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ON a three-state bus, ten FCT three-state buffers are driving ten FCT inputs and a 4.7kΩ pull-up resistor to 5V. Assuming that no other devices are driving the bus, estimate how long the bus signal remains at a valid logic level when an active output enters the Hi-Z state.
A power amplifier has a gain of 15db and an input level of 2 volts. Assumming that the input and output impedance are the same. What is the voltage level at the amplifier output.
Calculate the length and the distance coved by the lightening arrestor to be installed above 20 feet height industrial building.
Design a circuit that will indicate the birth months of February, April and May. The month is specified by a 4-bit input, A3:0. For example, if the input bits are 0001, the month is January and if the inputs are 1100, the month is December.
In a four-branch parallelcircuit, there are 10 mA of current in each branch. If one of thebranches opens, what is the current in each of the other three branches
Pure ethylene (C2H4) and oxygen are fed to a process for the manufacture of ethylene oxide (C2H4O) C2H4 + ½ O2? C2H4O The process flow diagram is shown below. The catalytic reactor operates at 300 °C and 1.2 atm. Under these conditions
A collector modulated transmitter has a supply voltage of 48 V and an average collector current of 600 mA. What is the input power to the transmitter. How much modulating signal power is needed to produce 100 percent modulation.
A 240V, short shunt, cumulative compound generator is rated at 100A. The shunt field current is 3A. It has an armature resistance of 50 milli-ohm, a series field resistance of 10 milli-ohm a field diverter resistance of 50 milli-ohm and a rotation..
A 3uF capacitor is charged to 100 V. If it is the connected in parallel with a 10 uF capacitor, what voltage will be across the capacitors
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
A semicircular current elment of radius b is positioned in the x-y plane and has its center at the origin. A second long current element is placed along the coordinate y= -b. If current magnitude I flows through each element in clockwise direction..
Using the symbols we've learned in class (standard symbols used universally), draw a schematic showing the circuit of a 12-V car battery (represented as a voltage source connected to a light bulb (represented as a resistor).
Suppose we transmitted 5 cos wct for logic one and 15 cos wct for logic zero. Find the maximum signal energy. Design a demodulator and show the detection criterion for the output of the demodulator. Finally, find the bit error-rate.
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