CSIT304 Digital Circuits & Systems

Units

Unit 1: Number Systems & Boolean Algebra

Review of number systems Binary codes Boolean algebra Logic gates Karnaugh map

Unit 2: Combinational Logic

Half adder Full adder Multiplexer Encoder ALU

Unit 3: Sequential logic

Flip flops Edge triggered circuits Shift registers Asynchronous and synchronous counters Semiconductor memories

Unit 4: A/D & D/A Convertors

Sample and hold circuits Voltage to Frequency conversion Multivibrators IC 555 TTL PMOS CMOS logic

Unit 5: Digital Communication

Nyquist sampling theorem Time division multiplexing PCM BPSK & BFSK modulation Shannon’s theorem