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For radio channels the constellation size is often 4, for moderate signal to noise ratios. for such a constellation size in a 5 MHz channel using QAMP with no intersymbol interferance, what is highest bit rate ?
Water is flowing at 3 m/s in a horizontal pipe under a pressure of 200 kPa. The pipe narrows to half its original diameter. (a) What is the speed of flow in the narrow section?
Describe, with the aid of diagrams, the electric drive system of your practical or researched system - discuss in detail each of the following elements of electric motor drive systems,
Any causal signal x(t) having a Laplace transform with poles in the open-left s-plane (i.e., not including the jΩ axis) has, as we saw before, a region of convergence that includes the jΩ axis, and as such its Fourier transform can be found from i..
consider a one dimensional crystal with a total of six atoms each with mass m seperated by a lattice constant of 0.5
Suppose we want to construct an amplifier with a closed-loop gain of 50. We want the gain to vary by no more than +/- 5% while the open-loop gain varies by +/- 50%. Determine the values for a and b that will satisfy these constraints.
Find the operating point ofeach diode to at least four significant figures using the iterativemethod and the value Vt = 25mV. This problem is more difficult thanthose presented in the text because the iteration must proceed over three elements
If the self-imaging planes are 1 cm apart, what is the transverse periodicity of the object. Assume the wavelength of illumination as 1 micron. find the locations of the planes where one can observe contrast reversal.
a) What is the minimum bandwidth that they need b) If the carrier amplitude in the transmitter (before the power amplifier at the output) is 5V, what is the maximum signal amplitude they can permit in the transmitter without introducing distortion
(a) What must the smaller resistor be adjusted to, if the larger resistor is 100 k-ohm (b) If the smaller resistor is to be formed by a pair of resistorsin parallel, with what resistor must a 2-k resistor be connected in parallel at the input to a..
Determine the relative probability of finding the electron at the distance (a) 12 A beyond the barrier, and (b) 48 A beyond the barrier, compared to the probability of finding the incident particle at the barriers edge. Plot the wave function for ..
If we now decide to use Rg = 1K ohm, what value of input capacitor would be adequate to couple at least 95% of the voltage of a sinusoidal input signal of 10 KHZ to the GATE OF COMMON SOURCE AMPLIFIER
When the scope probe is properly calibrated, it can be modeled as a 9[M Ohm] resistor in parallel with a capacitor having a capacitance l/9th that of the oscilloscope input capacitance.
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