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Four application examples are presented in the figure, focusing on a three-phase brushless DC motor used in Winchester disk drives with an operating speed of 3600 RPM. Although the original design specifies an operating speed of 3600 RPM, alternative...
The rechargeable Li-ion battery charger circuit operates with a limited current charging and constant voltage. The charging current flows from the rectified voltage of the transformer through the transistor T1, diode D5, resistor R2, and back to the battery....
White Light Emitting Diodes (LEDs) now available can serve as a strong alternative to incandescent lamps in lighting applications. Today's White LEDs are... White Light Emitting Diodes (LEDs) represent a significant advancement in lighting technology, offering energy efficiency, longevity, and...
This project involves a straightforward and practical 12V power supply circuit utilizing the LM7812 integrated circuit (IC). The LM7812 is a three-terminal fixed voltage regulator IC housed in a TO-220 package. It incorporates several built-in features such as thermal...
The integrated circuit input side contains an oscillating circuit, where the oscillation frequency is determined by the external components L1, C1, and the sensor's equivalent capacitance. The equivalent capacitance increases as the sensor is immersed in liquid. The oscillating...
The game-scoring display screen circuit diagram is depicted in the image above. The circuit consists of an add/subtract scoring input circuit, an add/subtract scoring circuit, a counting-decoding display circuit, and a reset circuit. The game-scoring display circuit is designed to...
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