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A shielded ventilation panel consists of a 20 by 20 array of 400, 1/8 in round holes. The panel is 1/2 in thick (hence the holes have a depth of 1/2 in). What is the approximate shielding effectiveness of the panel at 250 MHz?
A typical 50,000 watt AM broadcast transmitter will generally have severallow power audio amplifier stages, a high power (~25,000 watt) audiooutput stage to generate the audio power that modulates the RFcarrier
The output of an exclusive-NOR function is false only if exactly one of the inputs is true. Show the truth table of a two-input exclusive-NOR function, and implement it using AND gates, OR gates and NOT gates.
A lossy transmission line at 1GHz has the following characteristics: Z0= 50.0 ohms alpha= 0.01 dB/m, Betta=8 rad/m. Determine R, L, G and C for the line
1- A particular gas exerts a pressure of 2.79 bar. What is this pressure in units of pascals 2- A particular gas exerts a pressure of 3.43 bar. What is this pressure in units of atmospheres 3- A particular gas exerts a pressure of 4.79 atm.
Compare the equivalent and nominal π-model for the line; At the full load the line delivers 800 MW at 0.9 leading power factor and at 480 kV to the receiving end load. Calculate voltage regulation and efficiency of the line
A specific type of MOSFET has VT = -1 V. The MOSFET is in the ON state (a short exists between its drain and source) when vGS ≥ VT. The MOSFET is in the OFF state (an open circuit exists between its drain and source) when vGS
An input signal of 10V at 0 degrees is applied to a series RLC circuit with resistore R=100 ohm, inductor L=40 mH, and capacitor C = 0.5uF. determine what is The value of the total circuit complex impedence.
Write a function to compute the square root of a number based on Newton's method, but using a convergence criterion based on the difference between two successive iterates for the roots.
Assume that you wish to connect an 8[ohm]speaker to an amplifier using an ideal transformer. The amplifier has a Thévenin voltage of 25[Vrms], and aThévenin resistance of 0.275[ohm]. Find the turns ratiofor the transformer
about 10000 btus of heat input are required for an electric utility to produce 1 kilowatt-hour of electrical energy.
You are to design a continuous-time, second-order, lowpass filter that has the following specifications.
Explain how to use the knowledge of Structure-Property-Processing-Perfomance relationship to improve on a device based on semiconductivity. Name the device, describe how it is made, the principle guiding its function and application.
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