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Find the transfer function and a single first-order differential equation relating the output y(t) to the input u(t) for a system described by the first-order linear state and output equations:
dx/dt = ax(t) + bu(t) (i)
y(t) = cx(t) + du(t) (ii)
Select an appropriate QAM signal constellation, carrier frequency, and the roll-off factor of a pulse with a raised cosine spectrum that utilizes the entire frequency band. Sketch the system block diagram and the spectrum of the transmitted signal..
IS-95 operates over a bandwidth of 1.25 MHz. The delay spread is 1 µs, the coherence time is 50 ms, the delay constraint (on voice) is 100 ms. The SINR each user sees is -17 dB per chip. Estimate the 1%-outage capacity for each user. How far is th..
How do we compute the complex power delivered to a circuit component? How are average power and reactive power related to complex power?
Is the equivalent resistance, Req, of a series circuit greater than or less than any individual resistor?
In lab, the instructor told us to build an inverter connected to a capacitor on the output and then view the results on the oscilloscope. What is the purpose of doing this even a t different frequencies
An op amp differential amplifier is built using four identical resistors, each havign a tolerance of ±5%. Calculate the worse possible CMRR.
A reactor is fueled with 4 kg uranium enriched to 20 atom-percent in 235 U. The remainder of the fuel is 238 U. The fuel has a mass density of 19.2 g/cm3. What is the mass of 235U in the reactor?
The transfer function contain two complex conjogate
a) Design an op amp circuit that will create an output voltage y(t) that is the solution to the differential equation y''(t) = 25 y, subject to the two initial conditions y(0) = 0.2 and dy(0)/dt = 0. You will need to use integrating op amps for t..
For the grounded gate p-pullup pseudo NMOS circuit shown below assume the load capacitor, CL, is initially discharged, and that the input voltage abruptly drops from Vdd to zero. Derive the equation for the output voltage charging behavior.
From what I've researched about the 741 operational amplifier, the output load resistance should be greater than 2 kohms so the output voltage can swing within 2 volts of the supply voltage. Is there a limit as to how high the output resistance sh..
Three 230 -V rms generators are connected in a delta to form athree phase source. a balanced WYE connected load has phase impedance of 12+7j Ohm. Find the rms values of the following: a) the phase voltage of the source
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