ECE :: Analog Electronics
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In a common Emitter BJT amplifier, the maximum usable supply voltage is limited by
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High frequency oscillations can be caused by
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In order to obtain triangular pulses at the output of the circuit in the figure, the input should be.
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The circuit in figure is
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A feedback network to be used with an amplifier to provide oscillation is tested and found to give an output of 0.124 V with a 0.5 V input. What will be the effect on output if the amplifier's gain is twice that required by the Barkhausen criterion?
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The oscillator shown in figure is a
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In a combination limiter with sinusoidal input voltage the output wave can be nearly square.
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Assertion (A): A Darlington amplifier has very low output impedance
Reason (R): The circuit has a low resistance RE between emitter and ground
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A Hartley oscillator uses
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A silicon PN junction diode under reverse bias has depletion region of width 10 μm. The relative permittivity of silicon, εr = 11.7 and the permittivity of free space ε0 = 8.85 x 10-12 F/m. The depletion capacitance of the diode per square meter is
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