ECE :: Analog Electronics
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Consider 49 cascaded amplifiers having individual rise time as 2 n sec. 3 n sec. ... 50 n sec. The input waveform rise time is 1 n sec. Then the output signal rise time is given time by (Assume output signal rise time is measured within 10 percent range of the final output signal.)
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The zener diode in the rectangular circuit shown in the figure has a zener voltage of 5.8 volts and a zener knee current of 0.5 mA. The maximum load current drawn from this circuit ensuring proper functioning over the input voltage range between 20 and 30 volts, is
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In the circuit of figure diode will conduct
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The input to integrating op-amp is a rectangular wave. The output will be
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The most widely used diode rectifier circuit is
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The main advantage of a crystal oscillator
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A full wave rectifier circuit using centre tapped transformer, the input frequency 50 Hz. The frequency of output is
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If the midband gain of an amplifier is 40 dB, the gain at half power frequency is
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