all points in an Amplifier or other circuit must exceed

:2 \pi f V_{\mathrm{pk}},

where ''f'' is the frequency, and V_{\mathrm{pk}} is the peak value of the waveform.
Slew rate is usually expressed in units of V / µs .

In Mechanics the slew rate is given in Dimensions 1/''T'' and is associated with the change in position over time of an object which orbits around the observer.


DEFINITION


The output slew-rate of an amplifier or other electronic circuit is defined as the maximum rate of change of the output voltage for all possible input signals.



where I_\mathrm{sat} is the output current of the first stage in saturation.