ECE :: Analog Electronics
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In a CE amplifier
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The voltage gain of an amplifier without and with feedback are 100 and 20. The negative feedback is
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In the circuit shown in figure, RC = 10k, RE = 150Ω, β = 100, I = 1 mA. The value of
, will be
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Calculate the conductivity of pure silicon at room temperature when the concentration of carriers is 1.6 x 1010 per cm3. Take μe = 1500 cm2/V-sec, μh = 500 cm2/V-sec at room temperature,
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Which of the following?
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In a transistor E mode the collector current with the transistor in cut off region is
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Two CE stages, 1 and 2 are coupled through a capacitor. VCC is the same for both. Base resistances RB1 and RB2 are such that RB1 > RB2. Then
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In a two stage CE amplifier circuit, the ac collector resistance of the first stage depends on
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In a CE amplifier the ac cut off voltage is 9 V and slope of ac load line is - 0.5 mA/V. The ac saturation current is
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For dc the current through coupling capacitor in CE amplifier circuit is
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or β = 0.04 or 4% .
.