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A 24 signal each of 5kHz base band bandwidth are FDM multiplexed using SSB sub carrier modulation. thecomposite multiplexed signal y(t) is frequency modulated using100MHz carrier frequency. the lowest frequencey of first channel ofthe multiplexed signal is20 kHz and no guard bands between thechannels, assume that each base band signal has th same normalizedpower. the channed with least noise has out put SNR of 50 dB.a) Find the output SNR of channels No. 10 and No. 24b) if the acceptable SNR is 35 dB how many channels in the system are usable
design an arithmetic incrementer/decrementer circuit. Your circuit will recieve a 3-bit binary number (A) as input to produce an output which is either A+1 or A-1 depending upon the command input (ID).
A byte containing 01100011 is right shifted (right-most bit first) into an 8-bit shift register with an initial state of 00110110 (01100011=>00110110) What does the shift register contain after three clock pulses
A student project is required to be portable and hand held. It requires 6 V DC power at a current of 150 mA. The batteries for the power supply must last for a minimum of 7 hours of continuous operation.
Design a timer system that has a push button, LCD and RTI. When you press the push button, the timer starts counting each second and displays the seconds' value on the LCD. When you press the timer, the system stops counting.
Using a shorted stub to match load, what is the lenght of the line where the normalized input Y is 1 + jb . If the characteristic impedance of the shorted line is 40 ohms, what is the length of the stub length.
design a combinational circuit that has four inputs (ABCD) and one output(Z). The output equals one when the Gray coded number represented by ABCD is less than five. Reduce the function using SOP or POS forms and then partially factor if possible.
A 120 V(rms), variable frequency source is connected in series witha 100 ohm resistor and a 100uF capacitor . Find the input power to the cirtcuit from the source at th frequency where the power factorof the load is 0.75
A charge density is uniformly distibuted over a linear section from 0
A diode is connected in series with a 30-V rms source to charge a 12-V battery with an internal resistance of 0.1 ohm. Specify the series resistance necessary to limit the peak current to 2A. Estimate the time required to recharge a 10-A hr batter..
Sketch magnitude and phase responses (as linear gain versus digital frequencies) for each filter (use [0,π]). Indicate filter type. Find cutoff frequencies if sampling frequency in 30 kHz. Use 6 points only. Do not use MATLAB.
A 100-KVA, 2500/125-V, 50-Hz, step-down transformer has the following parameters: RH= 1.5 ohm ,XH= 2.8 ohm , RL=15 m omh XL = 2.m ohm, ,RcH=3 k ohm, XmH = 5k ohm. The transformer delivers 85% of the rated load at a terminal voltage of 110V
The charge entering the positve terminal of an element is given by the expression q(t)=-12e^(-2t) mC. The power delivered to the element is p(t)=2.4e^(-3t) W. Compute the current in the element, the voltage across the element,
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