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  2. Laser power scaling - Wikipedia

    en.wikipedia.org/wiki/Laser_power_scaling

    The power scaling of fiber lasers is limited by Raman scattering and Brillouin scattering, and by the fact that such lasers cannot be very long. The limited length of the double-clad fibers limits the usable power of the multi-mode pump, because the pump is not absorbed efficiently in the fiber's active core. Optimization of the shape of the ...

  3. Orders of magnitude (power) - Wikipedia

    en.wikipedia.org/wiki/Orders_of_magnitude_(power)

    tech: approximate power of Galileo space probe's radio signal (when at Jupiter) as received on earth by a 70-meter DSN antenna. 10 −18: atto-(aW) 1 × 10 −18: −150 dBm phys: approximate power scale at which operation of nanoelectromechanical systems are overwhelmed by thermal fluctuations. [4] 10 −16: 1 × 10 −16: −130 dBm

  4. Glossary of electrical and electronics engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_electrical_and...

    A simplified schematic diagram of a power system. on-premises wiring Telecommunications wiring owned by the customer. open-circuit test A test, of a transformer or other device, with no load connected. open-circuit voltage The voltage developed at the terminals of a device with no load connected. open-circuit time constant method

  5. Circuit diagram - Wikipedia

    en.wikipedia.org/wiki/Circuit_diagram

    Once the schematic has been made, it is converted into a layout that can be fabricated onto a printed circuit board (PCB). Schematic-driven layout starts with the process of schematic capture. The result is what is known as a rat's nest. The rat's nest is a jumble of wires (lines) criss-crossing each other to their destination nodes.

  6. Schematic - Wikipedia

    en.wikipedia.org/wiki/Schematic

    A schematic, or schematic diagram, is a designed representation of the elements of a system using abstract, graphic symbols rather than realistic pictures. A schematic usually omits all details that are not relevant to the key information the schematic is intended to convey, and may include oversimplified elements in order to make this essential meaning easier to grasp, as well as additional ...

  7. List of semiconductor scale examples - Wikipedia

    en.wikipedia.org/wiki/List_of_semiconductor...

    Ambarella Inc. announced the availability of the A7L system-on-a-chip circuit for digital still cameras, providing 1080p60 high-definition video capabilities in September 2011 [110] Chips using 24–28 nm technology

  8. Dennard scaling - Wikipedia

    en.wikipedia.org/wiki/Dennard_scaling

    Specifically, leakage current and threshold voltage do not scale with size, and so the power density increases with scaling. This eventually led to a power density that is too high. This is the "power wall", which caused Intel to cancel Tejas and Jayhawk in 2004. [9] Since around 2005–2007 Dennard scaling appears to have broken down.

  9. Scientific modelling - Wikipedia

    en.wikipedia.org/wiki/Scientific_modelling

    Scientific modelling is an activity that produces models representing empirical objects, phenomena, and physical processes, to make a particular part or feature of the world easier to understand, define, quantify, visualize, or simulate.