UNIT-1
1>AM Voltage distribution
2.am power distribution
3.principles of am-modulation index,parent modulation
4.am phasor representation
5.frequency analysis of fm & pm-principles of fm
6.bandwidth requirements of fm & pm
7.concentrate on drawing the waveforms of am,fm,pm
8.problems 7 two marks
UNIT-2
1.fsk transmitter and receiver
2.bpsk,qpsk,8psk,8qam-waveforms,constellation diagram,phasor representation,transmitter and receiver
3.carrier recovery & clock recovery
4.dpsk transmitter and receiver
UNIT-3
1.pcm transmitter and receiver
2.companding
3.delta modulation and adaptive delta modulation
4.dpcm
5.inter symbol interference and eye pattern
UNIT-4
1.error detection methods-vrc,check sum,crc,lrc
2.error correction methods-fec-hamming code
3.serial and parallel interface
4.data communication modems-types->synchronous & asynchronous
UNIT-5
1.ds-spread spectrum with coherent bpsk
2.frequency hop ss->slow and fast
3.multiple access technique->explain
4.tdma & cdma in wireless communication System
5.source coding of speech for wireless cmmunication
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