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A telephone channel allows signal transmission in the range 600 to 3,000 Hz. The carrier frequency is taken to be 1,800 Hz. (a) Show that 2,400 bit/s, 4PSK transmission with raised cosine shaping is possible. Show that the 6 dB bandwidth about the carrier is 1,200 Hz. (b) 4,800 bits/s are to be transmitted over the same channel. Show that 8PSK, with 50% sinusoidal roll-off, will accommodate the desired date rate. Show that the 6 dB bandwidth about the carrier is now 1,600 Hz.
A three phase abc sequence wye connected source with Van=220
Consider a magnetic dipole carrying a current I. a. Calculate the magnetic flux density B at a point P specified in spherical coordinates. Express the answer in terms of the magnetic dipole moment m. Justify all the assumptions adopted.
Consider the current it takes to power a +5V 74xx245(Icc). What is the qualitative difference between the CMOS devices and the non-CMOS devices and the non-CMOS devices What is the explanation for the difference
An electric flux of 151 Nm2/C passes through a flat horizontal surface that has an area of 0.715 m2. The flux is due to a uniform electric field. What is the magnitude of the electric field if the field points 10.3° above the horizontal
A $5000 face value industrial bond can be purchased for $4920. Its dividend rate is *% and it pays dividends semianually and will mature in eight years. What are the rate of return, the nominal interest rate, and the effective rate of return
A person shuffling across a dry carpet can be approximately modeled as a charged100-pF capacitance with one end grounded. If the person touches a grounded metallic object such as a water faucet.
Any causal signal x(t) having a Laplace transform with poles in the open-left s-plane (i.e., not including the j axis) has, as we saw before, a region of convergence that includes the j axis, and as such its Fourier transform can be found from its..
Describe the components of the Saudi Arabian electronic health system
For the PMOS, calculate the applied voltage and the electric field (at the Si-SiO2 interface) to make the silicon surface intrinsic. What is the depletion width in this case.
What is the system's Nyquist sample rate if ω0 = 1000/(2π) rad/sec.?
The Brilliant Box Company makes corrugated boxes. The strength of the boxes is a vital quality characteristic. Box strength is measured by its stiffness level. The process operates two shifts and produces a high volume of boxes.
a) Construct a choice table for interest rates from 0% to 100%. b) Which roof should you choose if your MARR is 12% what is the actual value of the IRR on the incremental cost?
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