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Suppose a bunch of 10-kohm resistors are available in the lab. A powered bread board with DC voltagepower supplies of +15 V and -15 V is available, along with aground post (0 V). Several type 741 op-amps, some switching diodes,and +5 V and -5 V power supplies are also available. Draw acircuit diagram showing how an inverting amplifier with a gain of -1.5 can be constructed with these components only. Use the standard triangle symbol for the op-amp(s), and label the inputsVn and Vp.
A balanced three-phase inductive load is supplied in steady state by a balanced three-phase voltage source with a phase voltage of 120 V rms. The load draws a total of 10 kW at a power factor of 0.85. Calculate the rms value of the phase currents
Wires manufactured for use in a computer system are specified to hve resistances between .12 and .14 ohms. The actual measured resistances of the wires produced by company A have a normal probability distribution with mean .11 ohm
2 single-phase AC motors connected in parallel are fed from a220 volt source. The motors have the following ratings: Motor #1: 220V, POUT = 50 hp, Efficiency = 82%, PF =0.82 lagging Motor #2: 220V, POUT = 75 hp, Efficiency = 86%, PF =0.85 lagging
1. Compute the probability of having the sum of 10 by throwing (a) two dice, (b) three dice. 2. What is the probability of three of a kind for a poker hand with (a) a card deck of 52 cards, (b) a card deck of 32 cards
Determine the transfer function of the second-order (2 poles) lowpass Butterworth filter with a 3-dB cutoff frequency of 5 kHz. Design it using the Sallen-Key lowpass filter configuration,
Design a one-op-ampactive band pass filter that has a midband (at 5 KHz) inputimpedance of approximately 10K, a midband gain of approximately 1and a frequency response from 1 to 10KHz(corner frequencies).Verify by computing the circuit frequency r..
the arrival rat of cars at a toll plaza is 50 cars per hours. There are three boothes serving an a verage of 20 cars per hour. Assume an exponential for service time and a poisson distribution for arrival time.
Let A be a Mealy machine. Which of the following transformations, if any, yield a Moore machine? Explain. 1) Adding a D flip-flop to each output (the outputs of the new flip-flops will be the new outputs of the machine).
How is the effect of frequency-selective fading on basic OFDM signaling and what techniques can one use in OFDM to overcome fading?
Please list the properties of Discrete Fourier Transform. Explain each property with an example to show what it means physically and explain the physical meaning of Z Transform
A spacecraft uses two ground-based computers and one on-board computer to control the thrusters used to make course corrections. There is also a manual override control that will switch control of the thrusters directly to the onboard computer in ..
a. Find the mean number of heads in three coin tosses. The coin is biased towards getting tail where the probability to get a tail is 0.8. b. If the number of tosses is 100, what is the mean number of heads
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