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_h{cuhanical Iln1l i nc,,, r.i ny1

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tij{i'1 * lrl,l'ic'l'li()l\rt.S AJ{l) 1,,(jiioi,ito(jt,j..;sotts.+l,rlnrrn ilr dirli;i-""-;rr'lri)c I'Jrr;3'irli'r:r'irt,i'; itrtrl f'r',i1l1r.tir;rr Iingli,.or.iriri lrrrri c,rrnr,. trrIt. ll (1:rrrl-tirrrc) llegu.lution 2u(.)5,,t,l,ir,i $onr*,Lu.)

: rlr^....r..,.(IlcgulaLion 200.1)

- rr-' i 'I'Itrcc hours

Lt quastions. I\'Iaximunr : Ioo m*rk,s

pAlt.l, A .- (ttt x 2 = Z1n*,,rlcs)

< I)cfinc tirr. i<lrrns: Drift ancl Iliffusion._ _-^rr s\_tt

:q,f,t"e=- -..i9

"€ ,,ffig,i vo*p

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-r 'i'rli'te uny t.rr,,o irtlvrrnl,alles of ncgiitive fet: clliacls.._'. 1)r:lirre: Ilrcirk o\rrr. VolL&go"

,1, :iLr: tlrr. rlill.cr.c-q\ .--^,-nt tyl:cri of li.lip-l,.lops.

'. lrrL :rr.(,r J lirur:..y Colrnturs/-qr

i,'ri te di {1'c.r.c_,n t. e:q! xtsrn:r] I.Iarclrvrire Synclrron.iziii.,ir;il i:rrt.r.r,,r I r:lr;[.t.t.it.l.t1,ti$ r ]i. ti0Sr.

::,..r, Liic l)usr:r.i,lic* Ibr Llie rlnslruction .taI((,1, ,1. li{JSir.:

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tvitve(8)

(B)

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\Vrit;c slt*r,1, rrr;l,cr *rr llre :tplrliclriions *I,Ir"xJ:rain tl:*:

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cliocJcs"

rr.,rrr:;jsror.,,i,;;j;_';,,:ljl,ilil,,]ll;],,rcrc.ir:tics n,r conrmon hase

llxplain-the ci*sli of o;iurafioncnrrcnl, L,, rvitlr n,,,r.t,,rkot*I,.*.l?lr lrnplifiers in terms of

.OFF"

(i)( tlj()r

rnr:lh<;cJ* of tur.rrin# ,ON, and turning

(ii) J)e.;cr.il_,u tJrrr c()r1rni,,* ^-a*pi*till, ijj; ;i[ffiin-sourc., arnplirier circut wirh

Il-xplain, t,hcSCIt,.

*;t-ts, a L:gic cliagr.arn fi.onr the sin toJ

Jf o FE * aa t-'/r" * , ^. liJi'rd Boolean exp"*rrio;irpfittsd .[

'48 +Ec * o: r-',4g ,= y, Givei its tru{,h table too.

l

rl

:itt:.1

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(ii)

(i)ft)

Dcfinc F'Jip-l;,lops. Dr"rw r:hn ^.,'^^.; iltllii: : :,r. "

* i,r, i,,'?; lI;: ;,',_" : *:1, "Sl I rye ror -Res

e r/s e t rype,1e to,rfgget/set rype, -

rve LOW und u.iiuu..I{iG}{ inputs.mff id;* "rJ "* :; Hff ':T *::' "*ilffi

OrJusLifi, wh.yg;,tte.

thi; NAIVD g;rlo is considered as a universal

lliscuss in dcl*il*,,n o*.uion ;;;;:;1,'1il,,:;::;,iluf"nArr:.oxm*rion type of Ntj',

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t'

proffraft Rnel c:,.;:iain the fi,:rv chart for adcling two g_bit

(b) Write a eirnplenumbers.

(16)l5' (a) })xplain in detnil ahouf' ti-re rjiffsrr*nt ways orrBO$S I/f) crata trannfer.{)r.

(lJ) Uiscuss irr tlctaii atrr.rut urrvtsclssl b*sua,-;;"t^;;;;;r.,,:,t- oI'the agrplications of ivlicroprocessor

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Or

(b) Dcseribc the oFernliorl {){'a 8085 l:asod traffic ligirt control rrsing suitablerliagrams, flow clr*r.l, *rrd a$sembly language p;.&";;. -

(16)

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I)rnw tlr* cnorgy }:a,cl cliatrgranr {iir alt insrrliring niatr:rial

Wli aL arer extrinsir: renriconcl rrcLr r.:;l)

lihetcir the fixed bias circuit Ibr l ll,l1,.

\VriLc two advautirgcs oI'ncg.rLivr-, [i,ciI btrcii. ,

Writr: ftrur laws o{'ll,:r:lean rrlge brii.

Wri{.s tlrc trutlr trr}riei {irr I in1;ut NA,i\U tr;ale.

