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Explain fly wheel effect in Class C amplifier.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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Discuss the operating principle of PLL and explain its use as frequency translator.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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With neat diagram explain any one application of Zero-Crossing Detector.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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With neat block diagram explain how PLL can be used to generate large number of frequencies from a single reference frequency.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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2.3k
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Compare FM and AM.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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What is the modulation index due to this second wave?
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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Determine .
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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List down various parameters of Opamp along with their typical values for IC74 I. Also explain what the significance of CMRR and Slew Rate is?
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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Explain how operational amplifier can be used for taking average of three signals.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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7.0k
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Draw the block diagram of a phase cancellation SSB generation and explain how the carrier and unwanted side band are suppressed. What change is necessary to suppress the other side band?
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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4.6k
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Explain amplitude modulation for more than one modulating signal
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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4.3k
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Explain the use of PLL as FM detector.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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6.1k
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Compare PAM, PPM & PWM.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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What is meant by Nyquist rate in sampling? What is standard frequency for speech signal?
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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Explain principle of FDM.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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4.3k
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Draw the spectrum of amplitude modulated wave and explain its components.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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1.2k
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Discuss the factors that influence modulation index of an FM wave.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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3.9k
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What is DSBSC wave? Explain its generation using balanced modulator.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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5.7k
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How does the bandwidth change if the modulating frequency is doubled?
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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1.1k
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How is adaptive delta modulation superior to delta modulation?
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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1.3k
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How is adaptive delta modulation superior to delta modulation?
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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1
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1.1k
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1
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Discuss the factors that influence modulation index of an FM wave.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
0
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1
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3.1k
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1
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What is DSBSC wave? Explain its generation using balanced modulator.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
1
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1
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6.5k
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1
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Draw the PAM, PWM and PPM waveforms in time domain assuming a sinusoidal modulating signal. Explain them in brief
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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1
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3.3k
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1
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Draw the spectrum of an amplitude modulated wave and explain its components.
electronic circuits and communication updated 4.5 years ago by krithikkm200 • 10
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