ECE :: Analog Electronics
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In the graphical analysis of CE amplifier circuit, the intersection of base current and dc load line is called
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In an amplifier circuit the emitter is at ac ground potential in a
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An ideal op-amp has
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A class B amplifier
- is biased just at cutoff
- has a high theoretical efficiency of 78.5% because its quiescent current is low
- is biased at midpoint of load line
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In a practical oscillator, the magnitude of loop gain Aβ is kept slightly larger than unity and the amplitude of oscillations is limited by
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Assertion (A): Direct coupled amplifiers are rarely used
Reason (R): Direct coupled amplifiers suffer from the disadvantage of drift
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A multistage amplifier has a low pass response with three real poles at s = - w1 - w2 and w3. The approximate overall bandwidth B of the amplifier will be given by
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In a feedback series regular circuit, the output voltage is regulated by controlling the
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The transformer cores operating at microwave frequency ranges are generally made up of
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