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Design a single-section quarter-wave matching transformer to match a 350 load to a 100 line. What is the percent bandwidth of this transformer, for SWR ≤ 2? If the design frequency is 4 GHz, sketch the layout of a microstrip circuit, including dimensions, to implement this matching transformer. Assume the substrate is 0.159 cm thick, with a relative permittivity of 2.2.
A first-order RC high-pass filter has a cutoff frequency of fc = 2400 Hz and the capacitor value of C = 47 nF. What is the required resistor value
Consider the transformer to deliver its rated kilovoltamperes at 0.80 power factor lagging to a load on the low-voltage side with 240 V across the load. Find the highside terminal voltage.
do you have the solutions for digital processing of speech signals book of rabiner and schafer.questions 2.14 and 2.17
A resistor on a Wheatstone bridge is replaced with a strain gage which has a nominal resistance of 120 Ohms and a gage factor of 2.06. The remaining resistors on this quarter-bridge Wheatstone bridge circuit are 120 Ohm fixed resistors.
Suppose the above device is to be used as an 8-way power splitter (let's say only the top-most input is used). Let the input power be P. Assuming a cross-coupling coefficient of f and ignoring excess losses, what are the possible power levels Pi a..
Let P ⊆Rn be a convex set, and let x ε Rn with TP (x) 6= Φ. Prove that TP (x) is a convex cone.
Suppose the gain between the transmit antenna and each of the receive antennas is constant, equal to 1. What is the capacity of the channel? What is the performance gain compared to a single receive antenna system? What is the nature of the perfor..
A plane waveis obliquely incident on a perfectly conducting half-space. The magnetic field is perpendicular to the plane ofincidence. The incident Ehas anamplitude of 1V/m,and the incident angle is θi.
The tolerance on resistors is + 2σ by convention, i.e.,approximately 95% confidence level. With 95% confidence, what is the range of resistance that you would expect to measure experimentally for resistors with the following four color bands
A factory is to be supplied with 408Y/277 3 phase, 4 wire electrical service. The total estimated single-phase load is 25 kW, at .9 lagging power factor. The total estimated three-phase load is 250 kW at .85 lagging power factor.
Two generators are connected in parallel to the same bus bar and each has an inductive reactance of 10% on rating. Generator 1 is rated 2,500 kVA and 2.4 kV, and generator 2 is rated 5,000 kVA and 2.4 kV.
Nyquist sampling rate condition and aliasing Consider the signal: X(t) = sin(0.5)/0.5t a.)Find the Fourier transform X(Ω) of x(t). b.)Is x(t) band limited. If so, find its maximum frequency Ωmax.
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