I'SNEa

Sixth Scmcster B.E. D€grec Examinatior, Jun./July 2OllDigital Communication

Note: l. Ahsuet irhr FIVEfu 4o6tions, selectidzd b6t rtYO qLenionslron each pan

2. Misihg ddtd b. saitablt asmed.

PART - At a. Bnefly explain lLe v ious b6ic sis.nl procc$ine operado.s i, a digilal conmuni@tionsyslem. (06 Mfk)

b. Consider lhe messag€ siglal c(0 = A@s(2rf.o . Plor dE slectnm oi the discEt€-time

sisDl ss (t) dedved hy smpli.c et) for the sanplitr8 Bles: i) f! = 4 , n) fi = 3i. 06 M!&)c. A lov pds sigal st) is sdpled !o eet s(t) Bitrs nar iop smpling Eerhod. obiah rhe

expr$ion for rhe suplins sisnal s(t) &d its speclm. E€nce sh6w Inat flal lop sdplinsleadsto mplihld€ dislortion md explai. how n is mrecled dui.glt.drtudol

(03 Mrrk)2 a. Explain lhe $ree basic nDdioN of a regeneralive rcpealer h a PCM slsrm, with a btock

diasru of the regeneralir€ reFater, (06 Mrrk)b. Five ne$aee sigmts s(r), s,(r), sr(r), sio and g(r) havins bandyidih! 2 KHz, 2 (I.tz,

2 KHz, 3 (Irz md I ruz e to h€ rresmitEd on a tine divisioD nnndd.x.d bsis using a.ommon cnmet. Seru! a ehene for ac@ndishins this nurrid.xins eqnirmat qirh@h D.ssaAc sisnaL smpl€d at its Nytuist Ele, Iind d1e Bini(M tEsmission ba widlh

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c. Ddive m €xpE$ion for the ourput sig@lro-q@tiation noise 6iio of a ejfom quntiarin lero oI srep size ol the q@ti4r. Hocq show thar for a onkead t !e ;ifom.udns Lhc sNR h (SNIR," -rM 7.2rdB qheR .a 'js4r:hDba ot bns pci lmph.

A delta nodulator systea is designed to op€nte ai loiiiD$ the Nlq,isl6te to. a sisnalwith a 1O (Hz bodwidlh, Detmi," th" .uxi.,r4rsNR fo. u r-rer, iO,r .in,.ioiabsbins m slope over load mi.

b. Wilh a rea! block diasm, *plain how e oDtic ibe

n4essary equtiom ad !rcctdEs at eacn step.c. Writ€ a short mre on EYE PATTERN

(0,r Mrk)jsr.dJbr rne trdsnission ol

(03 M.*nCorsidd a mdom binary sequerce theE birs ffi siatistically ild@edenl d €qudlylikiy. Detemine fie porer speclul ddiry for the NRZ potr fo*t ..q,"*nturioo or thebinary sequence. Iiol the powr spectla. (osM k)

A @mputer puts ont binary data at rhe nre of 64 Iiilobns p6 sg@d. Ihe ouhut istdsined uing a bee bdd bilary ?AM systeE tlur is desiened 6 tuve a raised cosioespectruD. DehiDe tle trmni$ion bmdwid6 EquiEd for @ch ofrte following roll orradoErl)a-0.0 ird=0.5iii)d=0.75 iv)d-t.o @5M.rk)The bioary dala 001 r 0l I I0l e alplied to rhe input of a duobinary lBor with pi€code!.Co$mrt lhe pre. ode, outp( duobnry coder ourout tud.om,pcdoeI*Fer ouFur.o-(ir ilioal br O, rii) itrirla bn L Supoo"e Lh.r d@ b ercr d;rg rt6 ision, lt; k\etprcdu.d by scond dieit k redu*d ro Bo. Consrtuci {re rcw l@iw ulput. Wiite lhe

