Latest Technical Articles

The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable…

The formation of eddy currents can cause problems for magnetic cores at high frequencies. To mitigate these undesirable effects, we first need to understand them.

In this article, we use a SPICE model for 90 nm CMOS to plot key electrical relationships of an NMOS transistor.

In this article, we use a SPICE model for 90 nm CMOS to plot key electrical relationships of an NMOS transistor.

SPICE models designed for specific CMOS process nodes can enhance simulations of integrated-circuit transistors. Learn…

SPICE models designed for specific CMOS process nodes can enhance simulations of integrated-circuit transistors. Learn where to find these models and how to use them.

This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow…

This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.

In this article, we use the concept of magnetic field intensity to help explain how complex permeability models the…

In this article, we use the concept of magnetic field intensity to help explain how complex permeability models the losses of a magnetic core.

Current briefly flows through both transistors during logic-level transitions. This article explores the resulting power…

Current briefly flows through both transistors during logic-level transitions. This article explores the resulting power dissipation and provides some helpful LTspice tips for measuring current and power.

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.

When a CMOS inverter switches logic states, power is consumed due to its charging and discharging currents. Learn how to…

When a CMOS inverter switches logic states, power is consumed due to its charging and discharging currents. Learn how to simulate these currents in LTspice.

This article explains dynamic and static power consumption in a CMOS inverter circuit.

This article explains dynamic and static power consumption in a CMOS inverter circuit.

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.

With the help of SPICE simulations, we examine two types of power dissipation that occur when BJTs are used as switches.

With the help of SPICE simulations, we examine two types of power dissipation that occur when BJTs are used as switches.

This article will help you optimize your switch-mode regulator and driver circuits by explaining important sources of…

This article will help you optimize your switch-mode regulator and driver circuits by explaining important sources of MOSFET power dissipation.

High-speed data transmission interfaces such as USB, HDMI, and Ethernet use differential signaling due to its superior…

High-speed data transmission interfaces such as USB, HDMI, and Ethernet use differential signaling due to its superior noise immunity. Even so, some noise still appears. To remove it, we need to understand where it comes from and why.

To avoid distortion and slow transitions in an operational amplifier's output signal, it's important to understand slew…

To avoid distortion and slow transitions in an operational amplifier's output signal, it's important to understand slew rate. In this article, we examine its causes and effects.

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.

D-type flip-flops are fundamental digital memory components. Here, we examine their input-output behavior and internal circuitry.

D-type flip-flops are fundamental digital memory components. Here, we examine their input-output behavior and internal circuitry.

Though both standards have long been used for serial communication, RS-485 offers valuable features that aren't available…

Though both standards have long been used for serial communication, RS-485 offers valuable features that aren't available from RS-232. Learn more in this article.