Basics 3 min read
Understanding Quadrature Phase Shift Keying (QPSK) Modulation
This technical brief covers the basic characteristics of a digital modulation scheme known as quadrature phase shift keying. In the…
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Author: Prabhu TL.
Prabhu TL is a SenseCentral contributor covering digital products, entrepreneurship, and scalable online business systems. He focuses on turning ideas into repeatable processes—validation, positioning, marketing, and execution. His writing is known for simple frameworks, clear checklists, and real-world examples. When he’s not writing, he’s usually building new digital assets and experimenting with growth channels.
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The How and Why of Energy Harvesting for Low-Power Applications
In this article, we’ll go over the basics of energy harvesting and discuss what forms it can take when scavenging…
Basics 7 min read
An Overview of the Analysis and Transmission of Aperiodic Signals
Aperiodic Signal Representation by Fourier Integral An aperiodic function will never repeat, although technically speaking an aperiodic function can be…
Basics 6 min read
Transmission Lines: From Lumped Element to Distributed Element Regimes
Delving further into the transmission line concept, the boundary between treating the line as a single lumped circuit element and…
Basics 10 min read
Everything You Need to Know About Direct Digital Synthesis
Introduction Direct digital synthesis (DDS) is a technique used to generate an analog signal (like a sine wave or triangle wave) using…
Basics 3 min read
Introduction to the Transmission Line
What’s a transmission line and why does it exist? Find out! When the physical dimension of a circuit approaches the…
Basics 6 min read
Learning to Simplify: Thevenin and Norton Equivalent Circuits
Thevenin and Norton equivalent circuits are fundamental approaches to analyzing both AC and DC circuits. It is important to understand the steps involved…
Basics 6 min read
ZigBee vs Bluetooth and Bluetooth Smart
Introduction ZigBee® and Bluetooth® are wireless communication protocols, which have a suite of specifications for devices to follow so they…
Basics 11 min read
FSK Explained with Python
This article will go into a bit of the background of FSK and demonstrate writing a simulator in Python. Frequency…
Basics 5 min read
Estimating Wireless Range
How to estimate wireless communication range from radio parameters. Motivation When designing a system with a wireless component, an important…
Basics 6 min read
A World Without Cords: An Overview of Wireless Charging
Qi (pronounced as “chee”) charging is an optimized inductive charging, also known as “wireless charging” allowing you to charge your…
Basics 8 min read
Basic Waveform Analysis with an Oscilloscope
Learn about the current generation of oscilloscopes and how to use them to measure various circuit elements. The oscilloscope is…