Toshiba G7 Series Applications Workbook page 14

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Also known as anti-hunting gain or rate, differential gain is really not a gain, but a time. Differential gain is seldom used, but it helps

to stop oscillations on slowly changing variables (temperature). Any high frequency changes in the system variable (including noise,

if present) are picked up by the differential circuit and could lead to instability. The longer the differential time, the stronger the

differential action.

Input to Differential Circuit

Output from Differential Circuit

Derivative

Time

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H7 series