How is a beam of electrons velocity-modulated?

How is a beam of electrons velocity-modulated?
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1 Answer

Answer :

By alternately speeding up or slowing down the electrons
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The audio signals of TV are – (1) Amplitude modulated (2) Frequency modulated (3) Unmodulated (4) Velocity modulated

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Is coupling loss from fiber separation and lateral misalignment more critical in expanded-beam or butt-jointed connectors?

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Which type of fiber optic connector (butt-jointed or expanded beam) brings the prepared ends of two optical fibers into close contact?

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What relationship must exist between the electron beam and the traveling wave for bunching to occur in the electron beam of a twt?

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Last Answer : The traveling wave must have a forward velocity equal to or less than the speed of the electrons in the beam.

How is the electron beam of a three-cavity klystron accelerated toward the drift tube?

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What determines the beam elevation angle of an antenna that is electronically scanned in elevation?

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The beam from a horizontally positioned cylindrical paraboloid is narrow in what plane?

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What condition must exist on both the limiter and quadrature grids for current to flow in a gated-beam detector?

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What circuit functions does the tube in a gated-beam detector serve?

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Which type of microscope is used to study extremely small things, such as cell structures by passing a beam of electrons through an object?

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What is the name given to a piece of pure semiconductor material that has an equal number of electrons and holes?

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What causes dc bias energy to be absorbed by avalanche electrons and given up to the microwave field applied to an avalanche transit-time diode?

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What happens to the electrons of a gallium-arsenide semiconductor when they move from the normal low-energy conduction band to the high-energy conduction band?

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What are the electrons called that give up energy to the ac field in a magnetron?

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What is the term used to identify the amount of field strength required to cause the electrons to just miss the plate and return to the filament in a circular orbit?

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