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A circular capacitor of radius r is made using SiO2 as the dielectric on a silicon wafer. If a trench of depth l is made to replace the circular capacitor with the trench capacitor with trench depth l, find the ratio of the two capacitances. (Assume the thickness of SiO2 is small enough to neglect its effect on the dimensions of the trench capacitor.) If the radius r = 2micromemters and the trench depth is 10micrometers, find the capacitance ratio.
A semiconductor company has the following costs associated with Product X: - Fixed cost of $1B ($1,000,000,000) - Die cost of $6 at a die yield of 50% - Testing and packaging cost of $3 per die - A final test yield of 90% with a product volume of 500..
Eble Company proposes to invest $6 million in a new type of text printing equipment. The fixed costs are $1 million per year. The equipment is expected to last for 5 years. The manufacturing costs per hammer is $1. Calculate the break-even volume ..
A N-turn resonant circular loop with a uniform current distribution and with a circumference of f/4 , is fed by a lossless balanced twin-lead transmission line with a characteristic impedance of 300 ohms. Neglecting proximity effects
Compute the energy of the following signals: 1) x(t) = e^-(a|t|) for a > 0 (Notice the absolute value on t) 2) x(t) = (1 - |t|)rect(t/2) (Notice the absolute value on the first t)
if a circuit contains 3 automatic switches and we want that, with a probability of 95%, during a given time interval they are all working, what probability of failure per time interval can we admit for a single switch
Implement switching function of 4 variables H(A,B,C,D)= AB'+BC+A'CD using a 4 to 1 Multiplexer and any number of 2 to 1 multiplexer. One can select any 2 variables (for example, AB or CD) as select inputs of one 4 to 1 multiplexer.
An industrial isolation transformer has a power rating of 1.0 kVA at 240 VAC. Identify the nominal turns ratio (nsec/ npri). Calculate the rated current of the secondary winding.
Use the table on slide 11 of this lecture and determine the line parameters L and C of the transmission line. Consider that the TL is lossless and µ = µ0 for polystyrene. Then find the characteristic impedance of the line Z0, phase velocity
The purchaser of the motors is guaranteed the option of returning the defectives for repair. If the repair cost is given by 3Y^2 + Y + 2, find the expected repair cost the warehouse owner must be prepared to pay.
A WLAN uses the 1-Mbps IEEE 802.11 infrared standard and the 16-PPM modulation scheme. Compute the period of transmission (time between bits).
Convert the following to hexadecimal 1600 sub script 10 2. compute the sum of the following pairs of signed 6-bits binary numbers. In parallel, show the operands and the answer in decimal. Indicate if or if not an overflow occurs.
Assume that when you measure a power supply voltage through a series of 1 Mega Ohms the voltage drops by half compared to the direct measurement. What is the input resistance of the meter
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