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Principles Of Communication Network

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Explain Practical diode detector with suitable example.
principles of communication network updated 7.1 years ago by teamques10 ★ 70k
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Write a short note on Double spotting
principles of communication network updated 7.1 years ago by teamques10 ★ 70k
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Modulation index for AM should be less than one. Justify / contradict
principles of communication network updated 7.1 years ago by tusharghangas1 • 0
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Explain phase shift method for suppression of unwanted carrier with neat block diagram.
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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Amplitude limiting and thresholding.
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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Frequency division multiplexing (FDM)
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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$\mu$ law and A law companding
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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Vestigial side band transmission (VSB) and its application.
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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Explain indirect FM transmitter with suitable diagram
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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Explain the following with reference to AM receiver (i) Double spotting (ii) Three point tracking (iii) Image frequency rejection ratio (iv) fidelity
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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With the help of neat diagram and wave forms explain generation and demodulation of PWM.
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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Explain the working of stabilized reactance modulator with suitable diagram.
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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6.8k
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State and prove sampling theorem for low pass band limited signals
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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Define noise figure and noise factor
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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Justify why FM is more immune to noise.
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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Why AGC is required in Radio Receivers?
principles of communication network updated 7.1 years ago by yashbeer ★ 11k
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Explain the frequency discriminators with the help of neat diagram.
principles of communication network updated 7.2 years ago by teamques10 ★ 70k
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7.9k
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Explain why the local oscillator frequency is always chosen as fs+fIF and not fs-fIF?
principles of communication network updated 7.2 years ago by teamques10 ★ 70k
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With the help of a neat block diagram explain the generation and detection of a PPM signal. Also explain the merits and demerits of a PPM transmission.
principles of communication network updated 7.2 years ago by teamques10 ★ 70k
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In a super-heterodyne receiver having no RF amplifier, the loaded Q of the antenna coupling circuits is 100.
principles of communication network updated 7.2 years ago by teamques10 ★ 70k
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In super heterodyne receiver having no RF amplifier, the loaded Q of the antenna coupling circuit is 80.
principles of communication network updated 7.2 years ago by teamques10 ★ 70k
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In an FM system when the audio frequency is 400Hz and the AF voltage is 4V the derivation is 4.8Khz. Calculate the modulation index and the bandwidth required.
principles of communication network updated 7.2 years ago by teamques10 ★ 70k
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A single tone FM signal is given by efm (t) = 20 Cos ( 16 pie 10^6t + 25 Sin 2pie 10^3t). find the modulation index, modulating frequency, deviation, carrier frequency and power in FM signal.
principles of communication network updated 7.2 years ago by teamques10 ★ 70k
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1.6k
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An AM signal is produced by modulating a carrier signal with peak voltage of 10V and Frequency of 100kHz by an information signal with max modulating frequency of 5KHz and max amplitude 4V. Determine
principles of communication network updated 7.2 years ago by teamques10 ★ 70k
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Determine overall noise factor and noise figure for the cascade amplifier with the following parameters:
principles of communication network updated 7.2 years ago by teamques10 ★ 70k
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