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  2. Flyback transformer - Wikipedia

    en.wikipedia.org/wiki/Flyback_transformer

    A flyback transformer (FBT), also called a line output transformer (LOPT), is a special type of electrical transformer. It was initially designed to generate high-voltage sawtooth signals at a relatively high frequency. In modern applications, it is used extensively in switched-mode power supplies for both low (3 V) and high voltage (over 10 kV ...

  3. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  4. Universal integrated circuit card - Wikipedia

    en.wikipedia.org/wiki/Universal_integrated...

    However, it is not always possible because some carriers (e.g., in U.S.) SIM-lock the phones that they sell, preventing rival carriers' cards from being used. The use and content of the card can be protected by use of PIN codes. One code, PIN1, can be defined to control normal use of the phone. Another code, PIN2, can be set, to allow the use ...

  5. Samsung Galaxy - Wikipedia

    en.wikipedia.org/wiki/Samsung_Galaxy

    Logo used until 2015. Samsung Galaxy (Korean: 삼성 갤럭시; stylized as SΛMSUNG Galaxy since 2015 (except Japan where it omitted the Samsung branding up until 2023), [2] previously stylized as Samsung GALAXY; abbreviated as SG) is a series of computing, Android mobile computing and wearable devices that are designed, manufactured and marketed by Samsung Electronics since 29 June 2009.

  6. Flyback converter - Wikipedia

    en.wikipedia.org/wiki/Flyback_converter

    Fig. 1: Schematic of a flyback converter. The flyback converter is used in both AC/DC, and DC/DC conversion with galvanic isolation between the input and any outputs. The flyback converter is a buck-boost converter with the inductor split to form a transformer, so that the voltage ratios are multiplied with an additional advantage of isolation.

  7. Samsung Galaxy S series - Wikipedia

    en.wikipedia.org/wiki/Samsung_Galaxy_S_series

    The Galaxy S6 is the first mobile phone in the Galaxy S series with a nano-SIM card; earlier Galaxy phones use a micro-SIM card or "standard" card. [ 47 ] [ 48 ] The S6 Edge Plus, being released simultaneously with the Galaxy Note 5 , is not equipped with an infrared transmitter for use as a remote control .

  8. Samsung U750 Alias 2 - Wikipedia

    en.wikipedia.org/wiki/Samsung_U750_Alias_2

    The Samsung Alias 2 was the successor of the original Samsung SCH-U740, which did not feature the unique "magic" e-ink display. The keys were cramped up with all the functions of the e-ink display, which disappointed many users. The phone was available in the United States in March 2007 and in Canada in August 2007.

  9. Samsung SCH-U470 - Wikipedia

    en.wikipedia.org/wiki/Samsung_SCH-U470

    The Samsung SCH-u470, or Juke and Verizon Wireless Juke, is a mobile phone offered exclusively by Verizon Wireless. It was announced on 2 October 2007, and released that same year on Q4 in three colors: red, teal, and navy (blue). [1] The phone is a music player when closed, and can be swiveled for use of the mobile phone.

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