Fourier Transform
INTRODUCTION In the previous chapter, we saw that Fourier series can be generalized only for periodic signals not for aperiodic
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LTI SYSTEM PROPERTIES
LTI SYSTEM PROPERTIES AND THE IMPULSE RESPONSE The impulse response completely characterizes the LTI system. Here, we will discuss system
Read MoreLTI Systems
LINEAR TIME-INVARIANT (LTI) SYSTEMS Systems with two basic properties viz. linearity and time-invariance are known as LTI systems. These systems
Read More8085 Microprocessor
INTRODUCTION The most important technological invention of modern times is the “microprocessor”. A microprocessor is a multiple purpose programmable clock
Read MoreMULTIPLEXERS
MULTIPLEXERS Multiplexing means sharing. A digital multiplexer (MUX) is a combinational circuit that accepts several data inputs and allows only
Read MoreCODE CONVERTERS
The availability of a large variety of codes for the same discrete elements of information results in the use of
Read MoreADDERS AND SUBTRACTORS
Half Adder The half adder is an arithmetic circuit used to perform the addition of two single bits. The two
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Read MoreCombinational and Sequential Circuits
INTRODUCTION A combinational circuit consists of an interconnection of logic gates, whose outputs at any instant of time are determined
Read MoreSudden Change in Mechanical Input
Applications of Equal Area Criterion Below figure shows the transient model of a single machine connected to infinite bus bar.
Read MoreThe Exclusive NOR (EX-NOR) Gate
An EX-NOR gate is an EX-OR gate followed by NOT gate. The basic EX-NOR gate is a two input and
Read MoreThe Exclusive-OR Gate (EX-OR)
A basic EX-OR gate is a two input single output logic gate, whose output is assumed to be HIGH only
Read MoreThe NOR Gate
A NOR gate is a combination of OR gate and NOT gate. So we can say it is a NOT-OR
Read MoreThe NAND Gate
The NAND gate and NOR gate are called Universal gates because they can perform all the three basic functions of
Read MoreBasic Gates
The NOT Gate The NOT gate has a single input variable and a single output variable. The NOT operation is
Read MoreLOGIC GATES
Logic gates are the based building blocks of any digital system. They are usually constructed in LSI and VLSI circuits
Read MoreKarnaugh Map
KARNAUGH MAP The “Karnaugh map” is a graphical method which provides a systematic method for simplifying and manipulating the Boolean
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