App note: Understanding linear resonant actuator characteristics


Application note about Linear Resonant Actuators from Precision Microdrives. Link here

Linear Resonant Actuators (LRAs) are becoming more popular for haptic applications. They are an alternative to eccentric rotating mass vibration motors and have several distinct advantages. For example they have better haptic performance characteristics and are more efficient. For these reasons they are used in many handheld and touchscreen devices, amongst other applications.

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