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Consider a 4-PAM system with Gray mapping. Evaluate the exact bit error probability. Hint: Consider the bit error probability for the first and second bit separately, and then average over the two bit error probabilities. To find the error probability for each bit, condition on the
transmitted symbols, and use the total probability law.
The output of the power supply should be a 5 Vdc with no more the 5 mV peak-peak ripple. 3) The output must be galvanically (transformer) isolated from the input, but NO 60 Hz transformers are to be used. 4) The load can be assumed purely resistiv..
A 3-phase 230 V, 9 kVA, 0.9 PF (lagging) load is supplied by 10 kVA, 1330/230 V, 60 Hz three-phase transformer connected in Y-?. The equivalent impedance of transformer referred to the low-voltage side is 0.12 + j0.25.
A half-wave rectifier circuit with a 1-k ohm load operates from a 120-V (rms) 60-Hz household supply through a 10-to-1 step-down transformer. It uses a silicon diode that can be modeled to have a 0.7-V drop for any current.
Design RD and the transistor width-to-length ratio such that ID = 12 mA for V1 = 5 V and VDS = 0.15 V and find the labeled node voltages.
A silver(Ag) electrode and a zinc(Zn) electrode are placed in the same electrolyte and connected to a voltmeter in a voltaic cell. The resistance of the volt bridge and electrolyte solution is 5k Ohm.
When all the heavy machinery is operational, the total electric current flowing into the factory is 5.7 amperes. The phase angle between the voltage and current waveforms is measured to be 4.0 radians. Find the real power dissipated by the factory..
Represent the source current and the branch currents
A 4KHz audio signal is transmitted by using a PCM system and the quantization level, L is 256. Find transmission bit rate.
Design a circuit to multiply a 2-bit unsigned magnitude binary number by 1, 2, 3, or 4 to produce a 4-bit output
Three single-phase transformers rated at 15kVA, 480V/120V,60Hz are connected in delta to function as autotransformers on a 600V,3-phase line. The H1,H2,X1,X2 polarity marks appear on the metal housing.
design the controller and estimator so that the closed-loop unit step response to a command input has a rise time tr
A 4 ohms resistance is in series with the parallel combination of a 20 ohms resistance and an unknown resistance R sub x. The equivalent resistance for the network is 8 ohms. Determine the value of R sub x.
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