In this article, we use the concept of magnetic field intensity to help explain how complex permeability models the losses of a magnetic core.
In this article, we use the concept of magnetic field intensity to help explain how complex permeability models the losses of a magnetic core.
In this article, we explore two different methods for analyzing the impedance transformation ratio of a transmission line…
In this article, we explore two different methods for analyzing the impedance transformation ratio of a transmission line transformer.
In this project, which uses the Arduino IDE, we create and demonstrate a digital drawing pad using an ESP32-based e-paper…
In this project, which uses the Arduino IDE, we create and demonstrate a digital drawing pad using an ESP32-based e-paper display dev board, rotary encoders for drawing control, and an accelerometer for shake detection to initiate an erase.
Learn how to design the battery array that best fits your system’s power requirements. This article will help you…
Learn how to design the battery array that best fits your system’s power requirements. This article will help you interpret battery specifications, estimate operating life, and understand the relationship between capacity, load, and environment.
Learn about the characteristics and limitations of an operational amplifier’s output voltage range.
Learn about the characteristics and limitations of an operational amplifier’s output voltage range.
This article, the first in a two-part series on op amp signal swing, explains the characteristics and limitations of an…
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.
In this article, we compare the scope of factory and user calibration for vector network analyzers (VNAs). We then learn…
In this article, we compare the scope of factory and user calibration for vector network analyzers (VNAs). We then learn about the types of errors that calibration techniques can't correct.
In this project article, we design a handheld gaming console with wireless multiplayer functionality using ESP8266…
In this project article, we design a handheld gaming console with wireless multiplayer functionality using ESP8266 microcontrollers. We then program a game for it with the Arduino IDE.
Learn the basics of how vector network analyzer (VNA) calibration techniques correct measurement errors.
Learn the basics of how vector network analyzer (VNA) calibration techniques correct measurement errors.
In this article, we cover the basic behavior of the MOSFET common-source amplifier with different types of load.
In this article, we cover the basic behavior of the MOSFET common-source amplifier with different types of load.
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 project, we’ll use a Raspberry Pi Pico to build an adjustable clock with an LED display. We’ll then integrate…
In this project, we’ll use a Raspberry Pi Pico to build an adjustable clock with an LED display. We’ll then integrate the clock with a Radio Shack Science Fair Microcomputer Trainer programmed to function as a 7-bit binary counter.
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.
Learn how bifilar coils can be used to build Gustav Guanella’s classic RF balun.
Learn how bifilar coils can be used to build Gustav Guanella’s classic RF balun.
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.
Learn about the balun, a special type of transformer used in mixers, amplifiers, and signaling.
Learn about the balun, a special type of transformer used in mixers, amplifiers, and signaling.
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.
Learn how a push-pull Class B amplifier functions, how to calculate its efficiency, and how its performance compares to…
Learn how a push-pull Class B amplifier functions, how to calculate its efficiency, and how its performance compares to the inductively-loaded Class A design.
The small-signal characteristics of MOSFETs play an important role in analog IC design. In this article, we learn how to…
The small-signal characteristics of MOSFETs play an important role in analog IC design. In this article, we learn how to model MOS transistors' small-signal behaviors.
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.
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