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Q. Aconical horn has a side viewas shown in Figure The maximum value ofthe directive gain is given by GD ∼ = 5.13(D/λ)2, where D =√3.33λL1 and L1 = L/(1-d/D),in which d is the inside diameter of the waveguide. Beam widths for the main beam directed along the z-axis are given by θB = 60λ/D in degrees in the yz-plane, and by φB ∼ = 70λ/D in degrees in the xz- plane. Let the circular waveguide, with a 2.5-cm inside diameter, be expanded by adding a conical ?are to have an aperture with an inside diameter of 5.771λ at 8 GHz. For L1 = 10λ, find:
(a) The horn length L.
(b) The directive gain.
(c) The principal-plane beamwidths.
Q. Explain the significance of the Coupling capacitor and the RE - CE circuit. The function of the coupling capacitor is to isolate the amplifier input circuit from the source.
Questions: Part (a) A compressor installed at a wharf (for loading container ships) is able to provide 6 bar.g pressure into the pressure receiver. The compressor is moved
The observations from these experiments led to 'The Laws of Electromagnetic Induction' 1) 'If the magnetic flux threading through an electrical circuit changes, then an e.m.f.
How can I design alternator?
Metallic Bonding In metals, the outer shell is filled through no more than three electrons (loosely bound and given up easily) => great chemical activity and very high elec
which ckt. Or components using for irregular ac sine wave change into pure sine wave.......
MODULE 2 EXERCISE: OP-AMP CONFIGURATION
National tariff policy: The Central Government notified the National Tariff Policy on January 6, 2006, for the power sector in line along with the Section 3 of the EA, 2003. Wi
Q. Motoring mode of rotating machines? The motoring mode has electric power input and mechanical power output. The electromagnetic torque Te drives the machine against the load
why voltages are in multiple in 11
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