PART ' Ba. wnh $e block di.ems of QPSK taoin€r ad Eceiv.r, dplain lhe sendltjon ed

ddodulation ofaQPsKwave, (03M i,)b, The biiary *qrence 1100t000110 ls applied lo a DPSK trmniner DEw the bloct

diag@ of th€ tdnite. IlLutate tE e€.eElion of lh. D?S( sigml ed ste&h tlercsuling wayefom at lle DPSK Ednihd oulprt (03 Mnk)An FSK system Lansnits binary dara ar lne nE of 2 , 106 bns per seconA Dui.g lnesouee of trdsnission AWGN of krc n.m dd two sided powr spectral dersiiylo_'10 wtis per n€fiz is added to the siCml. The dditude of ihe reeived sil]uoidll wv€lor digit I or 0 is 1 nicrovolt. Detemine dE avelaCB lrobability ol synhol cror Esuingnon-cohemtdd€ction. (0{Mrk)

Using tle crM s.bddt orthogo@lialion goc.du., 6nd a sel of olthonomal bsisfrrctiom ro Ep6ent the 4 sicnals s(l), s,(l), $(t) and s(1) shoM in rhe Fis.Q6(a) belo{.ExpBs each offiese sigbals in te s oft\e sei ofbdis nhciios, (r,Mrrk)

Fis,Q7(c)

06EC5l

Fis.Q6(a)

b. Explain tne imp.rt nce ol g€omerric inrerpretarion of sig.als. Illustrate fie &obetricrpfstaiion of sicaols for the ce of a 2-dinensioral sienal spu". ,* , rt@i;,

,*o,a. With block diagdms of a delector ud vecror Eceives, exllain lhe wrking of a @mlatior

leiver. (03 M!tu)b. wlEi is a narched filter? Stow that $e spe.tiE ofrhe onrlnl signrl ofa batched fiher

qilh the natched siglal d inDu! is prorortiomlto the endgy sD4tral deGity oI th. inpul

c. co.sider the sisn l (t) snoM in Fis.QTG). Delemirc the inpulse response ofde tuaichedfiler. Plot the impuls €spoEe ed th. @tch.d filter oulput a o firction ofline.

tA psiodic PN seaurn* (mdiinm l g{r sequetue) of penod{Ci} = 00lrl0l00i1l0l"-. State &d yeriry lhe balre Folerty md M

b. A spt !d speotrm @muicaliotr sysien h6 the following pddelff :

Infomation bit duation = 16 = 4 milli ss , PN chip dualion- Tc = 2 mim s8.Fid Ue bn lale ofthe binary da1a, PN sequd@ lengd, bandwidlh ofrhe PN pqucn€ andpmEsing eain oflhe srstes, (0s Mrrk)

c. What t freqMcy hop spead speciu? Describe th€ worting ofa Eequency hop speadNiFSK st6ten €nployins slow-AEqueey hoppins lcclnique, 00 Mrrk)

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t6F,C62

Sixth Semesrer B.E. Degree Et.Dirarioo- Jure/July 201I

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PART - A

a Exdain thc "look ahead" featues of8086 prccssor. (o3Mtrkllb. wirl sutable emds, exrlain ?sw i6 8086 pro@ssoi (06Mrlrc. The opcode for MOV i,silxdion is 100010. D€ternire 1tE oachine laCrDge @de for rn.

Microprocessors

Note. l. Ae.r dn! FIW fu qwnio$t s.l@tirBat Ldst TllO qustions ftom each parl

2. Missi,E rldtd be sailablr asMe.L

i) Mov A!,BL ii)iit Mov AL, IBx] iv)v) MOv AL 0234h1 vi)

MOV, AX, BXMOV AX, DS:[BP+

a. Dchine atElhq the folowiDs iBtructions d. validop@lion &d flals dfer.d, if lot valid Ddtion fie Mon I

i) )oAT Al-iii) NoT 34h

iD MOV B)q [DX]

a. List tlD sLing prlbilivE. Explai! thm wilh suitable exmples.b. wdte 8086 MAcRDs to ac*pl a datl frob keybodd dd lo display Esult

Using anoye rddos, nite a prcgr@ 10 add two uprcked BCD Dmbes€- Write e algodliE d a proE@ to convet ihe 81vm fou digit BCD daia

a. Expllitr tbe intempl sttucte of 8086, Wrir. lhe iDctiotr of ltl€at fit

b. Vril€ a s.hm€ to geneEre NMI ilteEulr otr pord 6ilue1od explair.c. W € subrcurires 10 pedom llc foliowing in 8086 proessor :

it Reset hap iag

v) TEST oPR1, O?R2 vi) JNGE lab.l. (06M.*slWrite a prcCrar to ch.ck qnldhd th€ siE string is palin&one d not. Accelt th€ shin!thrcus! Ieyboad md pdnt a suiiable mesag€, s "PAIINDROME' d 'NO,'PAIINDROME", (O6M,I'What & dsnbtcr dire.livs? Eidain the sisnjficace of lne following dsenb!.diecliles with slitalle emples:i) LENGTI' iO T\'F.Q NODB iV) EQU (O3MTK)

