ECE :: Analog Electronics
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Assuming VCE sat = 0.2 V and β = 50, the minimum base current (IB) required to drive the transistor in the given figure to saturation is
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A half wave diode rectifier uses a diode having forward resistance of 50 ohms. The load resistance is also 50 ohms. Then the voltage regulation is
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A Hartley oscillator is used for
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In Class C operation the collector current looks like
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An op-amp integrating circuit uses
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A CE amplifier has re = 6 Ω, β = 100 and a = 0.98. The input impedance is
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A full wave diode rectifier using centre tapped transformer has diodes with forward resistance of 50 ohms each. The load resistance of 50 ohms each. The load resistance is also 50 ohms. The voltage regulation is
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Leakage current approximately doubles for every 10°C increase in the temperature of a transistor has ICBO = 400 nA at 25°C, then its leakage current at 80°C
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A CB amplifier has IE = 3.5 mA, a = 0.98 and RL = 600 Ω. The input impedance
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2.8 mA
.
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. Input impedance of CB amplifier equals re .