Preview Questions RF (Radio Frequency) Engineer | Role Specific Skill

Question 1: Which of the following antenna configurations is best suited for a point-to-point communication system?

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Parabolic dish antenna

Dipole antenna

Patch antenna

Omnidirectional antenna

Question 2: In RF design, what is the effect of using a longer ground trace on EMI?

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It reduces power consumption

It increases EMI by creating a larger loop

It can reduce EMI by improving grounding

It has no effect on EMI

Question 3: What is the primary purpose of an EMC filter in a power supply circuit?

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Reduce signal gain

Increase frequency response

Suppress conducted emissions

Enhance power factor

Question 4: What is the primary benefit of using a cavity resonator in RF systems?

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Reduces frequency drift

Improves impedance matching

Minimizes insertion loss

Filters specific frequencies

Question 5: What is the typical polarization of a helical antenna in axial mode?

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Linear

Vertical

Horizontal

Circular

Question 6: Which material property most affects the performance of a dielectric substrate in antennas?

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Thermal conductivity

Dielectric constant

Magnetic permeability

Loss tangent