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PCS Assignment 02

The document discusses various aspects of amplitude and frequency modulation, including the functioning of diode detectors and methods for determining bandwidth in FM signals. It explains the capture effect in frequency modulation and compares advantages and disadvantages of FM transmission. Additionally, it covers the impact of noise on FM signals and the generation of FM signals through voltage-controlled oscillators.

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0% found this document useful (0 votes)
45 views6 pages

PCS Assignment 02

The document discusses various aspects of amplitude and frequency modulation, including the functioning of diode detectors and methods for determining bandwidth in FM signals. It explains the capture effect in frequency modulation and compares advantages and disadvantages of FM transmission. Additionally, it covers the impact of noise on FM signals and the generation of FM signals through voltage-controlled oscillators.

Uploaded by

yujisenpai2050
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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The Simplest ord most idly used amplitude demodulator 1 the | ode detecon. pr an dice ctecer Am duneduleiy degra %4 a1 Alown th ty fm o Baral “iter a « 4 5 us High feel maeduattan of He final RF Awe fg, fee 3 fe eats es a a sorghy Votigge Ue OF RY uth Heal Cea T 4h Siam tn fig, We Am signal 45 wanly romwormer - coupled and : Hh ag i total amied 10 laste hit -wnse meetin Grade Cmigting OF | sn ee pa od R *) hob eee be yuh fF Po pow to te Fal Sage? Preceit —medutotion > 8) pee > ww ing fra fn He a the feud power Compare Gnd (onhant foqutngy —medtaion and hake tacaen Fuqutsdy wedalotlen (6m)'> 214 1h a fem of age atatovien In ukich fhe SaMtontancous farqungy 4 vortd Wneany uit ynomage Signal md) fs te + et mtt) fi) tor egengy (Un rslabed coir) whee f= t= foequngy pon 1 Hy Dyer Iniegiofig unt 4 ook yulityig, Sa" dr eauaten we gt J c ‘ 4 an RU) = ja tedt fm tats) d 4 0 ty 2 radio fron com plde ‘ whee Gia far fi) ot = age . cur, on SOU Oe + Qe ‘fnwnat tue Arquenty —ineducdion sgnal 1b give by su) = ne ws (0100) 4, one eh (antet + amkt J mud H) 6 1 ) haw medlofin (pm) 2B a tim of angle sudan Yn which The inMantansah ougte B} tena uth he motige, Signal aate + kee) het gartct > angle unmodubaed ¢asvier od /volt +h vost bet Hp > Phase fansiivity oF rnedulaer ta pho —madatated igen 4 gin SU) = AC cos GU) enc on [antet + kent] AO Explain he too meted) of detaining the bandtath of am Fm wae? + Cooks Rae Covten's Rule 1s urd metied 4p Givate He bonduttth Gh on FM Signal TH Stata thar the banutdth (8) 5 approximately twice the Sum of te foquemcy deviation (At) Ord the modulating frequenyy Um)s Be 2 (At ten) Simple ard widely Tis pute provides 0 food Bimal a the banduidtly for meat fr signals really whe he redatadion tedex (BD ia lage © Gem _FuncHion method The este funtion meted —Tivoles—omalyingy He Fn Signal using Bem functions , oh mentioned — Eovifere “THs welled — provides Qmove Quwralé eiimate OF the boandustd tty by GenBtaentag the umber cb Sigrticant Side bars | Te | | Stgtticant badusath can be lemind by entity He Sidebonds with omplinde The panda thin Catal, ‘= Be avdm where on 16 the ef spear Sekbarda on one. Sdt OF |e canter fequ | Beth metheds — have season , Cavhon's Yule 14 ¢ Bestel furxton method of the bandutdth, GPedadly ard mere uly td mere occurtte emote fer gral mreddatdu “dfces, ©.) wilte . Write 0 sheet fn $88 transmition has Peaks , te Kral omputet what iA the Tip PEP dram a cumd of 138 The Capture effect % a phevemon mm Hrequiscy modulaifon (Fe) rectver) chee Songer Spal * capt * the ether, SFPIHINY Ueahey Signads m4 Some quincy « uhen eo | tone SMyralh ore pews Ge He Yee TIP te Soyer tecky —entt Sigral dominates ; ord te receiv ity rejctig the weaker Sirah, se tHect 1S btrecal tm reducing inectrente tom weaker Signoll » but Ht cam Alo lead tp tomb of Teeeption hem @ Shonger signals, Y& hot the ind one. Te Gayture ettect Ho. chirackeiatie ‘of Fm Systing and bach to Fopriing — Sigral fo - teige Yak ed | vedacing Ge -canenel leone so Cokwate he xP PEP | Pee = va. Bs Goin Given values Se, He SIP PEP iA 295 watts Explodn the Comept of FUL Ui block diagram % crplain Fm demeduaticn Wom 3055 AL AyBtom «Te Gn be uted fo track * the phate and the fequumgy ot the coniey — Compentntd chan Twtemtng Signal tance te tatlal device er the demedatation oF ong rrodalded sigrals » itn Sigrnl fo wene woo TA Fook = pL hay 3 bee mente 1) A vatege —Conftsed ofctuske Cvee) 2) A muttptin ABseg ob © phase deeclr 3) A We? filha hich 5 0 lao Pom Hey 4 tt Frequingy of KO Ge be tontretted by te, external Uetage Twa veo, the exductien fiequtny foxy nearly with 14 Tapa vote * The catt ct the multipler 1S Passed through a Ie Pass filter Gnd den appltd fe de HP tt He veo Sus veHoge then Changes te equ of He EO ind Heep gt Leer Jecked Conduct. sa) =feSa [nett 6.) 90 Fm demedutation using 3C565 PLL 4 The Fr Sip Topped te Ye sone oF te PL The Phaye deter Cempares fe phase of the Fm Signal ith the phase of the «Ke Gut a The kop fieWs -HHe culpa CF He flase delet “and the uuliing Grint eHeye 1% reper fo He -equenty deviation of the Fim Signal a lecked te the Frm Sgnal the oHoge 15, crginal medulatirg Signal ard filtered to Preduce te + sine the Wot 0 wepkea oF the 4 THE Confrol veHaye 14 then amptted dermodoted —tatqut the PUL Preddoh GQ Sing Gd CHfcdTve UR Hp Te fe deed val modulation ‘Signal trom the Fin Caniet extract te Unt te adientages ond dinadvanoges of FO 0% coergond fo fem Bavaniggen of _ fm: Gm romeition one FB Compl yeceivey ore Bimgle ond detection 1 tary ae fim wos con travel Longer disfance tow bandwidth 4 Requies large power + Gets attested due 40 rene Requires Lage band width vantage of Fin 4 “Tranbntted — peur caiemains Condtant Tm ‘eceluod axe Tmrmune fo notse + Goal Carachore effect x no tichy of | Signal { Z Disadvantage ot Fm FTE use foo much Afeetrum Sree bandatath is wiser = The medulaty Index com be hept lout io wmivnmige the ban dutty wed. + The eras Explain Se 3) poise —SvePreAvon etlects of Fon SF cine ty tyterterence gentated by Hghning | motors, Autonaie Jgttion ayes, ont Org Prucr fine AcoWehig tat Prdizes Harsient Signals | 4 Such reise 14 tyPally Moway Seth ef votloge with ory | bagh Frequencies + ey add fe 0 Sypat and Intent ult H, etfect of uch votxe on On Fm Signal ib = The Potential fhaun ta Hae ntreduces 0 Phase Shift 5) how to vise when wine i adled fo a Sgnal, Ht Com Coure 4 Additive noise We sigal’4 phar to She Yandomy. sad as a veder iH the + vedee 0a Camper plore. Heading Sreter vector oe original fhe tredation $- Ay He rete Syral votes rondemly te phase angle WF tnt YG Signal elso varies Yandomiy . Thin Tandem Those jn die sigral. + Spat on Sgral The phase Shits Cltect the Sigel’ Gualily 5 particulary tm System that ely Om rmeduain Con couse phase SHA Introduced by 07K On fime inbrmation, BH) The Sued Hon Fi reetver hax am S/N of a2 Te meduleding Autrey 1S ESky Be exturn Pemttted deviation 15 HKHy What dre () Te Arun deteton comed by the nae td We tnprod odput SIN? ‘input SIN = 2 roduleting feng) (fm) =1-SKt, maxt mbm perittied deviation (ae) =H Hg, > calculate te Wdutofon wdex (B) Be ae im = Wbhy [Neh = ata 0) _ | Gltate the equray devtafen Caused by ese ins tn J éstnyt S beskniy [303 r0-5636H / S38 Glewlate the Improcd cubzut SIAL Cave = 3B" (sin) = By Cogayaxad + SAF Igg Kae > saa G)_Freguaney devotion camed by note = s36Hy ©) Treteved of S/N: appienmaldy 54.23 $0, Explain — frequency modulating wing TC Wo Custig Neste To) a A Srequemy mredulohr 14 @ arse oak Vor cancer Hrequenay with te meduabing Signal, an adterdarce ¥ The Carver ih ogeneraled by either am be oF 8 Gryal ORCader — Cieetits, Generation ot Fm _ Signals. Th dinect Fm Spm he TAtarlaneous fiequinty ot the — Carvtey accordance with tre ImeHoge fignad tase Uesied —divecty th by means ch a deter allel Voltage Controed oadtlaby’ (vee) \ ofenatton a THe mallabing the weeee Signal 5 applied hk He topud pin (ns) of WA detereined by ected The Ve greats 0 whore equine votlage and the xfemmall ¥ehinier thrd Capacttor Conn Signal te edt 4o fia 6 ond 3 3 ps He modulating Signal age chorges, the frequency eh the eo olf Sipyal changes Productag tn Fim Signal 5 Tie Fm Signal i then bubfexed Gnd ampbitied by the twitnnal butler omplien ina “The NEGES 1B a versatile TC that Gn be used ely oF tng FO enh, Hquugy Symbettaes 5 Ore duplication, dome generators ,

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