Explore topic-wise MCQs in Microwave Engineering.

This section includes 3 Mcqs, each offering curated multiple-choice questions to sharpen your Microwave Engineering knowledge and support exam preparation. Choose a topic below to get started.

1.

If the RMS peak current in an IMPATT diode is 700 mA and if DC input power is 6 watt, with the load resistance being equal to 2.5 , the efficiency of the diode is:

A. 10.1 %
B. 10.21 %
C. 12 %
D. 15.2 %
Answer» C. 12 %
2.

If the length of the intrinsic region in IMPATT diode is 2 m and the carrier drift velocity are 107 cm/s, then the nominal frequency of the diode is:

A. 12 GHz
B. 25 GHz
C. 30 GHz
D. 24 GHz
Answer» C. 30 GHz
3.

If the length of the intrinsic region in IMPATT diode is 2 m and the carrier drift velocity are 107 cm/s, then the drift time of the carrier is:

A. 10<sup>-11</sup> seconds
B. 2 10<sup>-11</sup> seconds
C. 2.5 10<sup>-11</sup> seconds
D. none of the mentioned
Answer» C. 2.5 10<sup>-11</sup> seconds