Post Lab Exercise-1

Last updated over 7 years ago
15 questions
Note from the author:
Post laboratory exercise in Microwave engineering undergraduate level
1

Reflex Klystron tube is an -

2

Explain the role of repeller voltage in the operation of Reflex Klystron tube.

2

What is difference between modulation characteristics and mode study of Reflex klystron tube?

1

Bunching process will be initiated when -

2

What is meant by Electronic Tuning Range (ETR) of Reflex klystron tube?

2

Explain in brief how can we measure generated microwave frequency with Reflex klystron tube.

2

What is difference between Gunn diode and ordinary PN junction diode?

2

Explain what is the significance of negative resistance operation?

1

Negative resistance phenomenon is observed in following semiconductor material -

2

Explain how modulation depth is determined for PIN diode signal in the experiment of Gunn diode?

2

What are four important characteristics of directional couplers?

2

Why it is expected to have maximum values of directivity and isolation for any coupler?

2

How the sampling rate is decided in directional coupler?

2

What different directional couplers we have studied in our experiment?

2

What value of threshold voltage is observed for the Gunn diode in order to enter it into negative resistance region? What is typical value of exhibited negative resistance?