What is the primary difference in construction between the basic magnetron and the negativeresistance magnetron?

Question

What is the primary difference in construction between the basic magnetron and the negativeresistance magnetron?

asked Aug 19, 2021 by anonymous

1 Answer

Related questions

What is the typical frequency range about the center frequency of a tunable magnetron?

Description : What is the typical frequency range about the center frequency of a tunable magnetron?

Last Answer : . ±5 percent.

What is the effect on magnetron operation if the magnetic field strength is too high?

Description : What is the effect on magnetron operation if the magnetic field strength is too high?

Last Answer : The magnetron will not oscillate.

What is the frequency range of magnetron oscillators?

Description : What is the frequency range of magnetron oscillators?

Last Answer : 600-30,000 megahertz.

What is the typical frequency range about the center frequency of a tunable magnetron?

Description : What is the typical frequency range about the center frequency of a tunable magnetron?

Last Answer : ±5 percent.

What is the effect on magnetron operation if the magnetic field strength is too high?

Description : What is the effect on magnetron operation if the magnetic field strength is too high?

Last Answer : The magnetron will not oscillate.

What is the frequency range of magnetron oscillators?

Description : What is the frequency range of magnetron oscillators?

Last Answer : . 600-30,000 megahertz.

Name the procedure used to reduce excessive arcing in a magnetron?

Description : Name the procedure used to reduce excessive arcing in a magnetron?

Last Answer : Baking in.

Capacitive tuning by inserting a ring into the cavity slot of a magnetron is accomplished by what type of tuning mechanism?

Description : Capacitive tuning by inserting a ring into the cavity slot of a magnetron is accomplished by what type of tuning mechanism?

Last Answer : . A cookie-cutter tuner

Magnetron tuning by altering the surface-to-volume ratio of the hole portion of a hole-and-slot cavity is what type of tuning?

Description : Magnetron tuning by altering the surface-to-volume ratio of the hole portion of a hole-and-slot cavity is what type of tuning?

Last Answer : Inductive.

Why is the pi mode the most commonly used magnetron mode of operation

Description : Why is the pi mode the most commonly used magnetron mode of operation

Last Answer : Greater power output.

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

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

Last Answer : Working electrons.

Why is the negative-resistance magnetron often operated with reduced filament voltage?

Description : Why is the negative-resistance magnetron often operated with reduced filament voltage?

Last Answer : To reduce the effects of filament bombardment.

What starts the oscillations in a negative-resistance magnetron?

Description : What starts the oscillations in a negative-resistance magnetron?

Last Answer : The application of the proper magnetic field.

A magnetron will produce oscillations when the electrons follow what type of path?

Description : A magnetron will produce oscillations when the electrons follow what type of path?

Last Answer : Circular.

What element in the magnetron causes the curved path of electron flow?

Description : What element in the magnetron causes the curved path of electron flow?

Last Answer : The permanent magnet.

What controls the output frequency of a magnetron?

Description : What controls the output frequency of a magnetron?

Last Answer : . The resonant cavities.

A cylindrical copper block with resonant cavities around the circumference is used as what component of a magnetron?

Description : A cylindrical copper block with resonant cavities around the circumference is used as what component of a magnetron?

Last Answer : Anode or plate

What serves as a grid in a magnetron?

Description : What serves as a grid in a magnetron?

Last Answer : A magnetic field.

Draw the construction of magnetron and describe it’s working.

Description : Draw the construction of magnetron and describe it’s working.

Last Answer : Working/Operation: 1. Now assume RF oscillations are initiated due to some noise transient within the magnetron, the oscillations will be sustained by device operation. 2. Self- ... these favored electrons imparts enough energy to the RF oscillations so that they are sustained.

Which of the following types of HPA is not used in earth stations? A. TWT B. Transistor C. Klystron D. Magnetron

Description : Which of the following types of HPA is not used in earth stations? A. TWT B. Transistor C. Klystron D. Magnetron

Last Answer : D. Magnetron

What do you call a circuit that controls the magnetron output?A. Inverter B. Impeller C. Modulator D. Converter

Description : What do you call a circuit that controls the magnetron output? A. Inverter B. Impeller C. Modulator D. Converter

Last Answer : C. Modulator

Low-power radar uses A. RIMPATT B. TRAPATT C. Magnetron D. IMPATT

Description : Low-power radar uses A. RIMPATT B. TRAPATT C. Magnetron D. IMPATT

Last Answer : D. IMPATT

With neat cross sectional constructional details,write effect of magnetic and electric field in magnetron

Description : With neat cross sectional constructional details,write effect of magnetic and electric field in magnetron

Last Answer : 1)When magnetic & electric fields act simultaneously upon the electron,its path can have any of a number of shapes dictated by the resistive strengths of the mutually perpendicular electric & ... happens because in practice the applied magnetic field is greatly in excess of the cutoff field.

