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Switch Mode (other)
Switch mode, switched mode or switching mode may refer to: * Switch-mode amplifier * Switch-mode converter * Switch-mode power supply * Switch-mode regulator See also * Mode switch (computing) * Switch (other) * Mode (other) * Linear mode (other) {{disamb ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Switch-mode Amplifier
A class-D amplifier, or switching amplifier, is an electronic amplifier in which the amplifying devices (transistors, usually MOSFETs) operate as electronic switches, and not as linear gain devices as in other amplifiers. They operate by rapidly switching back and forth between the supply rails, using pulse-width modulation, pulse-density modulation, or related techniques to produce a pulse train output. A simple low-pass filter may be used to attenuate their high-frequency content to provide analog output current and voltage. Little energy is dissipated in the amplifying transistors because they are always either fully on or fully off, so efficiency can exceed 90%. History The first class-D amplifier was invented by British scientist Alec Reeves in the 1950s and was first called by that name in 1955. The first commercial product was a electronic kit, kit module called the Sinclair X-10, X-10 released by Sinclair Radionics in 1964. However, it had an output power of only 2.5 wat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Switch-mode Converter
A DC-to-DC converter is an electronic circuit or electromechanical device that converts a source of direct current (DC) from one voltage level to another. It is a type of Electric power conversion, electric power converter. Power levels range from very low (small batteries) to very high (high-voltage power transmission). History Before the development of power semiconductors, one way to convert the voltage of a DC supply to a higher voltage, for low-power applications, was to convert it to AC by using a vibrator (electronic), vibrator, then by a step-up transformer, and finally a rectifier. Where higher power was needed, a motor–generator unit was often used, in which an electric motor drove a generator that produced the desired voltage. (The motor and generator could be separate devices, or they could be combined into a single "dynamotor" unit with no external power shaft.) These relatively inefficient and expensive designs were used only when there was no alternative, as to po ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Switch-mode Power Supply
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. Like other power supplies, a SMPS transfers power from a DC or AC source (often mains power, see AC adapter) to DC loads, such as a personal computer, while converting voltage and current characteristics. Unlike a linear power supply, the pass transistor of a switching-mode supply continually switches between low-dissipation, full-on and full-off states, and spends very little time in the high-dissipation transitions, which minimizes wasted energy. Voltage regulation is achieved by varying the ratio of on-to-off time (also known as duty cycle). In contrast, a linear power supply regulates the output voltage by continually dissipating power in the pass transistor. The switched-mode power supply's higher electrical efficiency ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Switch-mode Regulator
A voltage regulator is a system designed to automatically maintain a constant voltage. It may use a simple feed-forward design or may include negative feedback. It may use an electromechanical mechanism or electronic components. Depending on the design, it may be used to regulate one or more AC or DC voltages. Electronic voltage regulators are found in devices such as computer power supplies where they stabilize the DC voltages used by the processor and other elements. In automobile alternators and central power station generator plants, voltage regulators control the output of the plant. In an electric power distribution system, voltage regulators may be installed at a substation or along distribution lines so that all customers receive steady voltage independent of how much power is drawn from the line. Electronic voltage regulators 250px, Block scheme for voltage regulator in an electronic circuit A simple voltage/current regulator can be made from a resistor in series w ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mode Switch (computing)
In computing, a context switch is the process of storing the state of a process or thread, so that it can be restored and resume execution at a later point, and then restoring a different, previously saved, state. This allows multiple processes to share a single central processing unit (CPU), and is an essential feature of a multiprogramming or multitasking operating system. In a traditional CPU, each process – a program in execution – uses the various CPU registers to store data and hold the current state of the running process. However, in a multitasking operating system, the operating system switches between processes or threads to allow the execution of multiple processes simultaneously. For every switch, the operating system must save the state of the currently running process, followed by loading the next process state, which will run on the CPU. This sequence of operations that stores the state of the running process and loads the following running process is called a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Switch (other)
In electricity, a switch is a device that can connect, disconnect, or divert current in an electrical circuit. Switch or The Switch may also refer to: Sport * Switch (basketball), change of defensive assignments during a play * Switch (pickleball), a call, made by one doubles partner to the other, to switch sides * Switch hitter, a baseball player who can bat left- and right-handed * Switch stance, riding a skateboard, snowboard or other device in the direction not preferred by the rider * Switch, a mascot of the Tohoku Rakuten Golden Eagles Technology Computing * Switch (app), for job searching * Switch (command line), a directive added to a text command to modify its behavior statement, a programming language statement which controls program flow * Context switch, performed by an operating system in response to an interrupt * Packet switch, a component in a packet-switched data network ** Network switch, a computer networking device that uses a form of packet switching ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mode (other)
Mode ( meaning "manner, tune, measure, due measure, rhythm, melody") may refer to: Arts and entertainment * MO''D''E (magazine), a defunct U.S. women's fashion magazine * ''Mode'' magazine, a fictional fashion magazine which is the setting for the ABC series '' Ugly Betty'' * ''Mode'' (video game), a 1996 video game * Mode Records, a record label * Mode Media, a defunct digital media company * ''Mode'' (book series), a quartet of novels by Piers Anthony * Modern Organization for Dance Evolvement, known as MODE, a 1970s modern dance organisation in New York * ''Mode'', a defunct Indonesian women's magazine Music * Mode (music), a system of musical tonality involving a type of scale coupled with a set of characteristic melodic behaviors ** Modus (medieval music) *** Gregorian mode, a system of modes used in Gregorian chant (as opposed to ancient Greek modes or Byzantine octoechos) * "Mode", a song by PRhyme from the 2015 soundtrack '' Southpaw: Music from and Inspired b ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
