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String theory. Suppose that the expected number of students who take String Theory is 23, with variance 169. Suppose that the assigned classroom can hold only 40 students. Also, 6 students is the minimum enrollment, i.e., if 5 or less people sign up, the class will be combined with another. What is a bound on the probability that the class is held (i.e., has a sufficient number of students) and can be taught in the intended classroom (i.e., does not have too many students)?
a digital channel is described by 16 QAM, the data rate is 50 Mbps, the bandwidth is 200 MHz, the power is 1 W, and the received noise level is 50 mW. Resolve for SNR, Baud Rate and the Max theoretical bit rate for the channel.
Show that the response is able to follow the input with a steady state delay of Determine the value of steady-state error 60m/s.
Determine the bandwidth required for a data rate of 10 Mbps. Assume simple pulses, equally spaced, such as in the square wave shown in Fig. 9.12, to represent the information bits.
Calculate the inductive reactance per meter of a single-phase, 50-Hz, two-wire transmission line. Assume each conductor's radius is 9cm and the distance between the two conductors is 5m.
Knowing that the maximum stress after the offset is introduced must not exceed 4 times the stress in the tube when it is straight, determine the largest offset that can be used.
You will need to go to a manufacturer's website (ex: Motorola) to get the datasheets. The specifications for the different kinds of diodes vary. Copy all of the specifications for each diode as well as all of the specification definitions.
Draw a circuit diagram to show how the CT, VT and meters are connected into the load circuit. Neglecting instrument and transformer errors, calculate the load kVA and power factor if the voltmeter, ammeter and wattmeter indicate values of 200 V, 2..
Design an FSM that realizes a three-bit Gray-code counter, which counts in the sequence 000, 001, 011, 010, 110, 111, 101, 100, 000
For each of the sinusoidal source functions, determine the complex exponential source that has the given source as its imaginary part. Determine the phasor representation of each of the sinusoidal source functions.
How to Testing Electrical and Electronics Components and Devices with Multimeter ?
Design a RC phase shift oscillator that makes a pure sine wave (no clipping or other distortions) at a frequency of 10 kHz. Output voltage should be 9 V pp. Design a differential amplifier with Icq = 0.5 mA in each BJT and Difference mode gain = 40..
an Armstrong indirect FM modulator to generate an FM carrier with a carrier frequency of 96 MHz and deviation of f=20 KHz. A narrowband FM generator with Fc=200 KHz and adjustable deviation f in range of 9 to 10 Hz is available.
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