PART - Ba. Wilh dev&l int iface diasmq qile a flowchad and prcsrm code fm 4 x 4 Eatrix

teyboEd detcl debouce dd en@da Pr@dw. U0 M,rls)b, Vlite & .nsoritbh and a prosld for e 8086 ploced* b dtiv. th€ stePPd 6otor. Assm€

ue desirEd die€rion of oiatioD is ptts.d to {r. prGdue in A! (AL = I is cloctwis,AL = O is comla4lockuie) ed tb lruhd of steps is Pssd to lha prc4dE in CX AlsoEsue tull-sle! ood. ud the delay of 20 c betqlen €aoL ste!. SlDw the nsessaryilterfncing details. 0o M.rxr)

a. Repremt 178.625 using 80 bit lenloEy rcal fo@t. Us€ hex fomar for cxPEssing the(0r Mnk)

b. Explain the fo[o*ing i6trn€1iotrs of 808? @prcesu with suirab]. exdPles :

0 FILD i0 FXCE in) FLDPI jV)IINIT (03Mrk!)c. Daw lnc foruts of STATUS d CONIROL FgisteE of 8087 NDP sd dcnne e&h bit

(03 Mirr,)

0SEC62

Ihg EFLAG

a. Draw a iinirg diagru to ex€cute a Ddory Mite opeali@ in minin@ Eod. of 8086prmssr 0d explai!, {06 M.ik)

b whar m rhe dfiemt statu ftar e giv.n ouL oD lhe bG S:. S, md S"in dimm mod€

of 8086? Eow ditr@nl coDEol sisals ee een€tat d fron this hB? ExPlah bneflv each of

c- Exptain the op@lion of Bel se.riotr of8284A clock gderator.

& ExelilEi) ERROR

v) ADS

nnclion oflhc followins 80386 pi6 :

i, PEREQ ii, L,ocK

vi) RESET 1 vii) D/ Clhe rEtul oohrumins model of dE

iv) READY

vii, M

c. l;plaitrthefollovingwithEspect10?e iupo@ssor:i) Brech pr€diction logici0 Cach. slMtueiii) SuD.. erld ehir.ctN.

usN 05EC53

Sirth Semest€r B.E. Degr€e Errmtuation, June/July 2011

Analog and Mixed Mode VLSI Design

Note. 1. Aas et FIVE full q@ttioB selectingzt l.dst TtlO qu6tl4hs fiom each Parl

2. Mbsing tldtd tu! b. saitablr 6sshed.

PART _ A

.. ErTlain the ch!&terislics ofa s@ple md hoH cn uit wd in converti4 adog!g

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ndinM DNL (in LSB, for a 3'birDoes fie DAC hne 3-bit &cuacy? r@i,

DAC wluch ha tn€ followingwfiat is the Esoluri.n ofthe DAC

00t 010 0 100 r0i lt0 l1l0 t.5623 2.0 2.5 # =3_4375 4_l't5

in in d€1ail rhe .ssues io mired si8,Bl hyouB qrh (fr{€r.<ld

'.|'nnin' iir nower sumlv md uoudine s:ue' liilliueldrrgr

Explai! .hage !@[ng DACs md Ltyolt consideralio

A 3 bi! ,sistor shing DAC M, dclisned *iih a d€siEd i$is1d of 500 O. Ana fabricalion,disnrall @used rle @tul ulD. ofrl€ resislon to ]e,Rr'= 5000, Rr=4800, Rr =4700, R4= 5200, Rr-510O, R6=490(),R7- 5l0O ed &=5004,Delemine tle IIHiDm INL ed DNL forth€ DAC ssuing vrr= 5 v, (06 M.rk)For a binary w€ighred clrnr steeinii DAC, oblain fie etpr.ssion for INL 6 ud DNL n$

