ADC Unit-1 pdf notes

Note :- These notes are according to the R09 Syllabus book of JNTU.In R13 and R15,8-units of R09 syllabus are combined into 5-units in R13 and R15 syllabus. If you have any doubts please refer to the JNTU Syllabus Book.


Analog communication,noise,effects of noise on a signal,types of signal,correlated and un correlated,types of uncorrelated noise,external noise and internal noise,atmospheric noise,extraterrestrial noise,solar noise,man made noise,internal noise,transist time noise,thermal noise,fliker noise,partion noise,burst noise,noise calculation,modulation,types of modulaton,need for modulation,basic need for modulation,practicability of antena,to remove interference,reduction of noise,multiplexing.


Digital communication,need of digital modulation,advantages of digital communication,disadvantages of digital comunication,basic encoding techniques or digital modulation techniques,amplitude shift keying,coherent ask detector,non coherent ask detector,frequency shift key or binary ASK,FSK transimeter or modulator,fsk modulated wave,fsk in the time domain,fsk reciever or detector,non coherent fsk demodulator,fsk bit rate,band and bandwidth,applications of digital modulation,binary phase shift keying,BPSK transimeter,operation,bpsk modulated waveform and phasor diagram.


Data and pulse communication,use of data communication network,history of data communication,standard organisition for data communication,some of the standard organisation of data communication are as,internal standard organization,consultative commite for international telephony and telegraphy,institute of electrical and electronics engineers,american national standard institute,electronics industry association,internet architecture board.


SOURCE AND ERROR CONTROL CODING,Uncertainity,Huffmann Coding Techniques,SOURCE CODING,Entropy,Property of entropy,source coding therom,Huffman coding,Input,Output,Extended Huffman coding,Extended Huffman codebook,Channel Capacity Theorem,Channel Models,Binary Erasure Channel (BEC),Binary Symmetric Channel (BSC),Shannon capacity of a graph,Noisy-channel coding theorem,Channel capacity in wireless communications,AWGN channel,Frequency-selective channel.


Multi-User Radio Communication,ADVANCED MOBILE PONE SERVICE (AMPS),GLOBAL SYSTEM FOR MOBILE COMMUNICATIONS (GSM),GSM Services,GSM functional architecture,System architecture,Radio subsystem,Base station controller,Mobile station,Network and switching subsystem,Mobile services switching center,Mobile services switching center.

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