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Consider the 2x2 3-db coupler and suppose we connect the two outputs with a piece of fiber. Assume that the polarization are preserved through the device?
You've just been hired as a process engineer at a major silicon chip manufacturer and your boss gives you a first task. You are to research the best option for measuring, monitoring and maintaini
In a binary communication system, a binary 0 is transmitted using an electrical pulse of magnitude +2.5V and a binary 1 is transmitted as a pulse of magnitude 0V. the additive noise in the channe
An electrical machine whose power consumption is 2.0kW requires the use of a 250meter extension cord. Determine the AWG size of the extension cord needed to supply electricity from a 120 volt s
Assume an NMOS transistor is operating in the Saturation region and that it was observed that the drain current increases by 25uA when the drain voltage is increased by 250 mV. Explain why?The Th
A piece of P-type silicon is connected to ground on its right side. On its left side there is a metal electrode which is separated from the silicon by a thin layer of air. The potential of the l
Discuss some of the advantages of PLCs over relay logic circuits. How do we decide to use either a PLC or a relay logic circuit for a given control process?
A remote door lock is operated by an electrical relay that requires 10 mA. The relay can be opened by either switch A or B or both. The information from the switches is combined in a logic circui
Design a decade counter (negative edge-triggered counter) using flip flop circuit that can be used to perform binary counting. Show the timing diagram for the input and four outputs of the decad
Design an autonomous vehicle that can enter a room through a doorway, map the contents of the room in all three dimensions, transmit this information to a second identical robot just outside the room,
Given the starting address for the TC0 Interrupt is to become $5000. Write the assembly instruction necessary to place this ISR address into the interrupt vector table and then unmask the interr
In a long cilindric wire with a radius of 2 cm, a corrent with 80A goes thorugh it. What is the magnetic energy per unit of wire lenght?
The purpose of this question is to compare the cost of a regular international phone call (Mobile telephony network) and the same call but made using VoIP software installed on this phone using C
Design an active loaded CS amplifier to obtain a voltage gain of 30V/V. The output load is a 10fF capacitor. Use o.25u CMOS technology. Calculate it's high frequency 3Db value, fH, given that Cgs
A modulation constellation is given by S = {c(k + jl) | k = 3, 1, 1, 3 and l = 3, 1, 1, 3 and j = square root of -1, where c is a constant. Determine the value of c to ensure a unit energy conste
For the following aspects of an embedded application, provide a data and control flow diagram. (a) Reading/writing from/to a USB port and a general parallel port (b) Accessing and reading a mouse
Solve problem 15.3 of book Fundamentals of Power Electronics - Robert W. Erickson.Flyback/SEPIC transformer design. The "transformer" of the flyback and SEPIC converters is an energy storage device
Apple A5 die size is 122mm^2 when fabricated in 45nm technology. Assume they purchase 300mm wafers at a foundry for $ 2.5K /wafer. Assume a yield of 70%. What is Apple's approximate die c
Suppose the maximum fade duration over a radio channel is 0.001 ms. Assume that all the bits are in error when a signal encounters a fade. What is the maximum number of consecutive bits that are
Design a circuit that will produce a damped sinusoidal pulse with a peak voltage of 5 v and at laest three additional peaks with voltage magnitude greater than 1 v verify your design using pspice
What approximate minimum BER is required for voice signals, data signals and what is the approximate BER level for the optical fiber systems ?
The circuit in figure 28.49 has been connected for several seconds, find current in (a). in the 4.00 volts battery, (b). in the 3.00 ohm resistor, (c). in the 8.00 volts battery, (d). in the 3.0
The OC and SC test on a 500 kVA, 69 kV/4.16 kV, 60 Hz transformer, gave the following data. OC Test with the meters in the LV side: 4.16 kV, 2A, 5 kW. SC Test with the meters in the HV side): 2.6 k