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Subject Syllabus

CSIT-304 - Digital Circuits & System

CSIT • SEMESTER-3

Course Modules

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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, D, T, 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