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2. List of MOSFET applications - Wikipedia

   en.wikipedia.org/wiki/List_of_MOSFET_applications

   MOSFET, showing gate (G), body (B), source (S), and drain (D) terminals. The gate is separated from the body by an insulating layer (pink).. The MOSFET (metal–oxide–semiconductor field-effect transistor) is a type of insulated-gate field-effect transistor (IGFET) that is fabricated by the controlled oxidation of a semiconductor, typically silicon.

3. Qi (standard) - Wikipedia

   en.wikipedia.org/wiki/Qi_(standard)

   The standard allows compatible devices, such as smartphones, to charge their batteries when placed on a Qi charging pad, which can be effective over distances up to 4 cm (1.6 in). [2] The Qi standard is developed by the Wireless Power Consortium. [1] As a universal, open standard Qi-enabled devices are able to connect to Qi chargers from any ...

4. S band - Wikipedia

   en.wikipedia.org/wiki/S_band

   WiFi. The largest use of this band is by WiFi networks; the IEEE 802.11b and 802.11g standards use the 2.4 GHz section of the S band. These are the most widely used computer networks in the world, used globally in home and small office networks to link desktop and laptop computers, tablet computers, smartphones, smart TVs, printers, and smart speakers together and to a wireless router to ...

5. Waveguide - Wikipedia

   en.wikipedia.org/wiki/Waveguide

   Electric field Ex component of the TE31 mode inside an x-band hollow metal waveguide. A waveguide is a structure that guides waves by restricting the transmission of energy to one direction. Common types of waveguides include acoustic waveguides which direct sound, optical waveguides which direct light, and radio-frequency waveguides which ...

6. Microphone - Wikipedia

   en.wikipedia.org/wiki/Microphone

   Systems for extracting voice input from ambient noise (notably telephones, speech recognition systems, hearing aids) Surround sound and related technologies. Locating objects by sound: acoustic source localization (e.g. military use to locate the source (s) of artillery fire). Aircraft location and tracking.

7. LoRa - Wikipedia

   en.wikipedia.org/wiki/LoRa

   LoRa's high range is characterized by high wireless link budgets of around 155 dB to 170 dB. Range extenders for LoRa are called LoRaX. LoRaWAN. Since LoRa defines the lower, physical, layer, the upper networking layers were lacking. LoRaWAN is a protocol that was developed to define the upper layers of the network.