The input signal may be asymmetrical and may have acceleration and deceleration amplitudes which differ in magnitude, and thus is useful in systems where it is desirable to the limit frequency content of an input signal while compensating for {HEAD ~ the effects} of {TAIL ~ back EMF voltage} 
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The input signal may be asymmetrical and may have acceleration and deceleration amplitudes which differ in magnitude , and thus is useful in systems where it is desirable to the limit frequency content of an input signal while compensating for { HEAD ~ the effects } of { TAIL ~ back EMF voltage }
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