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A charged particle (charge q, mass m) is moving under the influence of a magnetic field B = B0 az. If the velocity vector of the particle is v = v a ax +- vy ay + vx az Show that the acceleration of this particle lies in the x-y plane.
A terrestrial radio link transmits a CDMA signal from a base station using a spreading code with a chip rate of 1.0 Mchips per seconds. The message data rate of the signal is 10 kbps.
1. There are 4 main classes of network topologies, what are they 2. In communications over a network, protocols are required. What is the framework or reference model that makes this possible
Find the imaginary part of e^ - (j pi)/2 Find the magnitude of e^ jtheta (for any real value of theta) Find the magnitude of Ae^( j theta) (for any real values of A and theta) Find the phase of -5j in radians
A pn junction with Nd=4x10^16 cm^-3 and Na=3 x 10^15 cm^3 experiences a reverse bias voltage of 1.6V (a) Determine the width of the depletion region and the junction capacitance per unit area
Determine the maximum and minimum spectral frequencies received from a stationary GSM transmitter that has a center frequency of exactly 1950.000000 MHzassuming that the receiver is traveling at speeds of.
2. What is the expected output frequency of a sample and hold system if fs= finput 3. Which is input frequencies will give an output frequency of 50 Hz when put through a sample and hold system if our sampling frequency is 488 Hz
If the breakdown voltage increases with temperature at a rate of 40 mV/"C, find the break-down voltage of the diode at room temperature, assuming that the space-charge resistance is 10 C& independent of temperature.
For a Wien-bridge oscillator Given R = 20Kohm and C = 10nF what is the frequency of oscillation Given a required frequency of oscillation of f = 3kHz and R = 5kohm, what should the value of C be
What approximate minimum BER is required for voice signals, data signals and what is the approximate BER level for the optical fiber systems ?
1) Modern technology has produced a small 1.5-volt alkaline battery with a nominal stored energy of 150 joules. For how many days will it power a calulator that draws a 2-mA current 2)The current entering the positive terminal of an element is
The voltage across the load must remain between 4.7 and 5.0 V for all values of load current. Design a voltage-divider network to supply the load. You may assume that resistors of any value desired are available.
Analysis of z transform to time domain, poles and zeros, From a given z transform X(z) = {1- z^-10}/{1 - z^-1} the discrete time domain form x(n) is deduced using complex manipulation and inverse transforms to arrive at x(n) = x(n-1) + u(n) - u(n-..
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