(06 M.rk)

Wirh a n al hlock diagm, €4lai! the slccessive alproxioalion ADC. Dnw the relew.ibinary search w.v€fom for ! 3-bn MtL D = 101. (03 Mrk)Desisn a 3-bit nash AlC qil! ib q@lizalion e@ cslered ahout zelo LSBS. Deteminelle qorsl-case DNL ed INL, if rcsislor natching is kroM lo be 5%. assue thaiV"r= 5V. (06 Mak)Explah with a block dias@, du,l slope ifi€EEted ADC. (06 M.rk)

a. Wilh a rclde! diagrd sing MOSFETS, explain the 3 stages of a volllge @mlaralor1!, Mrrk)

b. E&lain lhe @ncept of salos nultiplier. Wil! relevat d 8@ d€sdbe the pd?ing of aCMOS mdriplid llat us$ Eultiplyinsqud. (03Mrk)

06EC53

PART_B

Assmirs fts q@lizaiion noise voltag€ to be VBB/y'l2. Show rhat av.Eging ihe oltpulsofa data conve er qiU inprcle SNR. (05 l\,tlrk)Erllain fie accmulale and dm! cieit ued fo! delination in ADC. DEw lne EEqucncyBpoN ofthe ciouil for vdios ldB ofK. O0 Mllls)DesritE lhe b dps 6lrc! inpLnentation wing a @mb filt ! ed a digiial Es@tor,

(05 M.rk)

Wiln a nal diagrh, expllin lne CMOS prcss flow for sub - 0,35Im pr@$. (07 M..k)Deeiibe the nethod of implemmlation ofa floating MOS capacitu. 106 Mrrb)Eplai! low . sinlle delay elem€d ce b. qliad sins i) pss rmislo! mdi, clock CMOS lqic. (o7Mitu)

'wilh a Deat circuil, qplain the working of a 4-bit pipdin d addd. D..{ the ciEuii ued forinplenoling l-bit irl adde!. (r0 Mrr*.)Dacribe the impldenrdion of a sqitch uine NMOS dd PMOS logic. (0r Mrk!)Expl.in th. lbcedB ftr selsrilg ihe chaml loelh of ! MOSFET, in rlrlog.ircund6iel. (0. Mrrr!)

L Explain the pmc* of bidiitg. pBh"luU e!ffier c,/p sLg. sith a it@ling cmnt desisl

or drnernbar mpbncr oal N4(05M!rk)

sole follow€r ld€l shiner fo.(07 M.rks)

(03 Mrrks)

0sN 06EC64

Sixth Semester B.E. Degree Etamnrdion, JurerEly 2011Antennas and Propagation

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Notet Antuq atr FIWfUU qaertio8, s.lectihedt ledd rWO q@sti,m l,om .dch pcrt

PART - AI a. D.nne the led dftctivity ed efie.tire op@lor ofD tuteM. Ddive the relado! forD interns ofA. (o€ M-k)D€file the following with r€sp€.t to mt@i) EEe.tiveheiehr i, AnremafiddzoD4. (o,lMlrks)Calcula& tne directivity ofthe sol@ with ihe pattem u = !n sitrO si!3{ uilgi) Escr method iD Apprcxinule Eelnod. Trte 0 < e < I1 dd 0 < 4 < rI. (03 Mrk)

2 .. T!. power €eived b, the meiyins etema Et a disrece of 0.5 lo over a &e. spde .t attg@ncy oI I GtIz is l0.8mv. Calculale the input to the &esnising &l!ma if g&in oftasnittilg mr€m ed rcceiving d1o@ is 25dB aad 20dB Espstivdy. The gair is withrcspecr lo i!oh!l. sue,

b. Explain lhe @ncept ofp.iDciple ofpattem Duliplicatiotr with aa,orahlle. (06 M.rt€)c. snow Lhar he widrh ol lne pritripk lob€ ota uil(m end-6'F;r,ay is enrr rta rlar oia

mifom brcad{ide uay. .: (03tu s)

a. Explain lhe diat mode patleh ed th€ ph6e vdocity of Mve

b, Expbin the working of log leionic eLmac. Writc a noie on Enbed,Ced dd ?lasna ni€M

