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Consider the continuous-time signal
x(t) =e ^(-j3w0t)* cos(w0t)
and the LTI system with unit impulse response
h(t) = sing((5/2)w0t)/t
where w0 is a positive real value. Let y(t) he the signal at the output of the LTI system when x(t) is the input signal. The following signals are sampled using a train of impulses with periodicity T, signal x(t) is sampled to obtain xc(t), and signal y(t) is sampled to obtain yc(t).
Determine the range of values for T that allows complete recovery of x(t) from xc(t) [pt. 10].
Determine the range of values for T that allows complete recovery of y(t) from yc(t) [pt. 10].
Determine the range of values of K such that the system is stable for s(s²+4s+10)+ k (s+5)=0
An otherwise-ideal op amp, known to have an open loop gain of 10^4 V/V , is measured in a circuit to have an output voltage of -3 V. While it would be difficult to measure, what would you expect the voltage from the negative terminal
Design a low pass active filter such that its roll off attenuates frequency components a 10kHz or more by more than 30 db. This means that the magnitude of the transfer function (in db) at frequency 10kHz should be -30db or less
A shunt regulator utilizing a zener diode is biased on through a 100 resistor. Determine the change in the regulated output voltage for the two situations below: a) VI changes +2.0 V, ILoad constant b) ILoad changes +100 mA, VI constan..
Assume that you have two DC voltage sources of 1.5 volts each (like two AA batteries). The positive terminals are wired together (joined together) and the negative terminals are labeled A and B respectively.
An optical lithographic system has an exposure power of 0.3 mW/cm2. The required exposure energy for a positive photoresist is 140 mJ/cm2 and for a negative photoresist is 9 mJ/cm2. Assuming negligible times for loading and unloading wafers
A production plant has a requirement for a counter that will count 4,000 times before recycling and starting over. How many flip flpos are required?
what is the magnitude and direction of the current flowing through the cross section?
A 150 MVA, 24 kV, 125% three-phase synchronous generator supplies a large network. The network voltage is 27 kV. The generator operates with an induced voltage, which is twice the rated line-to-neutral voltage.
A 10 kwatt, 480V , single phase 60Hz, 24 pole motor has an stator winding resistance of 0.1 ohm from line-to-neutral. The rotor is not a permanent magnet but a separately powered electromagnet (field wind-ings) that takes .5 A at 120 V.
How are errors handled by the different windowing systems What different types of errors can occur and how do these windowing systems handle these different types of errors.
Measurements on sodium have provided the following data: resistivity 4.7 ×10-8ohm m, Hall coefficient -2.5 × 10-10m3C-1, critical wavelength of transparency 210 nm, and density 971 kg m-3. Calculate (i) the density of electrons, (ii) the mobility, ..
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