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The following parameters of an ideal metal-semiconductor contact are known: 5eV for metal work function, 4.05eV for semiconductor electroaffinity, effective density of states for conduction band is 1019cm3, n-type doping density is 1015cm3, semiconductor dielectric constant is 11.8.(a) draw its energy band diagram with proper labeling.(b) calculate the built-in potential and barrier height if it is a Schottky barrier or if it is not rectifying explain why.(c) calculate the depletion width and the corresponding capacitance at zero bias.(d) describe a general method step-by-step that can be used to determine the built-in potential and Schottky barrier height of a Schottky barrier diode
a high power FM station of frequency 96.9 MHz has an antenna height of 1200 feet. If the signal is to be recieved 60 miles from the station, how high does the listener need to mount their anntena in this fringe area
1- find the inverse Laplace transforms of the following functions: A- f1(s)= 50(s+10)/((s+5)(s+20)) b- f2(s)= (2s^2)((s+200)(s+500)) 2- find the inverse Laplace transforms of the following functions and sketch their waveforms for β >0 : a- f1(s)= (β(..
A load Z draws 12 kVA at a power factor of 0.856 lagging from a 120-V rms sinusoidal source. Calculate (a) the average and reactive powers delivered to the load, (b) the peak current, and (c) the load impedance.
A balacnced, three-phase, delta-connected load is supplied by a balanced, three-phase, wye-connected source over a balanced three-phase line. the source voltages are in abc phase sequence in which Van is 19.94
If a standard telephone quality analog-to-digital converter has an input range of 4 Vpp and an output data rate of 128 kbps, then what is the voltage range for each quantization level
A sensitive IC (integrated circuit) on a circuit board is located 1m from a long power line carrying 10A. The power line generates a magnetic field. You can place a trace on a circuit board with current running parallel to the power line to cancel..
A first order highpass filter is required to satisfy the following specifaction fs=10000Hz fc=4000Hz Find the transfer function and difference equation by the pole-zero placement method.
Consider the router diagram in Figure 3. Consider that the packets shown are uniformly 500kB in size and that they are all stored in the input buffers of ports W, X and Y. These packets marked with the output buffer they are destined for.
Calculate The Average voltage generated in 6 turn full pitch coil of a 25 cycle alternator if the flux per pole is 7.2 x 10^5 maxwells. What is the effective voltage if the waveform is sinusoidal.
Why is pulse shaping filtering indispensable in wireless communications applications. Give three reasons why pulse shaping filters are used and in what points of the communications link they may be deployed.
The program is to input the number character-by-character and then assemble them together so that the original number is put into a floating point variable and displayed back to the monitor.
Assume the widths of the two sides of the junction are much greater than the respective minority-carrier diffusion length. Calculate the applied voltage at a forward current of 1 mA at 300K.
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