What is the major difference in grid construction between power pentodes and conventional pentodes?

Description : What is the major difference in grid construction between power pentodes and conventional pentodes?

Last Answer : Conventional pentodes have a staggered grid arrangement, while power pentodes have a shielded grid arrangement.

What is the main difference in construction between normal PN junction diodes and tunnel diodes?

Description : What is the main difference in construction between normal PN junction diodes and tunnel diodes?

Last Answer : The amount of doping.

Other than the type of cell used, what is the major difference between the construction of the leadacid and nicad battery?

Description : Other than the type of cell used, what is the major difference between the construction of the leadacid and nicad battery?

Last Answer : The cells in the nicad battery can be replaced.

What is the basic difference between the primaries of ac and dc rate generators?

Description : What is the basic difference between the primaries of ac and dc rate generators?

Last Answer : The method of primary excitation (ac and permanent magnet).

What is the primary difference between the NPN and PNP amplifiers?

Description : What is the primary difference between the NPN and PNP amplifiers?

Last Answer : The polarity of the source voltage

What is the primary difference between the radio horizon and the natural horizon?

Description : What is the primary difference between the radio horizon and the natural horizon?

Last Answer : Sea water.

What is the primary difference between the pump signal of a simple parametric amplifier and the pump signal of a nondegenerative parametric amplifier?

Description : What is the primary difference between the pump signal of a simple parametric amplifier and the pump signal of a nondegenerative parametric amplifier?

Last Answer : The pump signal of a nondegenerative parametric amplifier is higher than twice the input signal.

What is the primary difference between a diode and a triode?

Description : What is the primary difference between a diode and a triode?

Last Answer : The triode contains a third element called the control rid.

What is the primary difference between the major and minor lobes of a radiation pattern?

Description : What is the primary difference between the major and minor lobes of a radiation pattern?

Last Answer : Major lobes have the greatest amount of radiation.

What kind of material must be used in the construction of waveguides?

Description : What kind of material must be used in the construction of waveguides?

Last Answer : Conductive material.

What type of material is used in the construction of bolometers and thermistors?

Description : What type of material is used in the construction of bolometers and thermistors?

Last Answer : Temperature-sensitive material that exhibits a large negative temperature coefficient.

How do the two types of monolithic IC construction differ?

Description : How do the two types of monolithic IC construction differ?

Last Answer : Diffusion penetrates substrate; epitaxial does not

Name the two types of monolithic IC construction discussed.

Description : Name the two types of monolithic IC construction discussed.

Last Answer : Diffusion; epitaxial growth

What is a major advantage of modular construction?

Description : What is a major advantage of modular construction?

Last Answer : Rapid repair of systems and improved efficiency

The way a magnetic head will be used determines how it is constructed. Name three factors that determine the final construction of a magnetic head.

Description : The way a magnetic head will be used determines how it is constructed. Name three factors that determine the final construction of a magnetic head.

Last Answer : a. Type of head (record, reproduce, or erase). b. Frequencies it will record or reproduce. c. Whether it will be used on a single or multitrack recorder.

How can loss be reduced during construction (or fabrication) of optical fibers?

Description : How can loss be reduced during construction (or fabrication) of optical fibers?

Last Answer : By removing the impurities from optical fiber.

What are the basic requirements for any splice or terminal connection?

Description : What are the basic requirements for any splice or terminal connection?

Last Answer : The connection must be both mechanically and electrically as strong as the conductor or device with which it is used

The magic-T is composed of what two basic types of T junctions?

Description : The magic-T is composed of what two basic types of T junctions?

Last Answer : E-type and H-type.

What are the two basic types of T junctions?

Description : What are the two basic types of T junctions?

Last Answer : E-type and H-type.