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Consider the resistors of Figure 22-3:
a. Determine the power levels in dBm and in dBW.
b. Express the voltages in dBV.
An odd parity circuit with 2^n inputs can be built with 2^n-1 XOR gates. Describe two different structures for this circuit, one of which gives minimum worst-case input to output propagation delay and the other of which gives a maximum.
The speech quality for a particular mobile communication system is just acceptable when the received power at the terminals of the mobile receiver is -104 dBm. Find the maximum acceptable propagation loss for the system, given that the transmit po..
Using the graph of BER vs CNR for BPSK, estimate the BER in clear air and in the specified rain conditions when no error correction is used, and when convolutional encoding with k = 7 is applied to the transmission. The bit rate is the same in eac..
The noise voltage in an electric circuit can be modeled as a Gaussian random variable with 0 mean and 10^-4 standard deviation. This noise passes through a half wave rectifier with the characteristics g(x) = { x, x>0 and 0, x
A 50 (ohm) lossless transmission line is terminated in a load with impedance Z= (30-j50) ohm. the wavelength is 8cm. Determine: (a) reflection coefficient (solved: 0.1 - j0.56 or 0.56 angle -79.9)
An amplifier with a gain of 12 dB, a bandwidth of 150 MHz, and a noise figure of 4 dB feeds a receiver with a noise temperature of 900 K.
a unit all for uranium has orthorombic symmetry with ab and c lattice parameters of 0.286 0.587 and 0.495 nm.
Plot the VTC of a CMOS inverter and alculate the waveform - Your answer should look like this - Use FindRoot to calculate TPHL and TPLH for the first stage inverter and the second stage inverter.
A 50 Hz sinusoidal voltage with a maximum amplitude of 340V att = 0 is applied across the terminals of an inductor. The maximumamplitude of the steady-state current in the inductor is 8.5A. a) What is the frequency of the inductor current?
Write the equation for the voltage across the capacitor for all time t > 0 (that is, after the switch opens at t = 0). Assume that the switch has been closed a long time before t = 0 to determine the initial condition on the capacitor.
A copper busbar 10cm wide, 5 mm thick, and 10 m long carries a current of 2kA, Calculate the voltage drop if the temperature of the busbar is 120 degree. What is the power loss per meter
a dc series with an unsaturated field and negligible resistance, when running at a cirtain speed on a given load takes 50A at 460V. If the load -torque variase as the cube of the speed. Calculate the resistance required to reduce the speed 25%.
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