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Topic:Kt Kingtronics Trimming Potentiometer Definition
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Trimmer potentiometers and preset resistors are small variable resistors which are used in circuits for tuning and (re)calibration.Types of Trimming PotentiometerSeveral different versions of trimmer are available, using different mounting methods (through hole, smd) and adjusting orientations (top, side) as well as single and multi-turn variation.1》Open, carbon track2》Enclosed, side adjust3》Enclosed, SMDSingle turnSingle turn trimmers/presets are very common and used where a resolution of one turn is sufficient. They are the most cost effective variable resistors available.Multi turnFor higher adjustment resolutions, multi-turn Trimming Potentiometers are used. The amount of turns varies between roughly 5-25, but 5, 12 or 25 turns are quite common. They are often constructed using a worm-gear (rotary track) or (linear track) mechanism to achieve the high resolution. Because of their more complex construction and manufacturing, they are more costly than single turn preset resistors. Th
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