ECE :: Analog Electronics
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For an op-amp source follower circuit
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In CE approximation, the upper end of d.c. load line is called the __________ point and the lower end is the __________ point.
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In a class C power amplifier
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A low noise device is most important
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How many cascaded stage of CE amplifiers will result in polarity inversion of the input signal?
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Circuit shown in the figure is
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In a transistor, current ICBO flow when
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The D.C. alpha(a) of a transistor is approximately
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The period of oscillation of a symmetrical multivibrator depends upon the discharging time constant and is roughly given by
A.
resonant frequency of tuned circuit is equal to fundamental frequency of pulsed waveform
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B.
resonant frequency of tuned circuit is half the fundamental frequency of pulsed waveform
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C.
resonant frequency of tuned circuit has no relation to the fundamental frequency of pulsed waveform
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D.
either (b) or (c)
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A.
some D.C. voltage is applied in the reverse direction to the emitter junction with the collector open circuit
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B.
some D.C. voltage is applied in the forward direction to the collector junction with the emitter open circuit
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C.
some D.C. voltage is applied in the reverse direction to the collector junction with the emitter open circuited
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D.
some D.C. voltage is applied in the forward direction to the emitter junction with the collector open circuited
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