Talk:Slew rate
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Is there a way to calculate the slew rate required to represent a given signal?
To represent an arbitrary signal that has been passed through a given filter? Would this be the maximum slope of an ideal square wave that has been through the filter? — Omegatron 21:55, 17 January 2006 (UTC)
- The maximum slew rate of a signal V(t) is the maximum of the absolute value of dV/dt. A theoretical linear filter can always produce an output with a slew rate as fast as you want; a proper phrasing of that question would have to bound the amplitude of the voltage at the output of the filter. 66.30.201.209 01:49, 5 February 2006 (UTC)
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- So pretend I phrased it properly. :-) I was operating under the assumption that the filter is not capable of infinite voltage (as implied by the square wave question). — Omegatron 04:42, 5 February 2006 (UTC)
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- I guess that works. We should at least include one here.
- Better yet, we should list the equations and derivation (slope of the transition of a maximum-level square wave filtered to the desired bandwidth?) — Omegatron 18:14, 5 February 2007 (UTC)
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[edit] definition
I dont agree that 'slew rate' is a non linear effect in amplifiers etc. slew rate limiting is a non linear effect. 'Slew rate' merely describes the maximum time rate of change of a variable (usually some voltage). I intend to amend the page to reflect this. Virtualearth
