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C4803 Pages:

PART C
Answer any two full questions, each carries 20 marks.

Explain how a monostable multivibrator can be implemented with 555 IC with

relevant waveforms and functional diagram. Derive an expression for pulse width.

With a neat circuit diagram, explain the operation of a 3-bit flash converter.

With a neat block diagram explain the working of PLL. Explain any two
applications of PLL.

Explain the working of dual-slope ADC with a neat circuit diagram.

Explain how short circuit, fold back protection and current boosting are done

using IC723 voltage regulator.

With a neat circuit diagram explain the working of a weighted resistor D/A

converter
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