ECE :: Analog Electronics
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In the case of the circuit shown in the figure, the collector current IC will be, if β = 100, VBE = 0.7 V, ICO = 0.1 βA at 20°C
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A three-section RC phase shift oscillator has R = 10K ohms and C = 0.001 μF. The frequency of oscillations is
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The circuit of figure is
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Assertion (A): Electric coupling, magnetic coupling and ground loop can cause unwanted high frequency oscillations.
Reason (R): Hartley oscillator uses a tapped inductor
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Power transistors are invariably provided with
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Assertion (A): The ac load line is different from dc load line
Reason (R): The ac load resistance seen by collector and emitter is different from dc load resistance
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In a class C operation VCC = 40 V and VCE(sat) = 0.4 V. The efficiency is
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The circuit shown in figure will
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The absolute values of pinch-off voltage and gate-source cut-off voltage are
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