ADC SUBJECT - Modulation part 2
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Subject - Analog & Digital communication Personal Notes by Amitesh Raikwar Qualification - PhD Scholar Indian
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ADC SUBJECT - Modulation part 2
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- 2. he Mare Jrnnissa'on eicsenss th mplitudeoduletin ytem onlg Tpui in elicathat enly S333 d he tah/ 'cdband he cset rd i 2 wated P S B wil Ldl Ca 3333 PSB-9C Ro ubeid bandSup reued CauieL) SsB Single SellBand wih Suprened Care. Pt Raip P E P + P s . PtPusa t Pse LSA USS 3RA
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- 11. DATE sadio wana Bo ad caot idea Jn pouen han nedulaien 60 c a l l a l o k C a i e 2 P . M =6 6 P P1tM 2 lo Xiae P +0 Ts .47 kw
- 12. p r e e d P SB- SC m Wm We n rWc
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- 14. paae bind apalb Artenna f l t J + ) a ut. . Z Wm 2wC -2we - Wm
- 15. 3db say Fn beund Aighosepren F a n d Pand HPE High posa/tet B WFh -F 3PF Bundpan fil 300 Hz 33 kHz
- 16. pand Band Rgeh BRE) dkhon TheFxequen cy phare decaleSClltrsignalin siyndhtenegodechen mut he idarhical ta he oanited cauiel. in fpg wwe dutastith n he dehecfed fny dlilfeuntu Cxectea Output thACCale
- 17. Syndenaiultectia whin hes SIgnal thuatph a lou fpa7plter elha Pasred eutftaganyg ha Gtf 2ehhea asouhd 2w au Jeum Lilteed e,t)=lft) ceLcdan1) Case Ct)-
- 18. alt) The cqpnahenshewshat the autyuot multigli ed by cos.p nedependant. Thee no dotstion. alhet thpordy bennotrien when 90 h nouno Codotue_ nll Jet_betawre he signal 2 0 not egual A 2eND l t ) f(t)Cas wt. ThL mulbphgingfadir Cas Aw A im deyenden the deteuted antpd Adate Mhinap in
- 19. DATE Case Au-o Ame idoeA alt Cad ) t - capnahR cuutp uut multiged by cos shewshat the nalepndart. hee U_ no infosfon. alh thgngondy odenuohen when I0 hi n knoenco Cedenethue mll eleet_be be.tause fhe signal 2 e o Chovge n AeGAeniy A et)_ a f(t)Cas wt ThL uwlbplying factar tim dependent dak dedeufed autpu ces But AM thshap in
- 20. Case ( ) hmeesue psapl abantatten e psdghen uftrpin intShe dek fedolga pua ne get a lo tos fed auput alfenuated in he Ae co nen
- 21. Paiall taai iute Pilet For ovecoing Jhe poobum phased gnseny in Synchaon cius dutehion e ran mua Snal along meolulatsd ignal S1mellaumeunl Cassjen Cuith e he cAmsmite Thi Small amewt Cassie Signel no w a pilot CesieA Thu Cytem r armitted auieal olong with ad iedesed pautiall ureNedpaseis Cassie A Sc Signal Sy1ems AM-SC
- 22. DATE RM-S SyTor h nedulehg singl fonz which medudad Syatem Laru t he speutrum cThe madulahe P EM Ceu Wnt Ct) f(A) E ceswt bm C Wpt Cleb Enbe 2. ce w-Nn)
- 23. tmb Wm ct Wn he nadulairg slgnal d) in AM- a mulhtnna Spnalinen by he lanal iZ) nedulate Pot hnd asduAh 2 0 d d a h (t) =_E au, tt cas , t t AM=SE Ar z l t = _ ( E Car_ w t t L a s i
- 24. DATE: 7t-sT 2 2 EEc Ce,tWe)E +Ca (ueWt 2 Cen Cwtue)t + Car(we-) 2 utW ECiN-W WctW z 20
- 25. In amplhude Mo dulotion vo /tage gaven by V So1+2 Ca J0dt +0 01 3oot) ca 10°t eeyerny sate al componir Predtin he vo/tyHe find modulotien moadulohry vo ltage (ohot e eufire medulaton indor v indoe eCh VeSo TZ ce9 Jo0t+ O-01 Ca93Xo0 t) Ces 10 6t / = EC Wtf be m, cast Coy Wtttem2 Ca w2t b mg Cazwgt:Cas c p t m, ca W t t M2 Cas W t Conved t = / 0 6 M,2 Ma-O0 Ma +M =35oG MaJz+0-0 Ma