This article, the first in a two-part series on op amp signal swing, explains the characteristics and limitations of an operational amplifier’s input voltages.
This article, the first in a two-part series on op amp signal swing, explains the characteristics and limitations of an operational amplifier’s input voltages.
The 12-term error model is a simple, effective way of modeling systematic errors in vector network analyzer (VNA)…
The 12-term error model is a simple, effective way of modeling systematic errors in vector network analyzer (VNA) measurements. Learn about this model and an associated error correction technique in this article.
In this article, we investigate two metrics used to characterize the performance of RF test and measurement systems.
In this article, we investigate two metrics used to characterize the performance of RF test and measurement systems.
In this article, we explore how the signal source and receivers of a VNA enable its function.
In this article, we explore how the signal source and receivers of a VNA enable its function.
Directional couplers are valuable tools for testing RF systems. However, the finite directivity of these devices can…
Directional couplers are valuable tools for testing RF systems. However, the finite directivity of these devices can cause measurement uncertainty. Learn more in this article.
As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by…
As part of a vector network analyzer (VNA), a directional coupler enables us to characterize a device’s performance by its S-parameters. Read this article to learn more about this important piece of equipment.
How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers…
How does a Class B power amplifier work? What makes it more efficient than a Class A power amplifier? Learn the answers in this article.
In this article, we explore the types of impedance tuners most commonly used for load-pull measurement—their…
In this article, we explore the types of impedance tuners most commonly used for load-pull measurement—their advantages, their disadvantages, and the methods by which they synthesize impedance.
The output power and efficiency of a power amplifier (PA) are highly dependent on its load terminations. Learn how to…
The output power and efficiency of a power amplifier (PA) are highly dependent on its load terminations. Learn how to characterize a PA's performance by analyzing load lines and estimating the load-pull contours of constant output power.
Learn about pressure transducers: devices used in a variety of industrial, medical, automotive, and consumer applications…
Learn about pressure transducers: devices used in a variety of industrial, medical, automotive, and consumer applications to sense pressure and convert it into electrical energy.
Understanding the causes of attenuation in a transmission line can help us choose the right solutions for our…
Understanding the causes of attenuation in a transmission line can help us choose the right solutions for our application. In this article, we’ll learn about attenuation caused by conductor loss and dielectric loss.
This article will demonstrate that the AC current density decreases exponentially into a conductor. It will also explain…
This article will demonstrate that the AC current density decreases exponentially into a conductor. It will also explain why we can assume that the total current has a uniform distribution from the surface down to one skin depth of the conductor.
Indispensable for modern electrical engineering, application-specific integrated circuits (ASICs) form a diverse group of…
Indispensable for modern electrical engineering, application-specific integrated circuits (ASICs) form a diverse group of integrated circuits (ICs) that help designers to optimize sophisticated electronic devices.
In this project, learn how to use a potentiometer's reading on the M5Stack core to control a servo motor.
In this project, learn how to use a potentiometer's reading on the M5Stack core to control a servo motor.
Real-time image processing is a resource-intensive task that often requires specialized hardware. With that in mind,…
Real-time image processing is a resource-intensive task that often requires specialized hardware. With that in mind, let's explore processors that are designed specifically for photo and video applications.
Learn another way to characterize RF noise components using noise temperature and how this concept clears up how noise…
Learn another way to characterize RF noise components using noise temperature and how this concept clears up how noise figure measurement instruments actually work.
Take a closer look at the definition of the RF noise figure and discuss some subtleties to help avoid erroneous…
Take a closer look at the definition of the RF noise figure and discuss some subtleties to help avoid erroneous interpretations of this specification.
Learn about an impedance-matching technique using transmission line elements.
Learn about an impedance-matching technique using transmission line elements.
Learn about the immittance Smith chart (ZY Smith chart), the effect of adding series and parallel components, impedance…
Learn about the immittance Smith chart (ZY Smith chart), the effect of adding series and parallel components, impedance matching, and finding a two-element matching network.
This article will help you decide when to consider a multiphase approach to step-down, switch-mode voltage regulation.
This article will help you decide when to consider a multiphase approach to step-down, switch-mode voltage regulation.