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A signal source is represented by a Thevenin equivalent cricuit with a source resistance Rs = 20k is connected directly to a load resistance Rl = 2k. What is the power gain in dB?
Design a Phase lag controller that will have a phse margin of about 60 degrees (you will need to be within 5 degrees for your design) A. Where are the poles and zeros B. What is the approximate value of the gain crossover frequency of the plant with..
Consider a PCM-TDM system in which 24 signals are to be processed. Each signal has a baseband bandwidth of 3 KHz. The sampling rate has to be 33.3% higher than the theoretical minimum, and 8 bits are to be used.
Let X be a random variable uniformly distributed on [-2,2]. Define the random variable y=g(x), where g(x) { x+1 : x >= 0 { x-1 : x
a) Draw the circuit diagram of a bridge rectifier made from pn junction diodes that will function as a negative ectifier. Show the path of current flow for both positive and negative Vin. b) Plot the Vin-Vout transfer characteristic of the circuitd..
Design a regulated DC power supply. You will have for input a 110 V input source at a frequency of 60 Hz. The Zener diode to use is the 1N4733A (which is available in the lab). The output voltage is to be 5.1 V with a load resistance above 2.2K.
The resistance is .4 ohm for each transmission wire connecting the motor source. If the motor was operating at 100% pf and eff and the cost of electrical power was $.10/kWh, how much can be saved each year if the motor was wired to the 240.
Calculate the instantaneous power absorbed by the resistor, the instantaneous power absorbed by the capacitor, the real power absorbed by the resistor, the reactive power delivered by|the capacitor, the load power factor.
An assembly line can produce 90 units per hr. The line hrly cost is $4500 on stright line ( the first 8 hrs). Workers are guaranteed a minimum of 6 hrs. There is a 50% premiun for overtime (time and a half), how ever productivity drops by 5%.
A three-bit Johnson counter is clocked with pulses at a 120 MHz rate. What will be the pulse frequency of the output of the last flip-flop in the chain. Ten pulses are applied to a four-bit asynchronous counter. If the counter state was 0000 befor..
Determine whether the discrete signals below are periodic. If the signal is periodic, determine the number of samples per period. (a) x[n]=cos(πn) (b) x[n]= -3sin(.01πn) (c) x[n]= 1+cos((πn)/2)
What is the conclusion that can be made for linear,square-shapedcells and frequency reuse factors C=3 and C=4 interms of theirSIR(Signal-interference ratio).
A small ac motor, draws 100 VA from its 120-Vrms, 60 Hz ac source and consumes 50 W. Find the rms current the motor draws from the supply.
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