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A carrier signal c(t) = 10 cos(2pifct) is modulated using a message signal m(t) cos(20pit). The modulation is FM, with kf = 50.
Write equation for modulated signal What is average transmitted power & modulation index?
What is bandwidth using either Carson's rule or "universal curve"?
What is the bandwidth required so that the modulated signal contains atheist 90% of the power of the unmodulated carrier? Hint: Use Bessel functions to compute the sidelobe tone powers first.
resistor: a volt-ohmmeter with an internal impedance of 1000 Ω/V and an EVM with an impedance of 11 MΩ. Calculate the voltage indicated by each of these devices.
How the inversion voltage is affected by the relative sizes of the sizes of the nMOS nMOS and pMOS TRANSISTORS OF THE CMOS transistors of the CMOS inverter
what is meant by "proactive" project management. Discuss ways in which to ensure that projects are being managed proactively. Investigate on the internet the features of Microsoft Project. Discuss why a project plan is not a Microsoft Project file.
A diode is connected in series with a 30-V rms source to charge a 12-V battery with an internal resistance of 0.1 ohm. Specify the series resistance necessary to limit the peak current to 2A. Estimate the time required to recharge a 10-A hr batter..
Wavelength and Frequency, The downstream information (from the network to the customer) is transmitted at a wavelength of 1550 nanometers and the upstream information
An electron is bound in a one-dimensional infinite potential well with a width of 5Å. (a) Calculate the first three energy levels that the electron may occupy. (b) If the electron drops from the third to the second energy level
The following equation represents the complete combustion of ethane: 2C2H6(g) + 7O2(g) 4CO2(g) + 6H2O(g)At the same temperature and pressure what is the maximum volume in liters of carbon dioxide
Consider a signal x(t) = 10 cos(2pi*fct + 4 cos 2pi*fmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when.
Begin with a breadboard, wire, an RGB LED and some resistors. Using the forward voltages given in the RGB LED datasheet, calculate the correct current-limiting resistors needed to light each color of the LED (assuming VDD = +5V).
An electronics manufacturer makes corrosion-resisitant, gold-plated connectors. Each connector is cylindrical in shape with a diameter of .100 cm and a length of 1.0 cm. Each connector is to be coated with a 10 -(micrometer) gold layer.
Use this table of part c to determine the mean, median, and mode of the grouped data. Compare your results with those in part A, and comment. E. use the frequency table of part C. to determine the variance and the standard deviation of the groupe..
For the system represented by the following difference equation y[n] = 0.5x[n] + 0.5x[n - 1] find: (a) the transfer function H(z) of the system. (b) the frequency response H(e^jw) of the system.
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