Systems
A system is an operator which maps the relation between input signal and output signal by the process of transformation.
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Electronics and Communication Engineering
What is EDC?
What is Electronic Devices and Circuits (EDC)? In studying solid state electronic devices we are interested primarily in the electrical
Read MoreAmplifier Frequency Response
In general, an amplifier gain factor versus frequency will resemble as shown in Figure (a). Both gain factor and frequency
Read MoreVoltage Follower – Analog Circuits
An interesting property of non-inverting op-amp occurs when R1 = ∞, an open circuit. The closed loop gain is independent
Read MoreSmall Signal Model of BJT
It is the equivalent circuit of BJT and it is used in analysis of small signal model of BJT amplifiers.
Read MoreBipolar Junction Transistors-Characteristics and Biasing
Bipolar Junction Transistors Three-terminal devices are far more useful than two-terminal ones, such as diodes studied earlier in chatper-1, because
Read MoreDiode Equivalent Circuits
A diode has 2 types of equivalent circuit Small signal model Large signal model Small Signal Model • If input
Read MoreWhat is field-effect transistor (FET)
The Field Effect Transistor (FET) is a three terminal device used for a variety of applications. The three terminals of
Read MoreWhat is BJT and its Configuration?
BJT Configuration A configuration refers to the way three terminals of BJT are used in amplifier. Based upon the reference
Read MoreWhat is the function of a transistor in an electronic device?
The transistor was invented by Dr. William Shockley and Dr. John Barden at Bell Laboratory in America in 1951. The
Read MoreHall Effect
What is Hall Effect? The Hall effect is a consequence of the forces that are exerted on moving charge by
Read MoreEnergy Band Theory of Crystals
The Energy-Band Theory of Crystals X-ray and other studies reveal that most metals and semiconductors are crystalline in structure. A
Read MoreComparison of lead and lag compensators
Phase Lead Compensator Phase Lag Compensator 1. It improves the transient response 2. (a) It makes the system dynamic response
Read MoreThe Nature of the Atom
In order to explain many phenomena associated with conduction in gases, metals and semiconductors and the emission of electrons from
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What is Network Theory?
Electronics and Communication Engineering – Network Theory Network theory in engineering is the study of how electrical and electronic circuits
Read MoreBode Plots
It is a plot of the magnitude of the open loop transfer function G(jω)H(jω) in dB and the phase of
Read MoreConstruction Rules of Root Locus
Rule-I : Root locus is symmetrical about real axis. As Root locus is symmetrical about real axis. the poles and
Read MoreMechanical Systems
All mechanical systems are divided into two parts: 1. Mechanical Translational System 2. Mechanical Rotational System Mechanical Translational System: Input
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