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2.7k
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What is Nyquist criteria? what is its significance?
electronic circuits and communication updated 3.6 years ago by teamques10 ★ 70k
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Write a short note on op-amp as comparator.
electronic circuits and communication updated 3.6 years ago by teamques10 ★ 70k
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5.2k
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What is multiplexing in communication system? Draw block diagram of TDM-PCM system and explain.
electronic circuits and communication updated 3.6 years ago by sagarkolekar ★ 11k
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26k
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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 3.6 years ago by sagarkolekar ★ 11k
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3.4k
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Introduction to Power Amplifiers
electronic circuits and communication updated 3.7 years ago by pedsangini276 • 4.8k
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11k
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Introduction to Oscillators
electronic circuits and communication updated 3.7 years ago by pedsangini276 • 4.8k
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Comps_SEM3_ECCF_DEC17 Mumbai University
electronic circuits and communication updated 3.7 years ago by pedsangini276 • 4.8k
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Compare different biasing circuits with respect to Q-point? Comment on which biasing circuit is better in stability.
electronic circuits and communication updated 3.7 years ago by pedsangini276 • 4.8k
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4.3k
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Explain Barkhausen's criteria for principle of oscillation.
electronic circuits and communication updated 3.7 years ago by pedsangini276 • 4.8k
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2.9k
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Sketch a typical drain characteristics for $V_{GS} = 0$ for an n-channel JFET. Explain the shape of the characteristics, identify regions and indicate the important current and voltage levels.
electronic circuits and communication updated 3.7 years ago by pedsangini276 • 4.8k
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3.6k
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Justify that JFET can be used as a Voltage Variable Resistor
electronic circuits and communication updated 3.8 years ago by sagarkolekar ★ 11k
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4.5k
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Write short note on generation of FM by Armstrong method.
electronic circuits and communication updated 3.8 years ago by pedsangini276 • 4.8k
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1.2k
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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 3.8 years ago by pedsangini276 • 4.8k
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Compare n-channel and p-channel JFET with respect to their device features and voltage-current characteristics.
electronic circuits and communication updated 3.8 years ago by pedsangini276 • 4.8k
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1.5k
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Determine the magnitude of $g_m$ for a JFET with $I_{DSS}$ - 8 mA and $V_p$= -4 V at the following dc bias points:1. $V_{GS}= -0.5 V$. 2. $V_{GS}= -I.5 V$. 3.$V_{GS}= -2.5 V$.
electronic circuits and communication updated 3.8 years ago by pedsangini276 • 4.8k
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1
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1.4k
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1
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Determine the magnitude of $g_m$ for a JFET with $I_{DSS}$ - 8 mA and $V_p$= -4 V at the following dc bias points:1. $V_{GS}= -0.5 V$. 2. $V_{GS}= -I.5 V$. 3.$V_{GS}= -2.5 V$.
electronic circuits and communication updated 3.8 years ago by pedsangini276 • 4.8k
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1.6k
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1
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Draw and explain JFET characteristics. Also show that for a JFET $g_m=\dfrac{2}{|V_P|}\sqrt{I_{DSS}I_{DS}}$
electronic circuits and communication updated 3.8 years ago by pedsangini276 • 4.8k
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7.5k
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Give reasons for the following I. FET is called as a square law device II. Barkhausens criteria should be satisfied to get oscillations
electronic circuits and communication updated 3.8 years ago by pedsangini276 • 4.8k
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17k
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Explain the different methods of biasing JFET along with their characteristics in detail.
electronic circuits and communication updated 3.8 years ago by pedsangini276 • 4.8k
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14k
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What do you understand by "Pinch off" voltage and "cut off" voltage as applied to FET?
electronic circuits and communication updated 3.8 years ago by pedsangini276 • 4.8k
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1
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5.8k
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Explain the shape of the characteristic, identify the regions, and indicate the important current and voltage levels.
electronic circuits and communication updated 3.7 years ago by pedsangini276 • 4.8k
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1
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4.9k
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1
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Compare different biasing techniques for JFET.
electronic circuits and communication updated 3.7 years ago by pedsangini276 • 4.8k
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1
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6.8k
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1
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Draw and explain FET based Hartley and Colpitt Oscillator.
electronic circuits and communication updated 3.7 years ago by pedsangini276 • 4.8k
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1
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4.4k
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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 3.7 years ago by pedsangini276 • 4.8k
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16k
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Draw FET based Hartley and Colpitt Oscillator. What is the frequency of oscillation
electronic circuits and communication updated 3.7 years ago by pedsangini276 • 4.8k
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