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Wireless/RF Technical Articles
Test & Measurement
High-Frequency Interconnections: A New Line of RF Cables from Pasternack
Connecting two parts of a system becomes complicated when your signals are up in the gigahertz range. Let’s take a look at some new cabling options.
May 05, 2017
Overview of the BLE Solar Beacon from Cypress Semiconductor
Transmit humidity and temperature data with a fully functional, off-the-shelf, battery-less wireless sensor node.
April 27, 2017
Organize, Track, Identify: A New RFID Tag IC from STMicro
RFID is an advanced technique for attaching information to objects of all kinds, and ICs such as the ST25DV series can help you to implement this technology....
April 27, 2017
Bridging the Gap Between Solid-State and Mechanical: The MEMS Switch
The ADGM1004 MEMS switch from Analog Devices is a high-performance solution for both low-frequency and high-frequency applications.
March 02, 2017
Understanding Spread Spectrum Modulation in RF Systems
This technical brief discusses the characteristics and benefits of spread-spectrum modulation.
February 03, 2017
Introduction to Software-Defined Radio
All about software-defined radio (SDR).
February 01, 2017
The Packet Concept: High-Level Synchronization for Data Links
Learn about (for lack of a better term) packetization, a technique that facilitates robust data transfer in optical, RF, and long-distance-digital communication systems....
December 30, 2016
Manchester Encoding: What Is It, and Why Use It?
Learn about Manchester encoding, a simple and effective way to improve high-speed or wireless digital communication.
December 23, 2016
The Cyclic Redundancy Check (CRC): Finding—and Even Correcting—Errors in Digital Data
This technical brief explains what a CRC is and how you can use it to make your digital communication more robust.
December 22, 2016
Understanding Automatic Gain Control
How do designers cope with a system that has highly variable input amplitude yet requires fairly constant output amplitude? Let’s take a look....
November 22, 2016
Introduction to Wireless Power Transfer
Wireless Power Transfer holds the promise of freeing us from the tyranny of power cords. This technology is being incorporated into all kinds of devices and systems....
October 28, 2016
How to Design a Bluetooth Low Energy Circuit with Sensor Technology
Tutorial on designing a Bluetooth Low Energy (BLE) circuit with the ability to measure 9-axis motion, humidity, and temperature.
October 14, 2016
Antenna Basics: Radiation Patterns, Permittivity, Directivity, and Gain
Antennas allow information to be transferred to distant locations. In the second part of this Antenna Basics series, you will learn more about the physics of how antennas work....
October 12, 2016
Max & Math: Maxwell’s Equations in Relativistic Times
Maxwell's equations, which summarize the interaction of electromagnetic fields, have always been described using the "math of the times." Using tensors, they can be given in two equations!...
October 11, 2016
An Introduction to Antenna Basics
Antennas are used to transmit and receive electromagnetic energy. This article covers basic antenna theory.
August 24, 2016
Learning About Differential Quadrature Phase Shift Keying (DQPSK) Modulation
This technical brief explains what differential QPSK is and why it can be advantageous compared to ordinary QPSK.
August 22, 2016
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.
August 17, 2016
The How and Why of Energy Harvesting for Low-Power Applications
Harvesting energy from non-conventional sources has received an increased interest as designers look for alternative power sources. Even though the power is usually harvested in small amounts,...
June 23, 2016
Classification of Signals used in Electrical Engineering
Classifying signals is a way to organize the signals that surround us. It focuses design, testing requirements, measurement tools, and expected results. There are many ways to classify...
April 27, 2016
Linear Amplitude Modulation Applications
In this article, we'll delve into amplitude modulation and what it's used for. Also, we will differentiate between communication methods that do and do not use modulation....
April 04, 2016
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