I of2

3 a Ddiv. the led cq@rio, !d r lir@ @y ri, strrpic loirr_ror.r,Tq of eaiDled speiig, Ex!1rin ile !p4!atio! B i) Br.6d ide amy ii) Eid iE'iiay. , .

b. 4 GoEopi. poii! $!res e pla.d Xn a$!t. .fte po*r is."SL9 t'_glr-ed a pnae diferece of E1 b.t*d) adie.r el€bcdl, dc

(. Usine et&l merho( *k ulak lhe dielarce betwtr elments of brcad{de 5mv s,nose bed*oUi U.n"* rs

"U I ro*d b be 450 ar a tum.v of I 0MH7 nree ;e s eleme.r

m lte Ma).

a. Sbniry Aom the .oncept of nBeaetic vetor dd electlic scalc poi.ntials, derive theexpressios Ior th€ 6eld omporents of z short dipole fo! both em6ai @ dd for field

(r0 Mrk)b. Wnteeteonfoldeddipoledtem OaM'rkic. A half kye dipolc in A.e spee is ndiating wilh a crent of 1A (d, at the ddeie

tc6i@l' Iind the ogle 0 for mdinu field sEenglh ed delenrine the field shength &dpowq density Et a poinr nib Aom lne mtem ar the (!respondine aDele. (06 Mrrk)

PART-Ba. Daive Fd fiel.l expEssioB for sall loo! etema, Oo Mrrk)b, E,\plah th€ diffmt t)pes of 6t lguld ed cncde hoE tutema lor etarguld hoh

miie design equation for fle m8le. (06 Mrtu)c. Exllain tE sldl md complmenirry atof4, (06M!rk)

prclagation on MonollldO0 M.rk)(05 M.rlc)(05 MfI.!)

' 068C54

&plai! lh. pDr6eiti@ of wve b, Drlu of i) SuhG Erc i, Difr&ti@ o0 M.rk )rd Topoaldic wwe !tu!.!Btiot, !!w ltEt tte 6diq of cta.tw of pd! is . nDEiidofEt of otEge of rcn&ri@ indd wih neighi oil lxplln lhe dt&l Prc!6grlio! of wE.

o0 M.rkr.

ExDlaiDthe E c{tei@ of INe rBflectiotr a@ iorosptlr.Fd lolo6Di6ic mre EoDlr.tioa shov thst dtdu.tion fa.tor i5 giv@ b,

106 [r.rr.r

c. A high 6ql@y Edio liDI{ ir grlblisbed 6r r naB. of 2oooto. I I ttr E0ctio Egid ofth. ionosDh@ k ar r h.ieh oa 300kb od hs a qitiel t qu@y ol 8Mllz. C6Lrdtt tttrAinM ulabb A.q@cy. Dsiva lhe fotuul5 EeA

I]SN 06EC55

Sixth SeDester B,E. Degre€ Exsmimtior, Jrneduly 2011hformation Theory and Codilrg

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at t.N 'two qu.stiors Imn .och port

PART _ A

th€ inlo@adon oontenl of a aessag.

expre$id fo! aveBge iifomalio,

nodel of. Mekofi sole in Pig.Ql(c).

is a logaifihic nuc&n of ik prcbabiliry(06 Mark)

contol (entropy) of long indepddent(0,r Mrik)

Fie.ettc)Frn4 ii Stak probabrllt} ii) FD@pJ ot t-Er o;ds soue @ lemrd ord.r:ou.e Hts,udHry) iiilGr G jL)Filcienc) ajd rcdundecy ot 6F ordq souce, (0vrrk)

Explain ShMon eDcodine algodtnh. Desjsn e m6der sing Shjimm encoding a,goiirhrfor.a she \n":g r qvo, ok d poqbniry srari.Ls p t r,8, i.t6. 1/t6. 1.4. 1.8-\. I,-rrodLre eri:(i.r raEdu.b., {rs{D, )txplah wilh a d.al bl(r

'liag@, rhe oigibl comshi.orion sysr(r indi.atrns tte vdoL

rypes of comhication chmels. Aje, de5ne lhe v&jous pe@bilni; ed nhenr.laiioNhip with rspect lo coding cho@I, G0 Mrrtc)

A $ue eniB m independed seqEne ot spbots rroD & atphsbel cotuhiing of 5sldlols A B. C. D dd t wi$ pDb3hliri8 p - I 0.4. O 2. 0.2; O.t. 0.t r. De;mitrHunile,code.by. i) Shiituu rhe @Ebued srmboh lugh s posibh. iii Stunilg Urcoobued srrtDl a lo* 6 pGsibte. ijir Find mdine efEciacy

""a ,rio* o Uori U,.

