The LM3914 is a monolithic integrated circuit that senses analog voltage levels and drives 10 LEDs, providing a linear analog display. A single pin changes the display from a moving dot to a bar graph. Current drive to the LEDs is regulated and programmable, eliminating the need for resistors. This feature is one that allows operation of the whole system from less than 3V. LM3914 - Versatile and Easy use Display
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The Industrial Electricians Notebook - Free online electrical books selection that features interesting and timely subjects: electrical theory, electrical reference information, electrical equipment and maintenance data, industrial electronics, and electrical safety regulations.
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IRFP460 – Fast switching, ruggedized device design, low on-resistance and cost-effectiveness. The TO-247 package is preferred for commercial-industrial applications . 500V 20A device. Dynamic dV/dt Rating, Repetitive Avalanche Rated, Isolated Central Mounting Hole, Fast Switching, Ease of Paralleling, Simple Drive Requirements.
1964 Motorola Semiconductor Circuits Manual. This manual discusses some of the many practical circuits using power semiconductors. The circuits are intended to illustrate design principles and limitations of solid state devices . A broad frequency spectrum is covered. The devices include p-n junctions such as low current rectifiers, zener diodes and the new high current multicell rectifiers.