Narllc tvro adr-lrcssiug urode,s t;l' hi()llji.

List four interrupts o{.BOgb.

L,ist the por.ts of tt0tib.

Write thc control r,r,or.r1 fbrmat oi.g::lfi5 1r1:1

ti:siryrjll.1:l.ll .'jirr.h. i tllLilii,lll ll.\-,iAlINA'l'tr )),,. il,iy/.ftlNtt ZOAi,,

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((lonrrnorr lu Arrtr:nrobiirr llngincc:r'jng/1 )r''tlriction }lnginecring)

{ Iicg Lrl ntit.rn 200,1 )

r'jir;:i!:,i,i;;-llj5lirfr{1w r$t;ffii$lffii. frIffiIffi

Maxirnunr : 100 marks

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I-lifJ'erent,iatc L'Ll, 0(1, Cl.l crrrrfigru.ations ol' I3JT.

Or

J)eseribe 'h*

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ttl/

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(i)

(ii)

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,i'rlr1 ili;isrri:: { ir"(,r.tii.s in ricLtil.

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r .\ :.-!,s1,el]),

t r iriil ial:lrs, oxplairr thc o1:eration(6+

{pyulg

;i,:sr:lrrl:,ly langr::.rgr-. I)roliraril to find LIleillt i{t ril^\r i)l'gi,i,r.,g r:ilnr.bct.s.

biggest(3

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( ilcgulatirirr 2f){).1 )

Mechanicnl Er:gincering

EC, 72$4 * ELECII,ITC,I*ICS AND I\IICIiOPItoCBSSoRs

{co:,rnon to Automob,e flngineering and. production Engineering)

e:Ttlrctthr.rurs

Ansrve.r ALL ques,,ions.

FART A *- (I0 x 2 = ZOnarks)

What is the energy gap?

Maximum : 100 marks

ln rectification?,

|,1&r transistor is carled currcnl i:,ntrorlecr ejevice?

is a foecl back ampliliers?

i1 t.,

lfiolve the following:

8)ro *( . ?. ), =( . t.),

t is a ilip-flop?

t,ii. il

. . i:,,li

' li,

t,

t.is a rnnc:tuonic irrsl.ruqtiein,r,

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l)isr:urrs I ltt, t.,rJc ol r)ut.r,o1rr.rrr:t,ssor. il]

.I-,Ait'it f} - (5 ,r

ilt ) (i)

a l.crffic light contrnl.

16 = 80 marks)

\Vl:at is 'biilrir:r' ;roterrrtiit.l, irrl'-lS juncl.ion, v;hcn it i_s

l rplr rrrllt'iitl,Lr r.lirilg; :lrrrs.

I irrr,v l,hc vo]1;1111, ;..trgtrlal ir,rn is l'rr:l rir:vcd :in r*r_liiier cimlits? I{x

( ):'

l'j'iiiv r.ltir u:r'c.il, rri,gr'riril r,, lu jl rv'\,t: rscriiier. r.vith firteri:xpi;rin it,s rv*"ii:.,g rvil.ir irr,Lrr ir,ci output, w*yeforrlls.

Il::plnin 1..h* Ill](rur)!irrlrlii rr,r.r,,lvccl in thc blr_la.k clown r

PN junction uD(ler l,ovcr"sc bizi;r:rl cr;ntlition_

rr l)'N junction? Wliattr)t 1\'llr(I rrrtti rcvcl.sc

(iir

();) (i)

Draw lhe cir.crrit ol' a t,ri:nsistor inSketch the output clii:,rne[r;ristic.s,cut-off regir:ns.

(ii i

(a)L2.

(b)

the commcnlntiicate lhe

emitter. configuactive, saturation

or t;i

, -;twhy 'rriac is cale,{ a eloubiccr ended scR? Exprain trre *rr*t..r*uon$opc.irLi,n and crr*r'ircrc.islics of a,I'riac rvith a ir"ti or,r"a;;r;;;;:l;;(a) (i)

X:l:::*s *r.c c,*llert ur:i'ersat gares,i W'y? Srate and prlJenrorgB.rrs theot.cm rvith i.rullr table. :

(ii) List tho typcs oi..,VJ) r:o'vr:rt..r" ancl explain any one with.stliaglirrn. 'r-"--..- r"rr

t?ii:,li,ltiL:l;.

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lL.r:ira lrir:;rl ltlrrElirrr:tnrrg

irlil 2tir$ * ULEC1,ft(] *iliCS AND i,{lCROpliCJCIISSOnS

(Courrnou to i\ulornoi:ril* iln::ilr:ering artrl Ir:,ntlut:titll Errgi:rer:r.ing)

L*{i.,::*fg,_l{l:n r*ltjottrc : fi.tC35 i

(l{erulation 2008)

;i n,i\r, :r -,\ l,i, rltrt:st r,,,rsr

l'AIt1':\ * {1{} x 2 = tl{J }iarksl

'l'trnr.' Thlr.o horrr.'

l. What is a pN Junction?

