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  2. AN/PRC-77 Portable Transceiver - Wikipedia

    en.wikipedia.org/wiki/AN/PRC-77_Portable_Transceiver

    The AN/PRC-77 entered service in 1968 during the Vietnam War as an upgrade to the earlier AN/PRC-25.It differs from its predecessor mainly in that the PRC-77's final power amplifier stage is made with a transistor, eliminating the only vacuum tube in the PRC-25, as well as the DC-DC voltage converter used to create the high plate voltage for the tube from the 15 V battery.

  3. Mains electricity by country - Wikipedia

    en.wikipedia.org/wiki/Mains_electricity_by_country

    Mains electricity by country includes a list of countries and territories, with the plugs, voltages and frequencies they commonly use for providing electrical power to low voltage appliances, equipment, and lighting typically found in homes and offices. (For industrial machinery, see industrial and multiphase power plugs and sockets.) Some ...

  4. Voltage converter - Wikipedia

    en.wikipedia.org/wiki/Voltage_converter

    A simple voltage dropper can be used to reduce the voltage for low-power devices; if more than 12V is required, or for high-powered devices, a switched-mode power supply is used. The output will usually be DC in the range 1.5–24 V. Power supplies that output either 100–120 V AC or 210–240 V AC are available; they are called inverters ...

  5. Electric power conversion - Wikipedia

    en.wikipedia.org/wiki/Electric_power_conversion

    A power converter is an electrical device for converting electrical energy between alternating current (AC) and direct current (DC). It can also change the voltage or frequency of the current. Power Converters can include simpler tools such as transformer or more complex like a resonant converter.

  6. List of power stations in Vietnam - Wikipedia

    en.wikipedia.org/wiki/List_of_power_stations_in...

    Gio Thanh 1 and 2 solar power plants will install approximately 3,000 battery panels, 20 stations with inverter and medium voltage transformer, connected by 110kV voltage to Quan Ngang 110kV substation and expected to complete finished after 6 months of construction. [171] Thuan Nam 12 Phuoc Ha commune, Thuan Nam district, Ninh Thuan province

  7. Category:Electric power conversion - Wikipedia

    en.wikipedia.org/wiki/Category:Electric_power...

    Articles in this category are about converting electric energy from one impedance, phase or frequency (including direct current) to another.But the energy form remain in the same domain and the focus is on energy conversion – not signal conversion or measurement (like Current-to-voltage converter or Voltage-to-current converter).

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