Sample RF and Radio Engineering Technical Interview Questions and Answers for fresher job interview / placement test. Electrical / Communications / Electronics Engineers Practice Questions related to rf and radio asked in written recruitment exams and interview for telecom, telecommunications, mobile network companies.

Define the noise figure.

What do you mean by VCO.

How is dB related to the change of signal

What do you mean by VSWR?

What is the use of filters?

What do you understand by skin effect?

Describe the 911 point.

Explain the super heterodyne reciever.

Define gain.

What is meant by insertion loss?

Define thermal impedance.

Draw and explain an impedance matching circuit.

What do you mean by PCB?

Tell about some band definitions.

What do you mean by an amplifier?

Describe an octave.

Describe a decade.

What do you understand by circular polarization?

Use of an amplifier.

Importance of a transfer curve.

What is the function of mixers?

What is the advantage of saw filters?

Explain the various types of filters.

What do you mean by saturation point?

What does balanced amplifier consist of?

What are PLLs?