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Consider the T and π resistive attenuator circuits shown below. If the input and output are matched to Z0, and the ratio of output voltage to input voltage is α, derive the design equations for R1 and R2 for each circuit. If Z0 = 50 Ω, compute R1 and R2 for 3, 10, and 20 dB attenuators of each type.
A circuit connected in series contains a voltage source of 20 V, a 5 ohm resistor, and a variable resistor, R.
Sketch the temperature distribution for case 1 on T - x coordinates. Describe the key features of this distribution. Identify the location of the maximum temperature in the wall and calculate this temperature.
Write about summing type and difference amplifiers?
How to solve for equations for A and phi potentials using coulomb and lorentz guage And then also how to show that the electromagnetic fields obtained by using both these gauges is the same
Consider a cellular phone transmits data using QPSK with achannel rate of 50 Kbps, (a) what is the data rate provided (b)What is the difference between PSK and QPSK.
Determine the max rms voltage that can be applied to the high side of the transformer without exceeding the rated_flux_density in the core if transformer is supplied by frequency of 50 Hz.
The voltage across a 0.2 H coil is given. What is the sinusoidal expression for the current?
The unit impulse response of the system - Find the first three terms of the causal signal - calculate the electric field E from Gauss law and then obtain the potential at the center of the charge distribution
build a cicuit that must be able to operate a 3 amp load of the LED while being able to operate at voltages around 3V or 6V. It must be able to keep the LED on constantly while also being able to pulse the LED.
A differential amplifier has a differential gain of 500 and negligible common-mode gain. The input terminals are tied to ground through 1-kΩ resistors having tolerances of ±5 percent. What are the extreme values of the output voltage caused by a ..
Assume we have an N-bus power system and we know the N x N zero-sequence, positive-sequence, and negative sequence matrices for the system. Write a MATLAB program to find the system bus voltages during a (a) 3-phase balanced short circuit fault at..
Plot the signal x(n) 0
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