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Second Semester M.tech Degree Examination, November 2012

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S  pecial iza tion  :  VLSI  and Em  bed d ed  System MECVE 201- ANALYSIS AND D ESI GN OF  A  NALOG IN TEGR ATED  CIR CUIT (Reg ula r)  Answer  all quest ions. 1.  (a)  What  is meant by Bod y  ef fect?  What  is its effect  on the tr an sistor paramete r ?  (5 ma rk s) (  b)  Dis cu ss ab o ut MOS mo dellin g  in lin ear  sat ur ati on  an d cut -of f  re gio n.  (1 0 mark  s) (c)  For  a sourc e  fo llower stage  with a cu r r ent mirr or  to pr ovi d e  bia s cu rrent  o  b tain th e expression fo r  AV. Or 2.  (a)  Dr aw  the cir cu it  of Fold ed-Cascode  ampl if ier .  Der ive the  ex  pr ess ion  fo r  AV .  (15 mark s) (  b)  Der iv e  an ex  pr ession  f or  ou tp ut r es istance ofC S  stage.  (1 0 ma rk s) 3.  (a)  Wit h  the  hel p  of circuit ,  exp lain the  operatio n  of  the  Cascod e  curr ent mir ro r  and d eri ve  th e expr  essi on fo r i ts ou tp ut im pe da nce . (15 mar  k s) (  b)  Dra w th e Sch em at ic of ba si c diff er entia l am plif ier  an d  explain  its  common mod e r esp onse . (10 ma r k s) 4.  (a)  Com  pa re  basic curre nt mirr ors with Cascode current  mir r or s.  Why it  is ne ces sar y  to use cur r ent mirror s  as load in differ ent ial am pl ifi er ? (8 mark s) (b ) For a  dif ferential  am pl ifier with curr en t mir ro r load ob ta in th e ex  p r ession fo r  CMRR usin g th e  small  sign al mod el. (17 ma rk s) 5. (a)  Dr aw the CM OS  r eal iza tio n of tw o sta ge Op- Amp an d ob ta in the ex  p r ession f  or  its ga in . (17 marks) (  b)  Ex pl ain th e ne ed fo r co m  pen sation.  (8 mar k s) Or 6. (a) W ith the help of di ag ram ex pl ain t he fun ction o f cu rrent mirro r Op- A mp w ith wide s w ing Cas cod e curren t m irrors. (b) D iscuss abo ut Do min ant pole com pen sation . 7. (a) L ist an d ex pl ain a bo ut va rio us n ois e m od els fo r cir cu it ele m en ts. (b) A naly se the O p-A m plowpass filter fromno ise pe rspe ctiv e. Or (15 m ark s) (10 m arks) (15 m ark s) (10 m arks) 8. (a ) W ri te n o te s o n : (i) Fl ic k er no is e. (ii) T he rm al noi se. (b ) D er iv e th e ex pr es si on fo r no is e b an dw id th fo r a fir st ad d er lo wpa ss filt er . (14 m ark s) (11 mark s
Transcript
Page 1: Second Semester M.tech Degree Examination, November 2012

8/13/2019 Second Semester M.tech Degree Examination, November 2012

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S pecialization   :   VLSI   and Em bed d ed   

MECVE 201-ANALYSIS AND DESIGN OF   A NALOG

(Regular)

 Answer    all quest ions.

1.   (a)   What   is meant by Body ef fect?   What   is its effect on the tr

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6. (a) With the help of diagram explain the function of current m

Cascode current mirrors.

(b) Discuss about Dominant pole compensation.

7. (a) List and explain about various noise modelsfor circuit elem

(b) Analyse the Op-Amplowpass filter fromnoise perspective.

Or 

8. (a) Write notes on :

(i) Flicker noise.

(ii) Thermal noise.

(b) Derive the expression for noise bandwidth for a first adder

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Second Semester Branch : Electronics and Communication

Specialization,: VLSI and Embedded

MECVE 202-ADV ANCED EMBEDDED SYS

(Regular)

 Answer   all questions.

1.   (a) Differentiate between Moore-type and Melay type Finite-S

the elevator's unit control process using state machine

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7. (a) Explain how the embedded software can be put into the tar

(b) Discuss about linking and locating software.

Or 

8. (a) List and explain the testing steps at host machine.

(b) List and explain the features of simulator.

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Second Semes~er Branch : Electronics and Communication

SpecializatiOn : VLSI and Embedded

,  MEC'VE 203-VLSI SYSTEM DESI

(Regular)

 Answer    all  questions.

1.   (a) Explain the Full Custom design flowwith necessary diagr

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Second Semester

Branch: Electronics and Communication En

Specialization: VLSt and Embedded Sy

MECVE 204-REAL TIME OPERATING

(Regular)

 Answer    all questions.

1.   (a) List the basic functions of the real time kernal and expla

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7. (a) Ljst and explain the full range of communication options pr

(b) Under Micro Cos kemal, what are the different states that a

of time? Explain about each one.' .  

Or 

8. (a) Explain the following: (i) Memory layout in Vx works; (ii)

(b) Discuss general requirements of a processor a port RT Linu

architectUre.

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Second Semester Branch: Electronics and Communication En

Specialization: VLSI and Embedded S

MEC VE 205.2-MEMS AND MICROSYSTEM TECHN

(Regular)

 Answer    all questions.

l.   (a)   ..Enumerate and explain the MEMS features.

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2

6.   (a)   Explain the differe~ces between MEMS and MOEMS.

(b)   ExplaIn the applications of optical MEMS.

(c)   Explain the principle ofMEMS piezo actuator.

(d)   Give an account on 'Bulk Micromachining'.

7.   (a)   Explain the features of ¥EMS scanners.

(b)   Compare and contrast optical switching and Electronic Sw

(c)   Explain the applications of MEMS in air bag system.

(d)   Write a technical note on 'MEMS pills' ..

Or 

8 .   (a)   Explain the application of MEMS in printers.

(b) E l i h i i l f i l i di l

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Branch: Electronics and Communication En

Specialization: VLSI and Embedded Sy

MEC  VE  206.2-TESTING OF VLSI CIRCUIT

(Regular)

 Answer    all  questions.

1.   (a) Consider a single board system with 25 ASICSwhich hav

and tested with a fault coverage of 0 95 while the board

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3. (a) (i) Compare and explain the serial and par allel fault simu

(ii) Compute combinational and sequential measures of the r

D-flip flop.  (b) Howthe cycliccircuits are tested? Explain'.

Or 

4. (a) (i) Find out the test vectors for the followingfaults using P

SAO

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8.   (a) Consider the path a - e - g in the circuit. Derive a test for

cir cuit explain the path delay fault.

(b) What in  IDDQ   testing? How the leakage faults are detect


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