Digital Systems

Review of number systems and number base conversions. Binary codes Boolean algebra Boolean functions Logic gates. Simplification of Boolean functions Karnaugh map methods SOP-POS simplification NAND-NOR implementation.

Combinational Logic Half adder Half subtractor Full adder Full subtractor lookahead carry generator BCD adder Series and parallel addition Multiplexer – demultiplexer encoder- decoder arithmetic circuits ALU

Sequential logic flip flops S-R J-K Master- Slave racing condition Edge & Level triggered circuits Shift registers Asynchronous and synchronous counters their types and state diagrams. Semiconductor memories Introduction to digital ICs 2716 2732 etc. & their address decoding. Modern trends in semiconductor memories such as DRAM FLASH RAM etc. Designing with ROM and PLA.

Introduction to A/D & D/A convertors & their types sample and hold circuits Voltage to Frequency & Frequency to Voltage conversion. Multivibrators Bistable Monostable Astable Schmitt trigger IC 555 & Its applications. TTL PMOS CMOS and NMOS logic. Interfacing between TTL to MOS.

Introduction to Digital Communication Nyquist sampling theorem time division multiplexing PCM quantization error introduction to BPSK & BFSK modulation schemes. Shannon’s theorem for channel capacity.