# Model Paper DECE IV SEM || Linear Integrated Circuits EC-402||

C14-EC- 402

Model question paper-I

BOARD DIPLAMA EXAMINATION, (C-14)

DECE-IV Semester EXAMINATION

Linear Integrated Circuits

Time 3 Hours]                                                [TOTAL MARKS:80

PART-A

(2) Each question carries three marks.

(3) Answers should be brief and straight to the point and shall

not exceed five simple sentences.

1. List different IC packages. Draw the shape of above package types.

2. List 6 merits of SMT Technology.

3. State the function of an operational amplifier.

4. Give the Pin  configuration of IC 741.

5. List 6 applications of multivibrators.

6. List the types of IC regulators and give the advantage of IC regulators.

7. List the different types of clippers.

8. List the applications of PLL.

9. Write any three Advantages of instrumentation amplifier.

10. Define the terms resolution, Accuracy, Monotonicity of D/A converter.

[Contd….

PART-B

Instructions:           (1) Answer any five questions.

(2) Each question carries ten marks.

(3) Answers should be comprehensive and the criterion for

valuation is the content but not the length of the answers.

1. Describe the manufacturing process of monolithic ICs.

2. Explain the Inverting amplifier configuration of Op Amp. Draw the input and output waveforms and derive the equation for voltage gain.

3. Draw and explain OP-Amp Wein-bridge Oscillator circuit.

4. Draw and explain the working of OP-Amp Bistable multi vibrator with waveforms.

5. Explain the unbiased and biased clippers with waveforms.

6. Draw and explain the block diagram of PLL – LM565.

7. Explain the Voltage to current converter circuit.

8. Explain A/D conversion using counter method.

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C14-EC- 402

Model question paper-II

BOARD DIPLAMA EXAMINATION, (C-14)

DECE-IV Semester EXAMINATION

Linear Integrated Circuits

Time 3 Hours]                                                                     [TOTAL MARKS:80

PART-A

(2) Each question carries three marks.

(3) Answers should be brief and straight to the point and shall

not exceed five simple sentences.

1. Explain various levels of integration.

2. Mention the power rating of different IC packages.

3. State the important characteristics of ideal operational amplifier.

4. Give the pin configuration of single supply Op Amp LM324.

5. Distinguish between voltage and current time-base generation and list their applications.

6. Classify Multi vibrators.

7. Mention the applications of clippers and clampers.

8. Define capture range of PLL.

9. List 3 applications of Current to Voltage converter.

10. State the need for D/A conversion.

[Contd….

PART-B

Instructions:           (1) Answer any five questions.

(2) Each question carries ten marks.

(3) Answers should be comprehensive and the criterion for

Valuation is the content but not the length of the answers.

1. Describe the fabrication of diode and transistor on monolithic IC.

2. Explain the Non Inverting amplifier configuration of Op Amp and derive the formula for Voltage gain.

3. Draw and explain the working of OP-Amp Bistable multi vibrator with waveforms.

4. Draw and explain the working of OP-Amp Schmitt trigger circuit.

5. Explain the principle of clamper circuit with waveforms.

6. Explain the working of astable multi using 555 IC.

7. Explain the Current to Voltage converter circuit .

8. Explain D/A conversion using R-2R ladder network.

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