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Question:
a). Draw the energy diagram of a pn junction: (i) at thermal equilibrium,
(ii) when a forward bias with magnitude half the built in potential (V = φk/2) is applied and
(iii) when a reverse bias of magnitude ten times the built in potential (V = -3φk) is applied.
b). With the aid of diagrams, describe how a space charge region is formed in a pn junction and how its width varies with an external bias.
c). An abrupt silicon (ni = 1010 cm-3) pn junction consists of a p-type region containing 1017 cm-3 acceptors along with 1016 cm-3 donors and an n-type region containing 5 x 1016 cm-3 donors along with 1015 cm-3 acceptors. Calculate the total width of the depletion region if the applied voltage, V, equals 0, 0.5 and -2.5 V. Assume Vt = 25meV.
a. Write the advantages of choosing a single purpose processor over a general purpose processor. b. List out the hardware units that must be there in the embedded systems. c.
Derive the transfer function of ward Leonard System
i have an assignment. please help me.
induction motor drives
You have been hired by Serge Brink and Larry Park to assist them in the evaluation of a recently issued term sheet from Global VC Partners. The new venture is an Internet startu
Effective Mass The electrons' "wave-particle" motion in a lattice is not the same as that for a free electron, because of the interaction with the periodic potential of the
We can use Ampere's Law to calculate the magnetic field in the core.
1. Explain the construction and working of Calomel electrode 2. Derive an expression for the electrode potential of a glass electrode. 3. What are ion selective electrodes
Consider the point-to-point radio link introduced in problem 9. By how much must transmit power be increased to maintain the maximum BER of 10-5 if the channel is flat Rayleigh-fad
what is 2 bit counter?
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