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A coaxial line is filled with a very slightly lossy material with a relative dielectric constant of 5
The line would have a characteristic impedance of 100 ohm if it was air-filled.
(a) What is the characteristic impedance of the dielectric-filled line?
(b) What is the propagation constant at 500 MHz? Use the fact that the velocity of an EM wave in a lossless air-filled line is the same as that of free-space propagation in air. That is, the propagation constant is the same.
(c) What is the input·impedance of the line if it has an electrical length of 90° and it is terminated in a 35 ohm resistor?
(d) What is the input impedance of the line if it has an electrical length of 180° and is terminated in an inductor of impedance j35 ohm?
(e) What is the input impedance of the line if it is l km long? Use reasonable approximations,remembering that the line is slightly lossy.
A current of 4 A flows through a wire forming a "loop" circle of radius r. If the magnetic field in the center of the "loop" is 10 A, what is the radius along the "loop": a) if the loop consists of a loop of wire, b) if the "loop" consists of 20 t..
A semiconductor company has the following costs associated with Product X: - Fixed cost of $1B ($1,000,000,000) - Die cost of $6 at a die yield of 50% - Testing and packaging cost of $3 per die - A final test yield of 90% with a product volume of 500..
A circuit contains two devices that are connected in parallel. If the resistances of one of these devices is 12ohms and the resistance
Assume that the$% are signed 8-bit and stored in consecutive locations starting at$504020. Assume that A0 points to the s. Also, write the main program in 68000assembly language to perform all initializations (A0 to $504020, A7 to $406020)
A curve of radius 159 m is banked at an angle of 11°. An 810-kg car negotiates the curve at 93 km/h without skidding. Neglect the effects of air drag and rolling friction. Find the normal force exerted by the pavement on the tires.
When a HIGH is on the output of the decoding circuit below, what is the binary code appearing on the inputs?
The reliability of a certain automatic cutoff device is assumed 11/12. What is the reliability of a system consisting of 4 such devices so arranged
Pure ethylene (C2H4) and oxygen are fed to a process for the manufacture of ethylene oxide (C2H4O) C2H4 + ½ O2? C2H4O The process flow diagram is shown below. The catalytic reactor operates at 300 °C and 1.2 atm. Under these conditions
A production plant needs a counter that will count 4,000 items before resetting and recycling. How many flip-flop stages would this counter require
What is the peak frequency deviation of the FM signal and bandwidth of the FM signal? The signal is received with CNR = 30.0 dB. What is the SNR of the recovered video signal at the radio receiver output?
A Y-connected load has an impedance of 25+j12 ohms in each phase. It is desired to raise the load power factor to .95 lagging. (a) What size capacitor should be placed in parallel with each phase impedance if frequence = 60 Hz
Using 4-bit numbers to save space, multiply 3ten x 4ten in binary.
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