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Stand-alone switched-mode power supply An adjustable switched-mode power supply for laboratory use. A switched-mode power supply (SMPS), also called switching-mode power supply, switch-mode power supply, switched power supply, or simply switcher, is an electronic power supply that incorporates a switching regulator to convert electrical power efficiently.
Shannon was the first to describe the Boolean gates (electronic circuits) that are essential to all digital electronic circuits, and was one of the founding fathers of artificial intelligence. [2] [3] [4] [1] Shannon is credited with laying the foundations of the Information Age. [5] [6] [7]
An electric circuit is an interconnection of electric components such that electric charge is made to flow along a closed path (a circuit), usually to perform some useful task. [ 56 ] The components in an electric circuit can take many forms, which can include elements such as resistors , capacitors , switches , transformers and electronics .
An amplifier circuit, a common-emitter configuration with a voltage-divider bias circuit The common-emitter amplifier is designed so that a small change in voltage ( V in ) changes the small current through the base of the transistor whose current amplification combined with the properties of the circuit means that small swings in V in produce ...
The idea of a proximity fuse had long been considered militarily useful. Several ideas had been considered, including optical systems that shone a light, sometimes infrared, and triggered when the reflection reached a certain threshold, various ground-triggered means using radio signals, and capacitive or inductive methods similar to a metal detector.
Roberts had always wanted to build a digital computer and, in July 1970, Electronic Arrays announced a set of six LSI integrated circuits that would make a four-function calculator. [ 17 ] [ 18 ] Roberts was determined to design a calculator kit and got fellow Weapons Laboratory officers William Yates and Ed Laughlin to invest in the project ...
Evidence found near the blast sites included bits of metal, nails, ball bearings, [51] black nylon pieces from a backpack, [52] remains of an electronic circuit board and wiring. [51] [53] A pressure cooker lid was found on a nearby rooftop. [54] Both of the improvised explosive devices were pressure cooker bombs manufactured by the bombers.