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What is another name for depletion mode transistor?
depletion layer depletion zone juntion region space charge region bipolar transistor field effect transistor variable capacitance diode
How does the depletion region in field effect transistor increases when forward biased?
Because the bulk charge and surface charge interacting with electric field (forward bias) creates the depletion region.
Why do depletion regions not touch at pinch off?
Not sure! Checking!
What separates the three regions in a BJT?
Two junctions namely emitter-base junction and collector-base junction separates regions in a transistor.
Why biasing a transistor?
We bias transistors in order to determine the modes of operation ( that is whether the transistor is operating in the active cut off or the saturation regions).
What is basic construction of JFET?
A Jfet stands for junction field effect transistor. It is a transistor also known for being the simpleist field effect transistor. The basic construction contains has three parts the P-type input the n-type input and a depletion layer.
How many doped regions in a Bipolar transistor?
3: emitter, base, collectorThere are three regions but to be absolutely picky I think only two of them need be doped.Nope: they MUST be doped NPN or PNP. If any are undoped it will not function as a transistor.
Why did ozone layer depletion occur in Antarctica?
It is because ozone depletion takes place in cold regions. Antarctica is the one place where ozone hole has been noticed.
What is the equivalent of transistor number w15nk90z?
W15nk90z
Depletion of ozone layer and formation of ozone hole in polar regions is a phenomenon occurring in the?
Troposphere
What does depletion?
reduction in the number or quantity of something.
Advantages and disadvantages of depletion MOSFET?
Since the logic operations of depletion MOSFET is the opposite to the enhancement MOSFET, the depletion MOSFET produces positive logic circuits, such as, buffer, AND, and OR. The most significant advantage of the positive logic circuits is that it can produce positive feedback easily so that a single depletion MOSFET can become a memory cell. In contrast, you will need at least two enhancement MOSFET transistor to produce the positive feedback to build a memory cell. The other advantages of depletion MOSFET are that it is free from sub-threshold leakage current and gate-oxide leakage current. Since there is always a potential difference of Vdd between the gate terminal and channel for an enhancement MOSFET to cause the gate-oxide leakage current, the gate oxide leakage current is unavoidable when the transistor shrinks in size and oxide layer becomes thinner. The depletion MOSFET does not have this problem because there is no potential difference between the gate and channel. As a enhancement MOSFET shrinking in size, there is no way to stop the subthreshold leakage current diffused across from source to drain because the drain and source terminals are closer physically. This is not a problem for depletion MOSFET because a pinched channel will stop the diffusion current completely. The depletion MOSFET is the ideal, perfect transistor. The only disadvantage of depletion MOSFET is its inability to produce negative logic operations.
