voltage-regulated ac power supply
51импульсный источник электропитания с коммутацией тока на первичной стороне — In primary switch mode power supplies, the AC mains voltage is first rectified and smoothed and then chopped ("switched"). Chopping means that the DC voltage is switched periodically at a frequency of 40 to 200 kHz using a power… …
52Opto-isolator — This article is about the electronic component. For the optical component, see optical isolator. Schematic diagram of an opto isolator showing source of light (LED) on the left, dielectric barrier in the center, and sensor (phototransistor) on… …
53Personal computer hardware — Hardware of a modern personal computer 1. Monitor 2. Motherboard 3. CPU 4. RAM 5. Expansion cards 6. Power supply 7. Optical disc drive 8. Hard disk drive …
54Dummy load — Cantenna dummy load suitable up to 30 MHz and up to 1 kW A dummy load is a device used to simulate an electrical load, usually for testing purposes. Contents 1 Radio …
55Vicor Corporation — Infobox Company company name = Vicor Corporation company company type = Public (nyse|VICR) foundation = 1981 location = Andover, MA key people = Patrizio Vinciarelli (Chairman of the Board, President and Chief Executive Officer), Barry Kelleher… …
56Active pixel sensor — An active pixel sensor (APS) is an image sensor consisting of an integrated circuit containing an array of pixel sensors, each pixel containing a photodetector and an active amplifier. There are many types of active pixel sensors including the… …
57Battery eliminator circuit — A battery eliminator circuit (BEC) is an electronic circuit designed to deliver electrical power to other circuitry without the need for a battery. Historically the expression was sometimes used to describe devices used to power battery driven… …
58semiconductor device — ▪ electronics Introduction electronic circuit component made from a material that is neither a good conductor nor a good insulator (hence semiconductor). Such devices have found wide applications because of their compactness, reliability,… …
59Car audio — Car audio/video (car AV), auto radio, mobile audio, 12 volt and other terms are used to describe the sound or video system fitted in an automobile. While 12 volt audio and video systems are also used, marketed, or manufactured for marine,… …
60Electric utility — An electric utility is a company (often a public utility) that engages in the generation, transmission, and distribution of electricity for sale generally in a regulated market. The electrical utility industry is a major provider of energy in… …
