Electronics and Communication Engineering - MADE EASY Study Material for GATE, ESE and SES Exams

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Laplace Transform

In Fourier transform, one problem we faced that Fourier transform is not applicable for signals that are not absolutely integrable.

A system is an operator which maps the relation between input signal and output signal by the process of transformation.

What is Electronic Devices and Circuits (EDC)? In studying solid state electronic devices we are interested primarily in the electrical

A signal is any quantity having information associated with it. It may also be defined as a function of one

In general, an amplifier gain factor versus frequency will resemble as shown in Figure (a). Both gain factor and frequency

An interesting property of non-inverting op-amp occurs when R1 = ∞, an open circuit. The closed loop gain is independent

It is the equivalent circuit of BJT and it is used in analysis of small signal model of BJT amplifiers.

Bipolar Junction Transistors Three-terminal devices are far more useful than two-terminal ones, such as diodes studied earlier in chatper-1, because

A diode has 2 types of equivalent circuit Small signal model Large signal model Small Signal Model • If input

The Field Effect Transistor (FET) is a three terminal device used for a variety of applications. The three terminals of

BJT Configuration A configuration refers to the way three terminals of BJT are used in amplifier. Based upon the reference

The transistor was invented by Dr. William Shockley and Dr. John Barden at Bell Laboratory in America in 1951. The

What is Hall Effect? The Hall effect is a consequence of the forces that are exerted on moving charge by

The Energy-Band Theory of Crystals X-ray and other studies reveal that most metals and semiconductors are crystalline in structure. A

Phase Lead Compensator Phase Lag Compensator 1. It improves the transient response 2. (a) It makes the system dynamic response

In order to explain many phenomena associated with conduction in gases, metals and semiconductors and the emission of electrons from

Electronics and Communication Engineering – Network Theory Network theory in engineering is the study of how electrical and electronic circuits

It is a plot of the magnitude of the open loop transfer function G(jω)H(jω) in dB and the phase of

Rule-I : Root locus is symmetrical about real axis. As Root locus is symmetrical about real axis. the poles and