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Document: LT0273 MX4428 MXP Engineering / Technical Manual
Device Processing
Issue 1.5 24 March 2006 Page 9-3
The output of the filter approaches the input with a maximum slope, or maximum step on
each sample.
ADJ = IN - OUT
n-1
IF ADJ > SL THEN ADJ = SL
IF ADJ < -SL THEN ADJ = -SL
OUT
n
= OUT
n-1
+ ADJ
SL is the step limit for each sample period. The smaller SL the slower the filter.