MCQOPTIONS
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MCQOPTIONS
This section includes 2 Mcqs, each offering curated multiple-choice questions to sharpen your Electronic Devices and Circuits knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A linear delta modulator is designed to operate on speech signals limited to 3.4 kHz. The sampling rate is 10 time the Nyquist rate of the speech signal. The step size is 100 m V. The modulator is tested with a this test signal required to avoid slope overload is |
| A. | 2.04 V |
| B. | 1.08 V |
| C. | 4.08 V |
| D. | 2.16 V |
| Answer» C. 4.08 V | |
| 2. |
A speech signal has a total duration of 20 sec. It is sampled at the rate of 8 kHz and then PCM encoded. The signal-to-quantization noise ratio is required to be 40 dB. The minimum storage capacity needed to accommodate this signal is |
| A. | 1.12 KBytes |
| B. | 140 KBytes |
| C. | 168 KBytes |
| D. | None of the mentioned |
| Answer» C. 168 KBytes | |