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Q1. | A speech signal, band limited to 4kHz and peak voltage varying between + 5V and - 5V is sampled at the Nyquist rate. Each sample is quantized and represented by 8 bits. If the bits 0 and 1 are transmitted using bipolar pulses, the minimum bandwidth required for distortion free transmission is |

A. | 64 kHz [Wrong Answer] |

B. | 32 kHz [Wrong Answer] |

C. | 8 kHz [Wrong Answer] |

D. | 4 kHz [Correct Answer] |

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Explanation:-
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⇒ A carrier is phase modulated (PM) with frequency deviation of 10 kHz by a single tone frequency of 1 kHz. If the single tone frequency is increased to 2 kHz, assuming that phase deviation remains unchanged, the bandwidth of the PM signal is

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⇒ Read the following statements: Dual slope ADC provides

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⇒ A sinusoidal carrier voltage, having frequency 1000 Hz is amplitude modulated by a sinusoidal voltage of frequency 15 kHz. The frequency of upper and lower sidebands will be

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