Journal of Neonatal Studies

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 However, unlike a resistor, a diode doesn't behave linearly with reference to the applied voltage because it has an exponential I-V relationship and thus can't be described just by using Ohm’s law as we do for resistors. Normally, diodes are  unidirectional semiconductor devices which will only allow current to flow through them in only one direction, acting more sort of a a method electrical valve. But, before we've a glance at how signal or power diodes work we first got to understand the semiconductors basic construction and concept. Diodes are made up of one piece of Semiconductor material which features a positive “P-region” at one end and a negative “N-region” at the opposite , and which features a resistivity value somewhere between that of a conductor and an insulator. But what's a “Semiconductor” material?, firstly let’s check out what makes something either a Conductor or an Insulator. Semiconductors have had a monumental impact on our society. You find semiconductors at the guts of microprocessor chips also as transistors. Anything that's computerized or uses radio waves depends upon semiconductors. Semiconductor chips and transistors are created with silicon. You may have heard expressions like "Silicon Valley" and therefore the "silicon economy," and that is why -- silicon is that the heart of any device . A semiconductor unit can perform the function of a tube having many times its volume. A single microcircuit (IC), like a microprocessor chip, can do the work of a group of vacuum tubes that might fill an outsized building and need its own electric generating plant.

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