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Q. For a pyramidal-horn antenna, the maximum directive gain is given by
occurring when the aperture dimensions are A ∼ = √3λLandB = 0.81A. The principal-plane beam- widths for the optimum horn with maximum gain are given by θB ∼ = 54λ/B in degrees in the yz- plane, and by φB ∼ = 78λ/A in degrees in the xz- plane. For a pyramidal horn, with A = 6λ and B = 4.86λ, at 6 GHz, ?nd GD, θB, and φB. Comment on whether this horn is optimum.
Q. What are the advantages of the n-channel MOSFET over the p-channel? The main advantage of the n-channel MOSFET over the p-channel is due to the fact that charge carriers in
Q. A depletion MOSFET is given to have large V A , V P = 2.8V, I DSS = 4.3 mA, v DS = 4.5V,and v GS = 1.2V. (a) Is theMOSFEToperating in the active region? (b) Find iD.
Electromagnetic torque The torque is given by the force on the armature winding multiplied by its radius. Force on a conductor in magnetic field B is: F=B.I.L so, T=B
time period measurement
how Photo Diode workin reciver section?
State the postulates of Bohr''s atomic model. Write any three merits and demerits.
With a block diagram explain fiber optic communication system Ans: The block diagram of a fiber optic communication system is display below: The input signal is giv
Q. Explain working of Digital Process Control? Figure shows a block diagram for microcomputer-based control of a physical process, such as a chemical plant. A slight variation
(a) Consider the circuit of the noninverting amplifier in Figure, including an ideal op amp. Obtain an expression for the voltage gain of the overall circuit. (b) Let R i = 10
How do I calculate the line-cable and cable-line values of reflection and refraction coordinates?
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