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A coaxial transmission line consists of two concentric cylinders.The inner cylinder has radius r1 and the outer cylinder has radius r2. The inner cylinder has a surfacecharge density ρS C.m-2, that is uniformly distributed along its length. The outer cylinder has the same totalcharge as the inner cylinder, distributed over its inner surface but is of opposite polarity. Determine theelectric field amplitude,a) inside the inner cylinder [r < r1]b) between the cylinders [ r1 < r < r2]c) outside the outer cylinder [r > r2]
A DC voltmeter is rated at 14 bits of resolution and has a full-scale input range of ±5V. Assuming the meter's ADC is ideal, what is the maximum quantization error that we can expect from the meter.
A spectrum analyzer is used to verify an FM signal with a carrier frequency of 100.3 MHz, a modulation frequency of 15 kHz, and a modulation index of 2.4. a.) Predict the spectrum-analyzer display for the signal
A low-voltage lighting system is to use a binary logic control for a particular light. This light lies at the intersection point of a T-shaped hallway. There is a switch for this light at each of the three endpoints of the T.
Obtain an expression for the spectrum of an FM signal with single-tone modulation where the carrier amplitude is Ac, the carrier frequency is Fc, the message frequency is fm and the modulation index is B (beta).
A microcontroller manufacturer, Agduino, offers a single product which is produced at two different plants. The first plant located in college station produces 2/3 of the microcontrollers. The remaining microcontrollers come from Austin.
Given that the required transmission time for a block of data of length 64kilobits to be transmitted error-free is 6 seconds and that the receiver has a bandwidth of 20kHz, what is required SNR of the receiver
1. What is the difference between discrete system and digital system. 2. What is "baseband modulation"? What types of baseband modulation are there. 3. How does time division multiplexing work? What factors affect how many channels you can transmit.
Using the Chebyshev inequality, predict how many samples you'll need to take from an exponential distribution in order to obtain, with a probability of at least .95, an estimate of accurate to one percent.
Every 64 cycles, the circuit outputs the average ofthe past 64 input V values, then in the next cycle begins a new calculation (in other words, its behavior repeats). During the cycles when the circuit is not outputting the average, itshould outpu..
Derive and graph the electric field based on V-bi( built in Potential). Derive the depletion width (w) from built in potential and equilibrium charge equation. graph Depletion width and E-feild in forward bias.
The dielectric materials used in real capacitors are not perfect insulators. A resistance called a leakage resistance in parallel with the capacitance can model this imperfection. A 150-F capacitor is initially charged to 100 V.
A stream can represent many different kinds of sources and destinations, including disk files, devices, other programs, and memory arrays. Discuss how to use the different data stream classes to move data to/from files.
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