Designing antennas for compact IoT devices is a tricky task, but an increasingly important one. Learn more about this challenge and how to meet it.
August 18, 2023 by Nthatisi Hlapisi
Learn the roles of the three security keys in Bluetooth LE—Long Term Key (LTK), Connection Signature Resolving Key (CSRK), and Identity Resolving Key (IRK).
August 13, 2023 by Nthatisi Hlapisi
Learn how whitening filters solve problems in low-power radios when transmitting long identical bit sequences. Explore their significance in protocols like BLE and ZigBee.
August 02, 2023 by Nthatisi Hlapisi
Learn how ATT and GATT protocols help Bluetooth LE devices store and manage data, making it easier for connected devices to work together seamlessly.
July 21, 2023 by Nthatisi Hlapisi
To understand known vulnerabilities and attacks on Bluetooth LE devices, we review some studies from the past 4+ years.
July 16, 2023 by Nthatisi Hlapisi
Learn about Bluetooth LE's security features and tools, how to use them, and understand how they keep connections secure.
June 23, 2023 by Nthatisi Hlapisi
Learn about slot antennas, namely their history, characteristics, and electromagnetic (EM) behavior for low-voltage, small-form-factor electronic devices.
April 16, 2023 by Robert Keim
Quadrature networks convert a single input signal into two outputs with a 90-degree phase difference. This article explains how to design quadrature networks using all-pass filters.
December 23, 2022 by John Woodgate
What is millimeter wave technology and how is it characterized compared to other lower-frequency technologies?
October 24, 2021 by Dale Wilson
Learn the basics of 5G NR (New Radio), including its frequency bands, applications, and what technologies make it possible.
October 15, 2021 by Dale Wilson
Learn how two methods of demodulation compare: synchronous demodulation and rectifier-type demodulation. Here we discuss each method's advantages, drawbacks, and appropriate applications.
May 23, 2021 by Dr. Steve Arar
Using impulse radios as an example, we'll examine the advantages of ultra-wideband (UWB) technology compared to other short-range wireless communication technologies.
April 11, 2021 by Dr. Steve Arar
How should I and Q combining be done? Through analog or digital means? This article will discuss the basics of the analog and digital IQ approaches.
February 22, 2021 by Wes Brodsky
This article is the second in a two-part series that reviews the basics of electromagnetic compatibility tests. We'll now turn our attention to radiated EMC tests.
October 13, 2020 by Ignacio de Mendizábal
This article discusses the theory fundamentals of lock-in amplifiers.
June 04, 2020 by Ignacio de Mendizábal
The 1-wire bus, though not as widespread as other protocols, is a valuable communication technique for certain applications.
March 09, 2020 by Robert Keim
In this article, we’ll take a look at the analog blocks for implementing the square wave-based synchronous demodulator.
February 12, 2020 by Dr. Steve Arar
In this article, we’ll look at the pros and cons of using a switch-based multiplier.
February 02, 2020 by Dr. Steve Arar
In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the ADC SNR requirement for this application.
December 22, 2019 by Dr. Steve Arar
Learn about the terahertz band, its properties, and the applications where it's finding utility.
September 12, 2019 by Dr. Neda Khiabani
Don't have an AAC account? Create one now.
Forgot your password? Click here.
