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Topic:Kt Kingtronics Tells You Trimming Potentiometers's Application Basics I
Content:
A trimmer can be used as potentiometer or rheostat. A potentiometer is a three terminal device typically used to vary voltage. In potentiometric configurations, the wiper terminal is lightly loaded so that wiper current is generally small.A rheostat is a two terminal device typically used to control current. Wiper current is generally larger in rheostat circuits.I. Types of ApplicationsThe majority of applications for trimmers occur in electronic circuits. Typical uses are in the following devices:A. AmplifiersB. Timing circuitsC. Voltage and current regulatorsD. Voltage and frequency converters
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