ECE :: Analog Electronics
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Figure is a 24 Vr stabilized power supply. The zener is 24 V, 600 mW. The minimum zener current is 10 mA. Proper values R and maximum load current are
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The open loop gain of an amplifier is 200. If negative feedback with β = 0.2 is used, the closed loop gain will be
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In a class C power amplifier the input signal has a frequency of 250 kHz. If the collector current pulses are 0.1 μs wide, the duty cycle of current waveform is
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In figure as the load resistance is changed
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In figure, voltage across R2 = + 10 V. If VBE = 0.7 V and VE = 0.7 V and RE = 10 kΩ, current through RE is
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A 12 kHz pulse wave-form is amplified by a circuit having an Upper cut-off frequency of 1 MHz. The minimum input pulse width that can be accurately reproduced is
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An RC oscillator uses
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The main advantage of CMOS circuit is
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Ac signals are given to both inverting and non-inverting terminals of an op-amp. When will the output maximum
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minimum Power(P) = 10 tr