eduhilfe

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Asked: April 12, 2021In: MAKAUT

11. Write short notes on any three of the following :

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a) Content Addressed Memory b) Tri-state gates in TTL family c) BCD-to-7 segment decoder/driver d) Data lock-out in a counter.

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Sayani saha

Asked: April 12, 2021In: MAKAUT

10.b) Perform the conversation from d flip-flop to JK flip-flop.

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Sayani saha

Asked: April 12, 2021In: MAKAUT

10.a) Draw the circuit for a four-bit Johnson counter using D flip-flops and explain its operation. Draw the timing diagram for this 4-bit Johnson counter. How does this timing diagram differ from that of a Ring counter?

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Sayani saha

Asked: April 12, 2021In: MAKAUT

9.b) Draw a neat diagram for a R-2R ladder type DAC. What is linearity error and offset error in a DAC?

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Sayani saha

Asked: April 12, 2021In: MAKAUT

9.a) Describe the operation of successive approximation type A to D converter. How many clock pulses are required in worst case for conversation for an 8-bit SAR? Define quantizing error for an ADC.

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Sayani saha

Asked: April 12, 2021In: MAKAUT

8.b) Design a 4-bit Up/Down asynchronous counter using all JK flip-flops and other necessary logic gates. Use one direction control input M. If M=0, the counter will count up and for M-1 the counter will count down.

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Sayani saha

Asked: April 12, 2021In: MAKAUT

8.a) Write down the excitation table of JK and D flip-flops. Derive the excitation equations for these two flip-flops.

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Sayani saha

Asked: April 12, 2021In: MAKAUT

7.c) Draw logic diagram of Master/Slave JK flip-flop. Why is it called so?

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Sayani saha

Asked: April 12, 2021In: MAKAUT

7.b) Design combinational circuit using an 8*4 ROM that accepts a 3-bit number and generates an output binary number equal to the square of the input number.

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Sayani saha

Asked: April 12, 2021In: MAKAUT

7.a) Distinguish between ROM, PLA and PLD’s as elements realising Boolean functions.

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11. Write short notes on any three of the following :

10.b) Perform the conversation from d flip-flop to JK flip-flop.

10.a) Draw the circuit for a four-bit Johnson counter using D flip-flops and explain its operation. Draw the timing diagram for this 4-bit Johnson counter. How does this timing diagram differ from that of a Ring counter?

9.b) Draw a neat diagram for a R-2R ladder type DAC. What is linearity error and offset error in a DAC?

9.a) Describe the operation of successive approximation type A to D converter. How many clock pulses are required in worst case for conversation for an 8-bit SAR? Define quantizing error for an ADC.

8.b) Design a 4-bit Up/Down asynchronous counter using all JK flip-flops and other necessary logic gates. Use one direction control input M. If M=0, the counter will count up and for M-1 the counter will count down.

8.a) Write down the excitation table of JK and D flip-flops. Derive the excitation equations for these two flip-flops.

7.c) Draw logic diagram of Master/Slave JK flip-flop. Why is it called so?

7.b) Design combinational circuit using an 8*4 ROM that accepts a 3-bit number and generates an output binary number equal to the square of the input number.

7.a) Distinguish between ROM, PLA and PLD’s as elements realising Boolean functions.

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