In this article, we explore when to choose a Class AB or Class D output stage for your piezo amplifier design. We'll also examine the Class D stage's power…
In this article, we explore when to choose a Class AB or Class D output stage for your piezo amplifier design. We'll also examine the Class D stage's power supply requirements.
In this article, we explore the advantages of introducing an air gap to the magnetic core of an inductor.
In this article, we explore the advantages of introducing an air gap to the magnetic core of an inductor.
Core saturation is one of the main limitations on the design of magnetic components. In this article, we explore how…
Core saturation is one of the main limitations on the design of magnetic components. In this article, we explore how different factors—particularly the number of turns—impact the core saturation of an inductor.
In this article, we learn about core saturation and why it should be avoided in most applications. We then examine how…
In this article, we learn about core saturation and why it should be avoided in most applications. We then examine how different ways of defining permeability can help us predict the saturation flux density of a magnetic core.
Eddy currents are a major loss mechanism in transformer cores. This article provides both in-depth and simplified…
Eddy currents are a major loss mechanism in transformer cores. This article provides both in-depth and simplified explanations of how core laminations work to mitigate the effects of eddy currents.
This article examines three different types of magnetic materials and how they react to an external magnetic field.
This article examines three different types of magnetic materials and how they react to an external magnetic field.
This article discusses the following basic concepts related to magnetic materials: the magnetic dipole moment,…
This article discusses the following basic concepts related to magnetic materials: the magnetic dipole moment, magnetization vectors, susceptibility, and permeability.
Learn how undervoltage lockout (UVLO) can protect semiconductor devices and electronic systems from potentially hazardous…
Learn how undervoltage lockout (UVLO) can protect semiconductor devices and electronic systems from potentially hazardous operation.
Learn how these simple filters can help you combat common-mode noise with minimal degradation of the desired signal.
Learn how these simple filters can help you combat common-mode noise with minimal degradation of the desired signal.
We analyze a Ruthroff 1:4 transformer's performance at high frequencies, then learn how to improve its bandwidth using…
We analyze a Ruthroff 1:4 transformer's performance at high frequencies, then learn how to improve its bandwidth using equal-delay networks and how to redesign the circuit for higher impedance transformation ratios.
Learn how these classic RF transformers achieve broadband impedance transformation.
Learn how these classic RF transformers achieve broadband impedance transformation.
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.
The full-wave bridge rectifier converts an AC input voltage to a DC power supply voltage. Learn about the operation of…
The full-wave bridge rectifier converts an AC input voltage to a DC power supply voltage. Learn about the operation of this essential circuit.
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.
Learn how a bifilar coil can be used to design transformers for high-frequency RF applications.
Learn how a bifilar coil can be used to design transformers for high-frequency RF applications.
In this article, we’ll use LTspice simulations to more thoroughly understand output-voltage ripple and consider…
In this article, we’ll use LTspice simulations to more thoroughly understand output-voltage ripple and consider techniques for mitigating it within a charge pump circuit.
Continuing our in-depth look at a simple SPICE circuit that can generate a negative supply voltage, we’ll consider the…
Continuing our in-depth look at a simple SPICE circuit that can generate a negative supply voltage, we’ll consider the effect of oscillator frequency on the system’s performance parameters.
Learn about using LTspice simulations to provide important insight into the performance of a switched-capacitor…
Learn about using LTspice simulations to provide important insight into the performance of a switched-capacitor voltage-inverting power supply.
Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity…
Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity from 1 mV to 100 V, while the ammeter has a selectable current sensitivity of 10 mA to 10 A.
Learn about impedance matching stub tuning using a Smith chart, as well as single and double stub tuning, impedance…
Learn about impedance matching stub tuning using a Smith chart, as well as single and double stub tuning, impedance contour, and the "forbidden region" of a Smith chart.