ECE :: Analog Electronics
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The feedback technique employed in the following circuit is
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A second order active bandpass filter can be obtained by cascading LP second order filter having higher cut off frequency fOH with a second order HP filter having lower cut off frequency fOL provided
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In figure the approximate voltages of
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The open loop gain of an amplifier is 50 but likely to decrease by 20% due to various factors. If negative feedback with β = 0.1 is used, the change in gain will be about
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An increase in ambient temperature means that maximum power rating of transistor
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Two CE stages are coupled through a capacitor. To calculate the quiescent base current of the two transistors, the capacitor is treated as
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If it is desired to have low output impedance in an amplifier circuit then we should use
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Generally the gain of a transistor amplifier falls at high frequencies due to the
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. Emitter voltage = - 8 + 0.7 = - 7.3 V.