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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 4.0 years ago by krithikkm200 • 10
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Determine the $V_{GSQ},I_{DQ}$ and $V_{DSQ}$ and $A_V$ for a voltage divider ciruit with $V_{DD}= 18v,R_D= 2.2K,R_1=2.1M,R_2=330K$ and $R_S=1.2 K,I_{DSS}=10mA,V_P=-8V$ and $I_FS=40\mu s$.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Explain how Op-Amp can be used as a summing, scaling and averaging amplifier in the inverting configuration.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Sketch an op-amp integrating circuit together with the circuit waveforms. Explain in brief the circuit operation.
electronic circuits and communication updated 3.9 years ago by krithikkm200 • 10
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Explain input offset voltage, CMRR and SVRR for operational amplifier.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Explain ideal as well as practical differentiator in operational amplifier in detail.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Calculate the maximum voltage gain for the voltage amplifier stage and determine the resistor values to obtain the desired gain.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Find R1 and Rf in the lossy integrator so that the peak gain is 20 dB and the gain is 3 dB down from its peak when $\omega$ = 10,000 rad/s. Use capacitance of $0.01\mu F$.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Draw and explain opamp non inverting comparator. Draw input and output waveforms for Vref positive and also for Vref negative.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Draw the output waveform for sine wave of 1 V peak at 100 Hz applied to the differentiator.
electronic circuits and communication updated 3.8 years ago by phenjoisilab • 0
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Draw and explain opamp inverting comparator. Draw input and output waveforms for $V_{ref} > 0$ and also for $V_{ref} < 0$.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Compare class A and class C power amplifiers.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Explain how op-amp can be used as an averaging amplifier in inverting configuration.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Explain how operational amplifier can be used for addition of two AC signals with one DC signal.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Explain fly wheel effect in Class C amplifier.
electronic circuits and communication updated 4.0 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 4.0 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 4.0 years ago by krithikkm200 • 10
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2.0k
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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 4.0 years ago by krithikkm200 • 10
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6.1k
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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 4.0 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 4.0 years ago by krithikkm200 • 10
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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 4.0 years ago by krithikkm200 • 10
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Determine .
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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2.3k
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Compare FM and AM.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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What is the modulation index due to this second wave?
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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Discuss the factors that influence modulation index of an FM wave.
electronic circuits and communication updated 4.0 years ago by krithikkm200 • 10
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