TweetMagic is real, and it all comes from the Fourier Integral. But one doesn’t become a wizard without a little reading first – so, the purpose of this article is to explain the Fourier Integral theoretically and mathematically. Before reading any further, it is important to first understand this: in mathematics, there is a rule [...]
Tags: fourier series, Fourier Transform, fourier transform examples, fourier transform explained, fourier transform properties, math behind fourier transforms
TweetIntroduction to the convolution Amongst the concepts that cause the most confusion to electrical engineering students, the Convolution Integral stands as a repeat offender. As such, the point of this article is to explain what a convolution integral is, why engineers need it, and the math behind it. In essence, the “convolution” of two functions [...]
Tags: convolutio integral, convolution, convolution integrals, convolution table, convolution tables, impulse response, Linear Systems
TweetDescribing the process of solving a linear system using the adjacent matrix is best done while performing an example. Suppose we have a system where is the coefficient matrix of our system, is the column vector containing our variables, and is the solution column vector. We are asked to solve for the column vector made [...]
Tags: coefficient matrix, inverse matrix, matrix, matrix division, matrix multiplication, matrix theory, solving linear systems, using inverse matrices
TweetWhy We Need Smith Charts In the world of RF (Radio Frequency) electronics, normal “bench-top” circuit components cease to operate the way they were designed to. This means a normal resistor can become a capacitor, a capacitor can become an inductor, and a normal wire can become a distributed network of inductors and capacitors. This [...]
Tags: smith chart, smith charts, using smith charts
TweetThe frequency response of a BJT or MOSFET can be found using nearly the exact same process, with the only variations being caused by a single resistor and simple naming conventions that differ between the two devices. Before we start let’s think a little bit about what we’re doing: Our goal is going to be [...]
Tags: Basic Electrical Engineering Concepts, BJT, Cadence, Electrical Engineering, Electrical Engineering Concepts, Engineer, MOSFET, Parallel Resistance Formula, pole, PSPICE, transistor
