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Consider the signal: x(t)=4 sin?(2π80t)+2 sin?(2π130t)+2sin?(2π280)t Sketch the magnitude spectrum of x(t) showing proper values for the amplitudes. If that signal is sampled at 600 samples per second, write the expression x(n) of the sampled signals. Sketch the spectrum of the sampled signal up to 1200 Hz. If the sampled signal of part b) is filtered by a low pass filter with a 300 Hz cut-off frequency, sketch the magnitude spectrum of the filtered signal If that signal is sampled at 400 samples per second, write the new expression x(n) of the sampled signals. Sketch the spectrum of the sampled signal of part e) up to 1000 Hz. If the sampled signal of part e) is filtered by low pass filter with a 300 Hz cut-off frequency, sketch the magnitude spectrum of the filtered signal
Store the arrival times in memory locations starting from $1000.(Do this is in C. Store the results in an array and don't worry about the speci c location of the results.)
A BJT is operating at a collector current of 1mA ,when Vce=1v and it has early voltage of 75v.If Vce is increased to 11v,find collector current
Determine the magnitude, radial frequency, frequency, period, and phase for the following waveforms: (a) i1(t)=10cos(40t+170)A (b) v2(t)=34sin(380t+40)V
A three-phase generator is Y-connected. It has phase voltages of 277 V. A delta-connected load is attached to the lines coming from the generator. Each phase of the load has an impedance of 9/41
The shaft output of a three-phase, 60 Hz induction motor is 100 HP. The friction and windage losses are 900 W, the stator core loss is 4200 W, and the stator copper loss is 2700 W. If the slip is 3.75%, what is the effïciency of the motor
If the speed of the crate at A is 15 ft/s which is increasing at a rate v=3 ft/s^2, determine the magnitude of the acceleration of the crate at this instant. [crate is on an incline sliding back toward the orgin at a distance of 10ft
Assume you have a 3-bit pre-packaged counter. You cannot modify thecounter except for hooking logic to the inputs and outputs. Thecircuit has synchronous load and synchronous reset control inputs.The loadable inputs are a2, a1, and a0 (with a2 as ..
A submarine uses a λ/2 -dipole antenna for RFcommunications with the Naval Command Control and OceanSurveillance Center that also equipped with a λ/2-dipole. Operating frequency is 30 MHz. Find the length of both antennas.
Design a 4-bit binary incrementer using HALF-ADDERS as building blocks. The circuits implements A+1=S where A and S are 4-bit binary numbrers. The circuit has 4 inputs A3A2A1A0 and 5 outputs : S3S2S1S0 and overflow C4. Draw the circuit diagram wit..
A 50 V DC power supply is connected to a 100 Ohm load resistor. The tested current flowing through the resistor is 0.49 A. find the internal resistance of the DC power suppy.
Use 163 counter components and only NAND gates (with any number ofinputs) and inverters to implement a BCD counter. Show how you would construct a BCD digit counter. Show how to build a two BCD digit counter.
A potentiometer is wired is wired to represent a rotational range of 0-180 degree. The potentiometer is supplied with a voltage of 15 VDC. What is the output voltage at 75 degree
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