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Prove that the entropy of extremely likely and extremely unlikely message is zero.
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Find Entropy and Information rate.
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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What do you mean by entropy. Derive the equation for entropy
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Definition of information.
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Calculate the maximum bit rate for a channel having b.w. 3100 Hz and S/N ratio 20 dB
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Calculate the minimum bit rate for a channel having b.w. 3100 Hz and S/N ratio 10 dB
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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An analog signal has a bit rate of 8000 bps and a band rate of 1000 band. How many data elements are carried by each signal element? How many signal elements do we need?
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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A 2kHz channel has signal to noise ratio of 24 dB
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Compare PAM, PPM and PWM
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Explain generations of PAM
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Aliasing or fold over error:
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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State sampling theorem. What happen if the sampling is done at less than $2 f_{\max}$
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Draw PAM, PWM and PPM waveforms. Explain these in brief.
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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What is DSBSC wave. Explain its generation using balanced modulator.
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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What is need of modulation in communication
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Explain the concept of amplitude modulation
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Modulating signal $10 \sin 2 \pi \times 10^3 t$ is used to modulate carrier signal $20 \sin 2 \pi \times 10^4 t$. Find the modulation index $\%$ modulation frequency. and amp. B.W and spectrum
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Explain generation of SSB using phase shift method.
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Write a short note on generation of FM by Armstrong method.
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Explain with block dig. AM super heterodyne receiver
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Explain super heterodyne receiver with waveform at each stage.
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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What is the modulation index due to this 2nd wave?
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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1.1k
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Compare AM with FM
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Draw and explain equivalent circuit of an ideal OP- AMP
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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Explain input modes, CMRR for OP-AMP
electronic circuits and communication updated 6.2 years ago by teamques10 ★ 70k
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