12-12-2012, 11:43 AM
IC Applications
IC Applications.pdf (Size: 95 KB / Downloads: 23)
Unit-1
1. Internal diagram of op-amp, characteristics of ideal op-amp
2. Definitions of UGB, Slew rate, CMRR, input bias current, offset current, PSRR, input offset voltage
3. all negative feedback applications of opamp
4. 555 Timer: internal diagram, monostable and astable multivibrators
5. 723 regulator: Internal diagram, High and low voltage regulators
6. DAC: Weighted resistor, R-2R ladder, Inverted R-2R ladder
7. ADC: Flash type, Dual slope
8. ADC Specifications: Resolution, linearity, accuracy, settling time (only definitions)
9. Types of IC packages
Unit-2
1. Definitions of voltage and current parameters, propagation delay, fanout, fanin, power dissipation, speed-power product, noise margin
2. Operation of TTL NAND, NOR, NOT gates with totem-pole output
3. Advantages and disadvantages of totem-pole output
4. Current sinking, sourcing actions
5. TTL Loading problem
6. Calculation of fanout
7. Merit and demerits of different output configurations ( totem-pole, open-collector, tristate outputs)
8. Operation of TTL NAND gate with open-collector output
9. Operation of TTL NOT gate with Tristate output
10. Why totempole outputs should not be tied together?
11. Advantages and disadvantages of MOS family
12. operation of nMOS gates
13. operation of CMOS gates
14. What is buffer/driver? Explain with example.
15. What is tristate buffer? Explain with example.
16. What is transmission gate?
17. What is AOI gate? (Clue: It is called And-Or-Invert gate, it implements the expression f= (AB + CD)’ and draw its implementation)
Unit-3
1. Definitions of multiplexer, demultiplexer, decoder, encoder, priority encoder, code converter
2. Design of multiplexer, , demultiplexer, decoder, encoder, various code converters
3. Applications of multiplexer
4. Multiplexer tree
5. Implementation of functions using decoders, multiplexers
6. Difference between decoder and demultiplexer
7. What is decoder/driver?
8. What is difference between decoder and 7-segment display decoder?
9. What is enable input?
10. What are ICs 74150, 151, 153, 157, 138?
11. Important priority encoder ICs with truth tables.
12. Parity generators: even, odd and IC version
13. Learn IC numbers of logic gate ICs
Unit-4
1. Definition of comparator, 1-bit and 2-bit comparator designs
2. IC 7485
3. Full adder and Full Subtractor design using minimum number of NAND gates, Multiplexers (both 8:1 and 4:1), Decoder
4. Implementation of Full Adder and Subtractor using Half adder and subtractor blocks
5. 4-bit parallel adder and its drawback
6. Carry-Look-Ahead adder
7. Procedure of Binary subtraction
8. Binary subtractor using 2’s complement method
9. BCD Adder
10. BCD Subtractor along with procedure to perform subtraction
11. 9’s complementor circuit
12. Flip-flop conversions
13. Race-around condition and how it is eliminated?
14. Operation of 3-bit asynchronous up and down counters along with waveforms
15. 3-bit asynchronous up/down counter
16. Drawbacks of asynchronous/ripple counters
17. Counter glitch
18. Counter lockout
19. Design of synchronous counters
20. Asynchronous IC Counters (7490, 7492, 7493)
21. Synchronous IC counters (74160/161/162/163)
22. What is cascading of BCD Counters?
Unit-5
1. Define word size and word capacity.
2. Expanding word size and word capacity
3. 4-T dynamic and 6-T static memory cell
4. Memory architecture (Refer RP Jain)
5. Comparison of static and dynamic memories. (Note: Static memories are faster than dynamic memories – Courtesy: Farhan )
6. Explain PLD with an example.
7. Implementation of Boolean functions using PROM, PAL, PLA