TIE inpd ro rhe ch*.l@sisrr of j ,*m x = I xr. L. x,. &, -.I "r "r*, #rH:lr.udqsY { y.yr.).. J. t. ahe n M of rhis ch"drt is dvm i! i?ic,ejGi.

0.250000.1 0.3 0 0

0 0.0, 0,t 0

0 0 0,05 0.1

000.050ute ll(x), HtJ, H(xy), H,

ii)in)

f dara lrdmbsion ed nuturl iDfmarim.l .alacity, cl@d emciocy and redudecy.

I of2

06EC65

a. Dqive e exlE$ior for ct@el.apej, ofe bilary Eralw che@i. (05 M.rk!)6. Explair the shturo0 Hdte) lh@lem md$,i lib . ...s

B +@! =r,aa- ro3MrrErc. A CRT t.Eiial h ued m ok alphE!@qic dah idn

iyr_n:*.-Ff 'r:-H*#;#ff

:#,in,lffi.-f Sft $#.ilil !,q uE *a*g. i,,ro-auotr pn cha&te .n, r rd $e chtur.l caD&itviitl Fildol\ewihu; Etesr khich dB dsa ce be hr h!, * .;:l::fl

PART_f,

a Exphir the turix EpI s.nEti,o! oflM bt@k codsb Coeder . 16. j ' t@q btat( code whok geEdor Dablx i. givh b.toq.lr o 0 r I tt

c=Jo r o r , nllo o r r o rl

::l:,]j] * *tr._ ii) AII uoi!. q.isbE &d d d.n.s ,iir MiniM w€ieht &d@,Mb (!s1e n) rrit.cbal o'Eix ,,o." l" *..a*.i^i- i,-.?lii" ift?hffi.*:;:.,.,*rmffi:::*:trI{:1";.[;:,r".ia,d(x)=,

+x3.

" I i';l*H.:i'*x',"LH's'lcrarorporFobiar sx)'. * -,,,' " -'1',ITltil, il-?i ryHli lr.T,f x["8fi",ffi iri ; :;,;:[.lffi1T:lii;

L{plain ,oe folowilg cnor conror odes: rl2 v'rkr)

ii) Shoftncd crtlic 6der

iv) BNI ald ladom e@r @ftcrios cod*.

..T*T,*li,"HIi**. code witrd.,-(r r o).so,-,r o r,Li I PiDd EE effcEtu;ur) DEv Ue encod* btoct diturv) Iind tne serelaior oaEixvl lind rtre codtuord aor lhe bc$ae. eouenc. i I r

Ltufer dmaiD appmact. I I 0 l) 6ing tioFdollM tud(r0 M.!k)

uod80)-01D.

U8N 06EC661

Sixth Semester B.E. D€ge Eramination, Junr uly 2011

Programming ln G++

Not , Antuer ary FIWfuil4@ttiols, sel.ctlnptt Last TWO qaeslobsltum.och part.

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a. Explain the EioN looping constlcts *ailable in C+ wilh their synrax. 0? M r.)b. Write a C+. Fo8!@ to inpui a *ries of inte.r n@b6 and sm thed ad te@iBic when

i) uing for loop ii) Bilg while l@p. (0s Md.!)c. Vlite aCri proemto addthe l6t l5 ev€orub6 md disDlay theirsun, (05M.rk)

a. De*ribe lhe eriou g?es ofolmtos avdilable i! C+ wili exmple.b. How do you pss e my to a tunction? Explain wili exeple pmslm.c, Vrit a Cri prog@ to calculate aE ud painetd of a ciel€.

a. Wtll d. th. tbE rcquircd staicmots for d.ry fiuciion in C+.? Wnt€lo add the valne &m 1 to N uils Frclion (N = lO)?

PART _ Aa, Wlal e pEproksso. dit.tives? Wlit is th.ir nudio?

