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Electronics Engineering Objective Questions { Operational Amplifier and Its Applications  }



94. In a certain oscillator, A, = 50. The attenuation of the feedback circuit must be
Discussion

95. For an oscillator to properly start, the gain around the feedback loop must initially be
Discussion

96.  In a Wien-bridge oscillator, if the resistances in the positive feedback circuit are decreased, the frequency
Discussion

97. In a Colpitt's oscillator, feedback is obtained
Discussion

98. The Q of a crystal is of the order of
Discussion

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