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discussion
Access this week's Electronic Reserve Readings and select a peer reviewed article on security protocols.
Write a 200- to 300-word response to the following question:
For a particular IC-fabrication process, the transconductance parameter k'n = 50 µA/V2, and Vt = 1 V. In an application in which vGS = vDS =Vsupply = 7 V, a drain current of 0.8 mA is required of a device of minimum length of 2 µm.
Charge +Q is distributed evenly throughout a 1m length of the innerconductor, and a charge -Q is evenly distributed throughout a 1mlength of the outer conductor, find equations for the electric fluxdensity for all p.
Contrast the electron and hole drift velocities through a 10 um (micro meter) layer of intrinsic silicon across which a voltage of 5V is imposed. Let up = 480cm2/Vs and un=1350cm2/Vs.
What are the most common insulators used for extremely high voltages. Explain your answer with, at least, two points foreach insulator. Hint. they can withstand much highertemperatures than rubber insulation.
The highest frequency contained in a certain analog signal is 4 kHz. Determine the sampling rate if it is chosen to be 50% greater than the theoretical minimum.
On a breadboards, hook up an IR LED to provide an infrared light source for signaling the phototransistor as shown in Figure 2 below. Use a pushbutton switch to turn the IR LED on and off.
Design a filter with lower frequency cut-off: 10Hz, upper frequency cut-off: 2KHz, gain of 5, and an input resistance greater than 5kOhms.
Design an RC low-pass filter with a cutoff frequency at 2kHz, using a capacitor of \(0.1\mu F\) A. Show a circuit diagram and your calculations in obtaining R B. Make as sketch of the absolute value of the input impedence
a dc series with an unsaturated field and negligible resistance, when running at a cirtain speed on a given load takes 50A at 460V. If the load -torque variase as the cube of the speed. Calculate the resistance required to reduce the speed 25%.
a) Implement the function F using a minimum number of NAND gates; no additional gates may be used, but you can assume that all variables and their complements are available. e) Implement the function F using only a 3-to-8 decoder
The sampling frequency in a DSP system is fs=8 kHz. Anti-aliasing filter used in the system is the second-order Butterworth filter with cutoff frequency of fc=3.4 kHz. What is the percentage of aliasing level at the frequency f=2.5 kHz
A circular ring of charge of radius a lies in the x-y plane and iscentered at the origin. If the ring is in air and carries a uniform density ρl show that the electric potential at(0,0,z) is given by V = ρl a / [2ε0(a2+z2)1/2 ]
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