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An -air filled X-band rectangular waveguide with dimensions 2.286 cm x 1.016 cm is to be connected to and X-band waveguide of the same dimensions, but filled with lossless polystyrene (εr = 2.56, μr = 1). To avoid reflections, an X-band waveguide section λg/4 in length is inserted between the two. Assume dominant mode propagation and that the match is at 10 GHz.a) Determine the required wave impedance of the λg/4 sectionb) Determine the permittivity required in the λg/4 sectionc) Determine the length of the λg/4 section
b. If the opamp is configured as a non inverting amplifier with voltage gain of 100, what bandwidth will the circuit have c. With the same configuration (gain of 100), what is the maximum input for linear operation (limited by VCC)
The disk uniformly rotates in air about its axis (perpendicular to the disk) with an angular velocity . Find the magnetic flux density vector at an arbitrary point along the axis of rotation. Assume that the charge distribution over the disk remai..
The radio station 98.5FM has a bad power amplifier such that the received signal at any car radio is actually: x(t) = y(t) + y2(t) where y(t) is the FM signal at the assigned carrier frequency. Assuming your radio has unlimited spectral range
The U.S. Digital Cellular provider uses a TDMA scheme for multiple access. It uses a 48.6 kbps data rate and supports three users per frame. Each user occupies two of the six time slots per frame. Compute the raw data rate provided for each user.
Calculate the efficiency of transmission at the IP level. Assume no options for the header and no errors. Calculate the efficiency of transmission at the data link layer. Assume no options for IP header and Ethernet-II format are used at the d..
The O.C and S.C test data are given below for a single phase, 5 kVA, 200V/400V, 50Hz transformer. O.C test from LV side:200V 1.25A 150WS.C test from HV side:20VV 12.5A 175W
a low pass first order instrument has a time constant of 20ms. Find frequency in hz of the input at which the output is 93% of dc output. Find phase angle.
A meter being used for a 2-wire resistance measurement has an internal current source of 1 mA. If the meter's test leads have equal resistances of 0.06-ohm, what is the measured resistance for: A resistor of actual value 0.5-ohm
Determine the rotational speed required to generate a sinusoidal voltage of 24V in a 25-turn coil that rotates within two pole field of 0.012 wb/pole.
In a pn junction for which Na >> Nd, and the depletion layer exists mostly on the shallowly doped side with W = 0.3 µm, find Vo if Nd = 10^16 / cm³. Also calculate Qj.
1.) (a) What is the difference between the sign-magnitude and 2's-complement systems of representing signed binary numbers. (b) What is the advantage of using the 2's-complement system to represent signed numbers.
If the EM wave of 10 kW transmitted is hitting a truly reflecting building at 20o and 5m from normal, the coefficient of reflection is r=0.5, at which location the reflected ray is max and its power density at 5m in that direction
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