MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Wireless & Mobile Communications Questions & Answers Constant Envelope Modulation knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
MSK has complex demodulation and synchronization circuits. |
| A. | True |
| B. | False |
| Answer» C. | |
| 2. |
GMSK is a ________ of MSK. |
| A. | Integral |
| B. | Opposite |
| C. | Derivative |
| D. | Similar |
| Answer» D. Similar | |
| 3. |
MSK is a special form of OQPSK. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
Which of the following is not a property of MSK? |
| A. | Variable envelope |
| B. | Spectral efficiency |
| C. | Good BER performance |
| D. | Self synchronizing capability |
| Answer» B. Spectral efficiency | |
| 5. |
MSK is sometimes also referred as _________ |
| A. | Slow FSK |
| B. | Fast FSK |
| C. | Slow PSK |
| D. | Fast PSK |
| Answer» C. Slow PSK | |
| 6. |
The name minimum phase shift keying implies minimum _________ |
| A. | Frequency separation |
| B. | Amplitude separation |
| C. | Phase change |
| D. | Amplitude deviation |
| Answer» B. Amplitude separation | |
| 7. |
The modulation index of an FSK signal is similar to modulation index of ________ |
| A. | Amplitude modulation |
| B. | Phase modulation |
| C. | QPSK |
| D. | Frequency modulation |
| Answer» E. | |
| 8. |
In BFSK __________ of constant amplitude carrier signal is switched between two values. |
| A. | Phase |
| B. | Angle |
| C. | Frequency |
| D. | Amplitude |
| Answer» D. Amplitude | |
| 9. |
In constant envelope family of modulation, class C amplifiers introduces degradation in spectrum occupancy. |
| A. | True |
| B. | False |
| Answer» C. | |
| 10. |
In non-linear modulation, the amplitude of the carrier varies with the variation of modulating signal. |
| A. | True |
| B. | False |
| Answer» C. | |