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  2. Step recovery diode - Wikipedia

    en.wikipedia.org/wiki/Step_recovery_diode

    In electronics, a step recovery diode (SRD, snap-off diode or charge-storage diode or memory varactor [a]) is a semiconductor junction diode with the ability to generate extremely short pulses. It has a variety of uses in microwave (MHz to GHz range) electronics as pulse generator or parametric amplifier .

  3. Ridley–Watkins–Hilsum theory - Wikipedia

    en.wikipedia.org/wiki/Ridley–Watkins–Hilsum...

    It is the theory behind the operation of the Gunn diode as well as several other microwave semiconductor devices, which are used practically in electronic oscillators to produce microwave power. It is named for British physicists Brian Ridley , [ 2 ] Tom Watkins and Cyril Hilsum who wrote theoretical papers on the effect in 1961.

  4. Samsung Electronics - Wikipedia

    en.wikipedia.org/wiki/Samsung_Electronics

    Samsung is also a major vendor of washing machines, refrigerators, computer monitors and soundbars. [12] Samsung Electronics is a major manufacturer of electronic components such as lithium-ion batteries, semiconductors, image sensors, camera modules, and displays for clients such as Apple, Sony, HTC, and Nokia.

  5. List of emerging technologies - Wikipedia

    en.wikipedia.org/wiki/List_of_emerging_technologies

    Research, development, prototypes, limited commercialization (e.g. Samsung Galaxy Fold) Flexible and/or foldable electronic devices, and flexible solar cells which are lightweight, can be rolled up for launch, and are easily deployable Nokia Morph, Flexible organic light-emitting diode

  6. Cavity magnetron - Wikipedia

    en.wikipedia.org/wiki/Cavity_magnetron

    The modern magnetron is a fairly efficient device. In a microwave oven, for instance, a 1.1-kilowatt input will generally create about 700 watts of microwave power, an efficiency of around 65%. (The high-voltage and the properties of the cathode determine the power of a magnetron.)

  7. Diode - Wikipedia

    en.wikipedia.org/wiki/Diode

    Various semiconductor diodes. Left: A four-diode bridge rectifier.Next to it is a 1N4148 signal diode.On the far right is a Zener diode.In most diodes, a white or black painted band identifies the cathode into which electrons will flow when the diode is conducting.