2. Define a rectifier.

3. lVhat are the various types oi.Lr.ansisior biasing circuits?

4. bfention auy two applications o fl UJT.

s' oive the t*rtlr (arrle :iarl *ynrboric rcpre*enratic'of NA,{D anrl

6. Convert 65 inio llCD. ,

I;ist oul the 16-brl re6isters oj.lt0il5.

L Uxplain the g0lt5 instrrrcf ion D;\A_

f). J,iirt tir* lundiinrenttl l,/O t*rhn;rqucs.

10. I.ist *lry two print.s coutgrrrirrl; r*r,rn I/0 arrrl ,eripLcral Ii().

a

N{lrxlmurn : i00 hfarks

NOR,

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(Lr

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(a.) 1.'lxpirilr irr rl:tir:l tit;: cir':rtit:'y of (lla:r:r'13

discrtss itr trtririts ;r:iti tlrtr'rllii's'

t)r'

11, lilx!,ltirr {}:R cltarncl nriiitii;s c'f SC}lr:liirra r:lc:ris t i{:*).

(ll] I)qliflrr a lralf antl I ull 'lrrldrrr'

0rs of Aln(b) tlxpl*in the eqeeentive $pproximstion typ'

l't

I4

1$.

$lA eonvnrt*r'

{a) Sketch the architocture of S08$ nnd sxplain the modules'

': or(b) . Write a siurple prograur to sort tbe

illrtiiuil.v;r'verec(ilitir' (i6j

1rr.ri:l prrll i,o*'or ar,pli{t-t ii};1

'f iili\C n*d DIA{.i t*irlY tbe(1ii)

( rt))

aud roai*tor to ludder(1S)

(1s)

numbel in ascending and, (16)

baeed temPeratule coutroli (16)

srvendescending ord*r"

(a) Explain in detail ttrer 808S ilricroprocessorsYstem.

0rl. (16)

{b) , Ilxfrlain rn deiail t}re ij085 ruieroptoceesor based traffi.c ligrrl cantro

', 1.l

64035

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1l' E'lB'Tech' DEGRE Ti EXAMINATI,N, ApRIr./MAy z,rL.

Fourth Semester

Mechanical Engineering

AC 1264 * ELT]CTITONIC$ ANN &IIC}IOPRC}CESSORS

(common to Automobile Er,gineering and Froduction Engineering)

lRegulation 2004)(common to B.E. (part-Tirne) Third semesier - i\{cchanical Engineering

Regulation 2005)

Time; Ttree hoursMaximum : 100 marks

Anriwer ALL qrrestions.

PART /\ * (10 x Z = 2gmarks)

1. Draw thc V-I characteristics of Zener diode.

2. trtrat is meant by voltage relgulation?

3. l[trat are ihe benefits of negative feeclback?

4. What is the need for biasing circuit? ,

5" What are the universal gnler;?

S. Write the binarv rearrirror^-.,, .-r :ary equivalerrt of decimal number 1S.

7 ' what are the acldrcssir:g nrorres of g0g5 *ricroprocessor?8 Mention any four data transfer instructions of g0g5 microprocessor.9, What is the dilference bcrween VO nrapped VO and *^*^"'

y rs created us;ing microprocessor?

I l. l.tt,

I)Ali'l' lt - (l'r i. 'lii a' 8{l nrtrlcs)

With nrrat circuit d'irr1;r',rms, explain ttrc wi;rkiug of halfu,avc rectificr'.

Or

(i) Explain the wor.lEing principle of PF{ junction diode.

(ii) trxpiain t):e characteristics of intrinsie and

semico.nductors.

wave and ful1(16)

(8)

extrinsic(8)

(b)

-:

-:

-

-:-\ar,

{l

t

-

lZ" (a) With the neat cir.cuit tliagrams, explain the working and characteristies

r:I'Chl a &ncl CC conliguration olllipoku' junctiou transistor. (16)

Or

(b) Explain the eonstruction, werking and characteristics of SCR and Tbiac'(16)

1.3.(a)(i)Expiaintheworki:ngofHalfandFultraddercircuitindptail.,j:](ii)ExplainthefunctiorrofJKflipflopandDFlipflop.(6)

Or

ft) With a suitable functional block diagrams,and DIA convetters

L4. (a) With a suitable functional block diagram, explain the architecturalfeatures of 8085 microprocessor. (16)

Or

(b) Write an assembly ianguage prograrn to arrange the given set of 8-bitbinary nrrmbers in ascending/descending order. : , .

: (16)

15. (a) With a suitable interfacing cireuit, explain the interfacing of one input

{Jr.ft) With a suitable hardrcare circuit and softrvare program, explain the

lcontrol of a stepper using 8085 microproces$or, motor using 8085microproce$sor. . (16)

explain the workin* * ffi

65296