Janardan Rai Nagar Rajasthan Vidyapeeth 2005 M.Tech Computer Science MSVD02-ANALOG VLSI DESIGN - Question Paper

MASTER OF TECHNOLOGY
(SEMESTER - IV )(ELECTRONICS TELECOMMUNICATION/COMPUTER)

(SPL-4:VLSI DEIGN & EMBEDDED SYSTEM)

MSVD02-ANALOG VLSI DESIGN
TIME: 03 HOURS MAX. MARKS: 75

GENERAL INSTRUCTIONS:
1. Question paper is divided into 3 groups
2. Each group is of 25 marks every
3. Figure to the right in bracket shows mark
4. Assume suitable data if necessary

GROUP A: ans any 3 ques.. ques. No. one is compulsory.
Q 1. Draw and discuss darlingtion configuration (5)
Q 2. What is the current mirror? discuss it along with diagram (10)
Q.3. Draw and discuss small signal model of MOS. (10)
Q.4. Explain 2 stage MOS operational amplifier design criteria (10)
Q.5. How analysis of differential amplifier can be done by using active
load (10)

GROUP B: ans any 3 ques.. ques. No. six is compulsory.
Q 6. Draw and discuss analog buffer (5)
Q 7. Explain phase locked techniques. (10)
Q 8. Design eight bit analog to digital converter (10)
Q 9. Design and discuss VCO (10)
Q.10. Explain variable tran conductance multiplier (10)


GROUP C: All ques. are Compulsory.
Q.11 Fill in the blanks (each ques. carries two marks)
(i) BiCMOS inverter has a _______input impendance.
(ii) The gain of Op – Amp ____________.
(iii) Capture mode is used for ___________.
(iv) VCO is used for ________in communication field.
(v) Resolution of eight bit A to D converter is ________.




Q.12 Multiple option ques.. (Each ques. carries two marks)
(i) CMRR indicates the _______of 2 input terminal.
(a)Maching (b)Difference (c)both (d)none
(ii) CC configuration is used for ____
(a)Voltage amplifier (b)current (c) both (d) none
(iii) Biasing is used for faithful _____________ .
(a)Multiplication (b)multiplication (c)data transfer (d)a and b
(iv) Band width of Op-Amp is __________ needed. (Theoretical )
(a) Low (b) high (c)medium (d)none
(v) CE configuration is used for ____.
(a)Voltage amplifier (b) current (c)both (d)none


Q.13 True or false (each ques. carries one mark).
(i) Switching speed of MOS Op-Amp is higher than Bipolar Op-AMP.
(ii) Source follower is used for voltage amplifier.
(iii) Slew rate increase speed of response increase.
(iv) Temperature is less effective when biasing is used.
(v) PSRR is very high in op-amp.

Earning:   Approval pending.