Q. Ideal op-amp have _______________ input impedance.

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Q. Gain of wide band amplifiers are ____________

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Q. Ideal op-amp have equal input impedance and output impedance values.

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Q. Wide band amplifiers are most commonly _________________

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Q. Which of the following can be used as an amplifier?

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Q. Which of the following op-amp configurations are not possible?

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Q. Which of the following device is similar to analog comparator?

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Q. Which of the following can act as a comparator?

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Q. Zero crossing detector has ____________ as reference voltage.

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Q. Which of the following detect the presence of a voltage between two voltages?

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Q. Which of the following are used in window comparators?

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Q. Schmitt trigger is a sine wave generator.

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Q. Difference between levels on input that causes transition in Schmitt trigger is ___________

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Q. Threshold voltage for switching in Schmitt trigger is determined by _______________

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Q. Which of the following is converted to square wave in Schmitt trigger?

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Q. For a particular op-amp hysteresis is governed by _______________

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Q. In passive filters amplitude-frequency chara of pass band region have_______________

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Q. Passive filters have infinite attenuation in stop band region.

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Q. Which of the following causes noise in passive filters?

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Q. Which of the filters are lower order filters?

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