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.

A GSM cellular telephone standard requires a minimum of 9 dB rejection of interfering signal levels of -23 dBm at 3 MHz from the carrier, -33 dBm at 1.6 MHz from the carrier, and -43 dBm at 0.6 MHz from the carrier, for a carrier level of -99 dBm. Determine the required local oscillator phase noise at 3 MHz carrier frequency offset.

A. -138 dBc/Hz
B. -128 dBc/Hz
C. -118 dBc/Hz
D. None of the mentioned
Answer» B. -128 dBc/Hz
Discussion
2.

At higher frequencies of operation of an oscillator, induced noise is mostly:

A. Thermal noise
B. White noise
C. Shot noise
D. Flicker noise
Answer» B. White noise
Discussion
3.

A practical oscillator has a frequency spectrum consisting of a single delta function at its operating frequency.

A. True
B. False
Answer» C.
Discussion