Digital Communication Techniques MCQs

Welcome to our comprehensive collection of Multiple Choice Questions (MCQs) on Digital Communication Techniques, a fundamental topic in the field of Avionics Engineering. Whether you're preparing for competitive exams, honing your problem-solving skills, or simply looking to enhance your abilities in this field, our Digital Communication Techniques MCQs are designed to help you grasp the core concepts and excel in solving problems.

In this section, you'll find a wide range of Digital Communication Techniques mcq questions that explore various aspects of Digital Communication Techniques problems. Each MCQ is crafted to challenge your understanding of Digital Communication Techniques principles, enabling you to refine your problem-solving techniques. Whether you're a student aiming to ace Avionics Engineering tests, a job seeker preparing for interviews, or someone simply interested in sharpening their skills, our Digital Communication Techniques MCQs are your pathway to success in mastering this essential Avionics Engineering topic.

Note: Each of the following question comes with multiple answer choices. Select the most appropriate option and test your understanding of Digital Communication Techniques. You can click on an option to test your knowledge before viewing the solution for a MCQ. Happy learning!

So, are you ready to put your Digital Communication Techniques knowledge to the test? Let's get started with our carefully curated MCQs!

Digital Communication Techniques MCQs | Page 9 of 13

Q81.
Calculate the frequency for maximum drift of crystal if The crystal has a stability of 6300 ppm and an output frequency of 268.2 MHz and frequency multiplier chain with factors of 2, 3, and 3.
Discuss
Answer: (c).269.65 MHz
Q82.
What is the minimum frequency of a 16-MHz crystal with a stability of 200 ppm?
Discuss
Answer: (c).1,59,96,800 Hz
Q83.
Which of the following are the two main characteristics of receivers?
Discuss
Answer: (a).Selectivity and sensitivity
Q84.
What circuit provides the initial selectivity in a receiver?
Discuss
Answer: (d).LC tuned circuits
Q85.
The ability to pick up week signals by a receiver is called _________
Discuss
Answer: (c).Sensitivity
Q86.
What is the input signal level that is approximately equal to the average internally generated noise value called?
Discuss
Answer: (a).MDS
Q87.
Analog signals : Signal to noise ratio:: Digital signals _________
Discuss
Answer: (b).Bit error rate
Q88.
A sensitive and selective receiver can be made using only amplifiers, selective filters, and a demodulator.
Discuss
Answer: (a).True
Q89.
What type of receivers converts all incoming frequency into a lower frequency for better selectivity and sensitivity?
Discuss
Answer: (b).Superheterodyne receivers
Discuss
Answer: (c).Sum and difference of frequencies