Integrated Circuits - Dec 2012

Electronics & Telecomm. (Semester 5)

TOTAL MARKS: 80
TOTAL TIME: 3 HOURS (1) Question 1 is compulsory.
(2) Attempt any three from the remaining questions.
(3) Assume data if required.
(4) Figures to the right indicate full marks. 1 (a) State and explain the important advantages of three op-amp instrumentation amplifier.(5 marks) 1 (b) Compare static RAM and dynamic RAM(5 marks) 1 (c) Give the comparison between Melay machine and Moore machine(5 marks) 1 (d) Draw and explain voltage and current converter(5 marks) 2 (a) With neat diagram explain two techniques of A to D conversion(10 marks) 2 (b) Draw and explain the block diagram of IC 810 audio power amplifier in detail.(10 marks) 3 (a) Design a Melay state machine for overall sequence detector for the string' 1110
Theoutput must be I, when the input matches this string:-
(i) Draw the state diagram-
(ii) Write its transtion and output table
(iii) Draw logic diagram:(12 marks) 3 (b) Draw and explain the diagram of IC 566 VCO and explain its features(8 marks) 4 (a) Write the VHDL Code for 8 bit shift right register(10 marks) 4 (b) Using equal-components, design a second order band pass KRC filtter with t₀ = 2kHz 10 and BW = 400 Hz. What is its resonant?(10 marks) 5 (a) Draw a circuit of three op-amp Instrumentation amplifier and explainits working. Derive the output voltage equation.(10 marks) 5 (b) Explain in detail the vairous documentation standard of sequentialcircuits. Draw the internal structure of synchronous SRAM(10 marks) 6 (a) Explain the operationof the sample and hold circuit. Draw inputand output waveforms.(10 marks) 6 (b) Design a mono stable multi-vibrator for pulse width of 1m/sec using timer IC 555 with power supply of 12 volt. Explain whether the pulse width will increase, decrease or remain same if the 0 volt DC is applied at control pin of IC 555(10 marks)

Write short notes on (any three) :-

7 (a) Non-inverting Schmitt trigger(7 marks) 7 (b) CPLD(7 marks) 7 (c) Comparator Circuit(7 marks) 7 (d) Structural Modeling(7 marks)