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
Researchers at Northwestern University Center for Bio-Integrated Electronics are championing the development of sweat biosensors with their latest glucose and lactate sensors.
June 27, 2019 by Orlando Hoilett
Learn about a DSP technique that extracts the original digital data from a demodulated frequency-shift-keying baseband signal.
September 25, 2018 by Robert Keim
This article looks at the technology and the sample kits that Powercast provides users who want to learn more about the technology.
August 03, 2018 by Mark Hughes
Antennas provide the wireless linkage required for any satellite-based system. Here's a look at the many antennas of GPS.
July 25, 2018 by Marie Christiano
Optocouplers are undoubtedly effective, but alternative isolation technologies may be a better choice for your application.
July 13, 2018 by Robert Keim
This article explores the schematic design and basic features of a smart programmable wireless controller module I designed: the WiCard.
June 01, 2018 by M. Mahdi K. Kanan
This technical brief explains two distinct types of electromagnetic interference.
April 16, 2018 by Robert Keim
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