Friday, March 1, 2019

II YEAR ANALOG & DIGITAL IC-APPLICATIONS IMP QUESTIONS

ANALOG AND DIGITAL IC-APPLICATIONS
IMPORTANT QUESTIONS
UNIT 1: (OPERATIONAL AMPLIFIERS)
ESSAYS:
1. Define an op-amp ? what are the ideal  characteristics of an op-amp and explain the      block diagram of an op-amp?
2. Explain the working of inverting and non-inverting op-amp?
3. Explain the working of integrator and differentiator op-amp ?
4. Explain the  op-amp acts as logarithmic amplifier and differential amplifier ?
5. Explain the  op-amp acts as summing amplifier and subtractor amplifier ?
6. Explain the op-amp parameters ?
SHORTS:
7.  Explain the concept of virtual ground ?
8. Explain the  op-amp acts as voltage follower ?
9. Explain the  op-amp acts as voltage to current convertor ?
10. Explain the working of  non- inverting adder op-amp?

UNIT 2: (OP-AMP CIRCUITS)
ESSAYS:
1.Explain the working of Astable multivibrator (or) free running multivibrator         
    by using op-amp ?
2. Explain the working  and analysis of Monostable multivibrator by using op-amp ?
3. Explain the working of  sine wave generator (or) wein bridge oscillator by using  op-amp ?                 
4.Explain the functional block diagram of IC-55 timer and mention it’s applications?
5. Explain the  op-amp acts as instrumentational amplifier ?
6. Explain the frequency response of low pass and high pass filters by using op-amp ?
SHORTS:
7. Explain the  op-amp acts as comparator ?
8. Explain the  op-amp acts as voltage regulator ?
9. Explain the  op-amp acts as zero crossing detector ?
10. Explain the working of  Bi-stable multivibrator by using op-amp ?
11. Explain the  op-amp acts as Schmitt trigger ?
12. Explain the working of  triangular wave generator  by using op-amp ?
13. . Explain the  band pass filter by using op-amp ?

UNIT 3:(IC-APPLICATIONS)
ESSAYS:
1.Explain the design of BCD to Seven segment code convertor ?
2. Explain the design of BCD to Grey code convertor ?
3. Explain the design of  Grey to binary  code convertor ?
4.  Explain the design of  universal shift register ?
5. Explain the design of  binary up/down counter ?
SHORTS:
6.  Explain the design of Mod N counter ?
7. Explain the design of preset table ?

UNIT 4: (DATA CONVERTERS)
ESSAYS:
1.Explain the Successive Approximation method of ADC?
2.Explain the Sigma to delta method of ADC?
3.Explain the R-2R ladder network method of ADC?
4.Explain the Binary weighted method of ADC?
SHORTS:


5.Write a short note on Single slope method of ADC?
6.Write a short note on  dual  slope method of ADC?
7.Explain the  Characteristics of DAC?

UNIT 5: (DIGITAL SYSTEM INTERFACING & APPLICATIONS)
ESSAYS:
1.Explain the Interfacing of  LED's?
2.Explain the construction & working of  Digital clock?
3.Explain the construction & working of  UART?
SHORTS:
4. Write a short note on Parallel to Serial Shift Register?
5.Write a short note on Serial to Parallel Shift Register?

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