WebWith necessary equations, explain the bunching process in 2-cavity klystron amplifiers(2pts) (b). Explain the conditions for sustained oscillation in two cavity klystron and give its advantages and applications. (2pts) (c). what is meant by Reentrant cavities? How they are useful in microwaves? Explain. 9.(a). classify A reflex klystron consists of a single cavity that performs the action of both buncher and catcher cavity. As to have oscillations, feedback is needed to be applied at the input which is provided by the oscillator. While moving electrons undergoes velocity modulation and the repeller applies repulsive forces on them. See more We have already discussed Two-cavity Klystron and Travelling Wave Tubein our previous articles. We know a two-cavity klystron acts as an … See more Like a two-cavity klystron, a reflex klystron utilizes the phenomenon ofvelocity and current modulation to produce oscillations. However, there exist … See more The basic schematic of a reflex klystron is shown below: The structure consists of a cathode and focusing anode that combinedly acts as an electron gun for the tube. The cathode emits the electron beam which is … See more
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WebThey found that their simple valve design could operate in the frequency region of 1.7 GHz (17.5 cm) but with only little output power. However the three characteristic effects of their transit-time triode namely; velocity modulation, bunching and power transfer from the beam to the circuit would be found later in the magnetron and klystron valve. WebThe reflex klystron contains a reflector plate, referred to as the repeller, instead of the output cavity used in other types of klystrons. The electron beam is modulated as it was in the other types of klystrons by passing it … jesu geburt bilder
Commissioning of L-band Electron Accelerator for Industrial …
http://gn.dronacharya.info/ECEDept/Downloads/QuestionPapers/6th_sem/MicrowaveEngineering/unit-3/lec5.pdf WebReflex Klystron Oscillator: It is possible to produce oscillations in a klystron device which has only one cavity, through which electrons pass twice. This is the Reflex Klystron Oscillator, which will now be described. The Reflex Klystron Oscillator is a low-power, low-efficiency microwave oscillator, illustrated schematically in Figure 11-8. WebThe stimulated emission process in FEL (see Figure 7c) is based on velocity (energy) bunching of the e-beam in the first part of the wiggler, which turns into density … lamp bulb e26 base