System level analysis and design for digital and analog and communications systems: analog-to-digital conversion, PC and delta modulations; Digital and analog modulation types, demodulation of AM, DSB, FM, Noise in DSB; N Dimensional Signal Space, ASK, PSK, FSK M-ary communication, Spread Spectrum techniques; Detection techniques, matched filters, receiver design, link budgets, signal to noise ratios and bit error rates in AWGN and fading channels