PrePrcces$! dirccliv.s.b. with e emple, exllain the drt Epes ed veiabt.s in C+.c. Writeaprcgamtofindlhercois of aquad&liceqution dr

PART - Ba. D.fitre .la$ and object. With lhe h€lp ofg.nfrl syntdcla$ objed meys 6d v€cloB.

b. What @ cl6s ootrsEu.to md cl6s d6fr.ror? Give*mde pregm) to frd ilE ldgth of a srdng.

b, wlat @ rhe advdnlges of usirg tulction? Exllain nston pameteB edpssing nechdism (with exmple pogm), uins swap, two integer nub6.

Giv. adcast six exmpl* of(07 Mlrlc)(0i M,r{.)

+ix+o=0 uiog twiichi &d(o? Mrrk)

d*cdb. a clas, cl6s o@b6 ed00 Mrk!)

{r checl€listics of @ch (rtml8ho0 M,rtr)

qplain the Foce$ of opqator00 M.&)00 Mlrk)

a. w"d is opmrd o\sloadins? WiLl dr gensat synd

b. .wn& aC+i progrelo overload lh.++ ed- opeattr,

B. Exp,ainhownewatrdd€let opelarorntug€n6oryaltcdiondynmicauy. 0.Mr*s)b. Wnte a C+ Uogtm to deoonsrate the rcw md detete op.Btd in overloading, (0fMr&;.. wlEi tu iihentance? Explain difreEnr rr!6 ofblrilmq (10 Mrrr,)

wliie short loles on th. Iolowing :

a. Public, lnvate dd Drctec..db. L@al slaric dd slobol y{iablesc, Bse cl,$ ad derived cl6sd. R@Bi@ &d inlira nncti.n.

USN o5nc662

Six.h SemqterB.E. Degree Examinitiotr, Jure/July 2011

Satollite Communlcstlon

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tlot t Answet @! FIW tull qtestiois, sddtinqat l.zst TWO qu.$tions I,om etuh pan

PART -Aa- Explai! teqrclcy au@atios for a salcllit. @6Mrrk)b, Vil! suillble diagm explaitr vuiou defi.iti@ of tetus u.d to desdibe the losili@ of

ihe o6it wirtr Hp.ct 10 earth, O0 MrLi)€. Calculate the apog* dd prige heighrs for lhe o$ilal ptuetcs given e = 0.0011501 @d

a = 7192-3 tm. Assme a n meanhodiuof6371kb. (0,1Mrl.,)

a, Exllain plat @ olbit p.rtubatioB lh.,r tol place becsue ot non{phdicity mtue ofeaih. (07 flrrh)b. Dedyc e expr$sion ftr gmsiation ryheieli. (0rMrk)c, Explai! in detaillhe eadl eclipse ofsaleltite d u rresft outage. 00M.rr.!)

a. ErFlain what is mset by EIR?. A satellite do*Tli.l ar t2 cHz openres wifi a tresoil_ po*r of 6W d a etem gain of48.2dB. Calculate tE EIRP in dBW. OsMdk)b. Lisl lhe loses sufeEd h a sat€ltile link? ErTtain each ofrhm. 01 Mrk!;

a. WlEtisneorly sei.lhe atritude? Explainr*otras ofatritude conrol. {06 M.rk)b. Erylairnoh€ e whftl stetilizationofsarellire. 106 Mrrk!)c. Wilh a leal bloct d'as@ explain TT ad C albsysreE. (0s M.rk)

PART - Ba. Explain with 0r lelp ofa ret block diaEld of home teminil for DBS TV/FM rceprion.

b. wlal is ftster mrem rv systen? widl rie help of a diagtu ,.,.,r. - *-"tly"THlMAry s)6reD. ,oo

^r,.r"tc. Wilhene illtrsration exptair the b6ric corcell ofTDMA. 10, "*"ia, ExrbinM*ing ofslade srs|em. (D! M.rr,)b. Erplain the Irme and busl fomac for a IDMA systeD. (lz M.rk)

a. Explain frequdc] md loldizalion to! dilecl broddcasr srellil. edices.b. Explai. itrbriefdiflemt tlTas ofsacllile bobile swic*. !a:.Writ. notes on I

a. G?S

c. SusFclEo.ou ortir