92. One condition for oscillation is
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93. A second condition for oscillations IS
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94. In a certain oscillator, A, = 50. The attenuation of the feedback circuit must be
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95. For an oscillator to properly start, the gain around the feedback loop must initially be
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96. In a Wien-bridge oscillator, if the resistances in the positive feedback circuit are decreased, the frequency
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97. In a Colpitt's oscillator, feedback is obtained
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98. The Q of a crystal is of the order of
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