Learn about voltage waves and how they relate to an important basic concept of radio frequency (RF) circuit design: transmission lines.
January 13, 2023 by Dr. Steve Arar
Learn about the aging behavior of resistors and amplifiers using temperature calculations and the Arrhenius equation to understand resistor drift, resistor stability, and op-amp drift.
August 28, 2022 by Dr. Steve Arar
Get a high-level introduction to how standards play into the EE world.
June 24, 2022 by John Woodgate
Switched-mode power supplies (SMPS) appear simple to route on your PCB, but are they? This article identifies two noise sources and simple fixes to improve your EMC performance.
June 02, 2022 by Adrian Gibbons
Learn about how symmetry in signals can simplify the calculation of the Fourier coefficients when used to find the steady-state response of a circuit.
May 22, 2022 by Dr. Steve Arar
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
In this article, we’ll discuss why a discrete implementation cannot provide a high accuracy in resistive current sensing.
August 15, 2021 by Dr. Steve Arar
Learn how to use single-ended amplifiers in low-side current sensing, including PCB layout tips and considerations, as well as a layout example based on an op-amp in the SOT23 package.
August 10, 2021 by Dr. Steve Arar
What's the difference between high-side and low-side resistive current sensing? This article explains the basics, as well as when each is the more appropriate design choice.
August 01, 2021 by Dr. Steve Arar
This article discusses how we can examine the oscillator circuit to make sure that it has sufficient “negative resistance” or “oscillation allowance”.
June 18, 2021 by Dr. Steve Arar
Learn how the load capacitance mismatch can “pull” the crystal to oscillate at a different frequency and how we can circumvent this problem.
June 16, 2021 by Dr. Steve Arar
Children’s toys aren’t just for children. Inside every toy, there are hundreds of hours of engineering experience just waiting to be discovered.
March 24, 2021 by Mark Hughes
Summary
February 19, 2021 by Dr. Steve Arar
Smaller electronics call for more powerful inspection equipment. If you're building a collection of at-home lab equipment, these visual tools may help you see where you're going on minuscule boards.
February 14, 2021 by Mark Hughes
Learn how to reduce second harmonic distortion by following some guidelines for placing decoupling capacitors in your PCB layout.
February 12, 2021 by Dr. Steve Arar
Need a low-distortion ADC interface? In this article, we'll discuss how to reduce 2nd harmonic distortion by using symmetric PCB layout.
January 18, 2021 by Dr. Steve Arar
In this article, we’ll discuss another group of thermal data, called thermal characterization parameters denoted by the Greek letter Psi (Ψ).
January 14, 2021 by Dr. Steve Arar
This article continues our discussion of design techniques that help us to improve the performance of transimpedance amplifiers.
January 13, 2021 by Robert Keim
Learn about an important thermal metric for designing the interface between an IC package and a heat sink.
December 30, 2020 by Dr. Steve Arar
Junction-to-ambient thermal resistance (or θJA) should be measured under standardized testing conditions. Learn about these details to use this thermal metric appropriately.
December 29, 2020 by Dr. Steve Arar
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