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برق و الکترونیک::
جبران دما
Most black and white television sets contain at least one thermistor for circuit or scan coil temperature compensation and all color sets employ a PTC thermistor for tube demagnetisation.
For temperature measurement and for temperature compensation, the non-linearity in the resistance-temperature characteristic is a disadvantage.
For temperature compensation of metals or circuit components, the high temperature coefficient of the NTC thermistor must be reduced to match that of the material being compensated so that linearisition of the characteristic can easily be effected at the same time.
TEMPERATURE COMPENSATION
, television deflector coils, motor tachometers, meter movements, etc.) are temperature sensitive and require to be temperature compensated in order that the equipment containing these items will produce stable performance irrespective of ambient and local temperature change.
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