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DRAW THE BLOCK DIAGRAM OF A MULTILEVEL PCM SYSTEM,EXPLAIN THE FUNCTIONS OF EACH BLOCK
1. for the waveform shown below obtain expressions for fourier components for fundamental 5th 7th and 11th elements
Design a half-wave rectifier as a dc power supply that delivers 0.2A and 15V peak values to a load. The ripple voltage is to be no more than 0.4V peak to peak. The rectifier is led from the voltage line (120Vrms, 60Hz) through a transformer.
Recall that for discrete sequences the ts sample period (the time period between samples) is the reciprocal of the sample frequency fs. Write the equations, describing time-domain sequences for unity-amplitude cosine waves
1. Formulate the cost function in terms of autocorrelation values of the time sequence and filter weights 2. Derive Wiener-Hopf equations (in matrix form) 3. Determine the closed form solution for Wiener-Hopf equations (in matrix form)
A jar contains one blue balls, two red balls, and three green balls. Consider the following experiment We pick on ball randomly from the jar, record the color, and put it back. We then pick a ball randomly for one more time and record the color.
design a DSB-SC modulator to generate a modulated signal km(t)cosωct with the carrier frequency fc = 500kHz (ωc = 2π x 500,000). The following equipment is available in the stockroom: (i) a signal generator of frequency 100 kHz; (ii) a ring modula..
You are asked by your supervisor to witness factory tests to be performed on 15 single-phase transformers that your company plans to purchase. The 15 single-phase transformers will be used to make five three-phase banks.
question an uncharged nonconductive hollow sphere of radius16.0cm surrounds a17.0microc charge located at the origin of
For the PMOS, calculate the applied voltage and the electric field (at the Si-SiO2 interface) to make the silicon surface intrinsic. What is the depletion width in this case.
A flashlight bulb with a potential difference of 4.5 V across it has a resistance of 8.0 ohm. How much current is in the bulb filament?
The National Electrical Code specifies, among otherthings, values for the minimum allowable cross-sectional area ofconductors for a given voltage and allowable total length ofcircuits depending on the diameter of conductor used.
A ripple voltage of 0.4Vpp is required. Diodes are assumed to have 0.7V drop. Determine the 60Hz transformer secondary voltage and the size capacitor required. What would be the PIV for the diodes
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