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Consider the partially filled parallel plate waveguide shown in the accompanying figure. Derive the solution (fields and cutoff frequency) for the lowest order TE mode of this structure. Assume the metal plates are infinitely wide. Can a TEM wave propagate on this structure
A turnstile antenna consists of two crossed dipole antennas. in this case, located in the x-y plane - the dipoles are also identical and lie on the x and y axes respectively and are both fed at the origin assume the equal currents are supplied
Design and implement a sequential circuit for even parity check using T flip-flops. A binary code is received bit by bit in serial. The circuit output is 0 when the number of 1s in binary code is even; otherwise, output is 1.
Describe how I/O ports are accessed in system that uses Memory-Mapped I/O and how they are accessed in a system that uses Direct I/O. List the advantages and disadvantages of each type of port addressing.
A permanent magnet dc motor has two poles and a simplex lap winding of 18 loops and 3 turns per loop. The armature radius is 4 cm and the armature length is 15 cm. The flux density under the poles is 0.74 T.
Use Modelsim and a VHDL test bench to simulate all the three models for a 4-to-1 multiplexer. Use basic gates for structural modeling. A tar VHDL library file is given for assistance.
The heating element in a soldering iron has a resistance of 30-ohm. Find the average power dissipated in the soldering iron if it is connected to a voltage source of 117 V rms.
Design a 8x1 multiplexer using seven 2x1 multiplexers. Please label all signals clearly.
An NMOS device operating with a small drain-source voltage serves as a resistor. If the supply voltage is 1.8V, what is the minimum on-resistance that can be achieved with W/L=20
1. add 12ten to 15ten in binary and then subtract 12ten from 15ten in binary.2. using 4-bit numbers to save space
what is the impedance of a resistor r in parallel with a series combination of a capacitor c and an inductor l?
A 150-W street lamp is operated for 12 hours a day. How much energy does it take to operate the lamp for 30 days? Express your answer in kilowatt-hours and in joules.
a 10uF capacitor is plugged into a 110v rms 60 hz voltage source with an ammeter in series. what is the rms value of the current through the capacitor?
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