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  2. List of vacuum tubes - Wikipedia

    en.wikipedia.org/wiki/List_of_vacuum_tubes

    A compactron used in television sets to supply power to the anode of the picture tube. This tube is very rare, and very special, because it implements an indirectly heated cathode, not connected to the filament. No data is found on this tube, except for the filament power (which is 3.6 volts, 0.225 amps) and the base (which is the 12GQ type).

  3. Power supply - Wikipedia

    en.wikipedia.org/wiki/Power_supply

    An external power supply, AC adapter or power brick, is a power supply located in the load's AC power cord that plugs into a wall outlet; a wall wart is an external supply integrated with the outlet plug itself. These are popular in consumer electronics because of their safety; the hazardous 120 or 240 volt main current is transformed down to a ...

  4. HT (vacuum tube) - Wikipedia

    en.wikipedia.org/wiki/HT_(vacuum_tube)

    In very early vacuum tube television sets, the EHT was derived directly from a high voltage winding on the mains transformer using a half wave rectifier.In later television sets, the EHT supply was invariably generated by rectifying the flyback pulses from the scanning circuitry rather than directly from the mains supply (a practice that survived the transition to transistor circuits).

  5. Orbital welding - Wikipedia

    en.wikipedia.org/wiki/Orbital_welding

    These include using the proper weld program in the orbital welding power supply or controller to match the settings to the pipe size, wall thickness, and tube material. Other key factors include the pipe preparation and face, the correct positioning of the weld head on the tube, and the amount of oxygen present during the welding process.

  6. Uninterruptible power supply - Wikipedia

    en.wikipedia.org/wiki/Uninterruptible_power_supply

    A large data-center-scale UPS being installed by electricians. An uninterruptible power supply (UPS) or uninterruptible power source is a type of continual power system that provides automated backup electric power to a load when the input power source or mains power fails.

  7. Voltage regulator - Wikipedia

    en.wikipedia.org/wiki/Voltage_regulator

    The power supply is designed to only supply a maximum amount of current that is within the safe operating capability of the shunt regulating device. If the stabilizer must provide more power, the shunt output is only used to provide the standard voltage reference for the electronic device, known as the voltage stabilizer.