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The _bondlimied signal will bt ovevsomplecA bythe —anenple 2 aw! fo _one 0, Quarti ounds off eas quantized voltage quanti zatior levels ce | _____}a1— |ere nea bits sample 2Nmax-Vmin = aAipitel sigrel 40 Tere _ =Re {ka is ove used ~» Te * cd > ew om 1 | vse tHe x th Be rar tae oe chommel_bavdwidhe “equitemenk will decrease will _inevease. F_Amsg signel of witr= SeosBnudt) is transmitted rough s ee Find all the pavameleys of the System UCR, te, BL CWmax, &) Renee UKHO o (O25 Be . NRets= 2fme BkKHe Tse sw 1g ee Be 12 8 au? Te: % Ruentse S xs $s © uokep: May pws Rb=4okHe, Te= 1 = 20ms. TOR s msg ignal ff peak voltage varying lei -2V and 6V , bondlinnited to lok 1s trancmitted 40 \ ec system | sampling vate is 251: higher than ue SO. S ae NEO facta 12s NB i 2 (28K 2fm = 2% G fs< 2ske : 2 > = U0 Max Bue 250 kHz Geyinterfered , orfeve - ; a e eis a e_Ntceived zern and zevo— eceived one can we exepected. Oy co? to) ap Usually no uniferre spating is expectsd le —tegt srodye yepeaitys over a channt|. Noise in POM Systems 1)_Channel noise 2) Guertization —nolse by eliminated using RRS. 9 AL v1.9 Bel smu owf> nest BOT CDisadv of pcm) aut as nto owt Bw will inoreodt - an Ge decyeasts con eS pond ly, channel _Foy Pam sysb L Date .... : tization noise powty rast suB ove) _ ba 3 wee Sinusoidal modulating Signal swing blw-Am ts Am VS Ba tes tafe (nfm tp Ame) ca wet a Da. 2k ¥ » 2 Quantization noise pow (Nq) # Powev[ Oe} « mean square (Oe) + Efoe] eR . “ Ss H “e aoe $ Feo passessing Assume ‘ge’ i » ran an ee ' vs wi ' A - Tas orts & x teed sats slow b Nq= a 2 Nae 1 [2am] 2 4 Am = Am lor Tah 3a Pe an [. an Ss pm ¢ 3.2" te Nec os = a Ny A \ wy O/ As nt? 2? LT 2 Gel 9 Nad © (S \P_ But BW T disadv- o tr} ua) an ate $2 (3 \2 a 2 | tolog (24+ Loleg (21 SNOl5* ta tae ek) ie al, = (1-28 + 6 02n1 dh — S\ + (1e46n)do | For _net S$ 2 Fsdo Walaa | Ny } nes 2 1xadb Naa" Z bee reg) deere change IS? srgrale ae gly conta » TS eS. vite ~ ony adjacent samy : Vina s 6 SALEBY Leth every Bees Ves !0 gL Faso a Bp. ymonsten 2 dank bit J 4 4 vet 3 8 in Pom! is__ qua otion noise can be Aecreand t+ Th prem, Dynarrte Rang coe) ef daa an to decries quontiestion wes eeral MofS eenmay Ss Ne Ms} = m(nts)= cnt) — © en Cts) = (otsl= eqgfats) -@. P ea th tw (Prediction tile Yps A Crts) + egtnts) macnte) = Atnts} + e fats - 9 (ots) = Abas) + ments = cht- qtate) may GetsJE ments) = 4 Cats) ents) = ments} = ACnts) Th _dynanas gt of e(nts) to be quantized will be sortesponding quantiz ection Wt also be very small: 4ints) =e (nts) = eq (nts) {Prediction KMRY) ive = ma(rts}a ments) ~ 9 (nts) 7s ev > G very small Gan be negheaedy a mag (nts em (nts) Ak pedtic. tims instant , dee previous plr_of ta given signol do SubeiGent Hee extent will be availae wid dee pvedi ow rehicds, Signal e Far) @ (oer 0> eqcnts) + hents) ill oe (ots) = ents) - g (nts) + Cats) sul te Wey small to agnih 2 (ats)- Ants) - aq Cnts) + oh (At) compared to PCM hanemittey. The = ke then PCM. ba Ms) 2 inate) = 4 (nts) Arauwbock of pcm is ik ts oauch, tomplte e ‘eno! 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