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Message signal m(t) = 0.6sin(27r3000t + pi/9) For a carrier signal with amplitude Ac = 4,fc = 40MHz. What is the signal bandwidth if we use AM with
ka = 0.7
DSB-SC FM
with kf = 5000 - HZ/V
What are the expressions for the transmitted signals in part a? Find the transmitted power for each signal in the part a
a)Determine I, VR, and Vc in phasor form. b)Calculate the total power factor, and indicate whether it is leading or lagging. c)Calculate the average power delivered to the circuit. d)Draw the impedance diagram e)draw the phasor diagram of the voltage..
What is the propagation constant at 500 MHz. Use the fact that the velocity of an EM wave in a lossless air-filled line is the same as that of free-space propagation in air. That is, the propagation constant is the same.
Two resistors are given: R1 = 470 ohms and R2 = 1.20 k ohms. (a) The two resistors are connected in series with a 48 V source. Calculate the series equivalent resistance. Sketch the schematic diagram of the circuit with the two resistors.
for the polynomal function P(x) = x^2 / 3 + x^2 - 8x + 1 find all relative extrema, the inflection point, the interval on which P is concave down
Two metal plates with an area of 4 cm2 and separation distance of 0.01 cm are used to form a capacitance transducer. If the material between the two plates has a dielectric constant of 2.5 and the dielectric constant of free space is 8.85 pF/m
Use a chain of flip-flop to implement a shifter register
A 3-D cubic unit cell contains four atoms whose centers are positional halfway up along each of the vertical cell edges and one atom each centered in the middle of the top and bottom faces. Make a sketch of the unit cell.
A phase modulation is used to transmit the signal s(t) = 10cos(20*pi*t) + 5sin(10*pi*t). kp = 3 rad/volts and fc = 20MHz a) What is the instantaneous frequency of the signal b) Write down the expression of the transmitted signal.
Describe the functionality of the above DFSM using transition tables. Consider that the system starts always from state B. What happens if the system will start from another state - say A?
Voltage in complex forms, An engine consumes 10kw of power and 4kvar reactive power at a current of (6+j4)Amps
If V = 12sin( 2 pi 1800 + 45). What would you read on a DMM Would this voltage be for an inductor or capacitor What would be the frequency and phase What does the 12 stand for Explain.
What is the equivalent input noise resistance of an amplifier known to produce 20 V of equivalent input noise over a bandwidth of 750 kHz
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