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LTspice for Nyquist Plot Analysis

LTspice for Nyquist Plot Analysis

This article explains how to generate and refine a Nyquist plot in LTspice and how to incorporate this plot into your AC analysis.


Introduction to Bandgap Voltage References

Introduction to Bandgap Voltage References

This article presents some basic information about bandgap circuits, which are widely used to generate temperature independent reference voltages.


How to Use Nyquist Plots for Stability Analysis

How to Use Nyquist Plots for Stability Analysis

In this article, we’ll see that a Nyquist plot provides a straightforward means of determining if an amplifier will oscillate.


Understanding Nyquist Plots for Second-Order Filters

Understanding Nyquist Plots for Second-Order Filters

This article continues a series on Nyquist diagrams by explaining Nyquist curves that represent the transfer function of a two-pole filter.


Tips and Techniques for DC-DC Buck Converter PCB Layout

Tips and Techniques for DC-DC Buck Converter PCB Layout

Learn best layout practices for your DC-DC buck converter circuits.


Understanding Cutoff Frequency in a Nyquist Plot

Understanding Cutoff Frequency in a Nyquist Plot

This article continues our exploration of the Nyquist plot by examining the relationship between the plot’s curve and a filter’s cutoff frequency.


Low-Noise Voltage References: Understanding the Noise Performance of a Voltage Reference IC

Low-Noise Voltage References: Understanding the Noise Performance of a Voltage Reference IC

Working with a low noise voltage reference? Learn more about noise specifications and relevant voltage reference ICs.


Using LTSpice for Amplifier Noise Measurement

Using LTSpice for Amplifier Noise Measurement

Learn how to measure noise using LTspice for op-amp circuits with handy examples.


How to Use a Nyquist Plot for AC Analysis

How to Use a Nyquist Plot for AC Analysis

This article introduces the Nyquist plot and explains how to interpret this alternative method of visually evaluating a system’s frequency response.


NFC-Powered Sweat Biosensor for Glucose and Lactate

NFC-Powered Sweat Biosensor for Glucose and Lactate

Researchers at Northwestern University Center for Bio-Integrated Electronics are championing the development of sweat biosensors with their latest glucose and lactate sensors.


How Elliptic Curve Cryptography Works

How Elliptic Curve Cryptography Works

Learn about ECC or elliptic-curve cryptography, including its applications and benefits.


The Diffie-Hellman Exchange in Embedded Cryptography

The Diffie-Hellman Exchange in Embedded Cryptography

Ready to design more secure devices but not sure where to start? Learn about Diffie-Hellman cryptography in this technical article.


An Engineer’s Brief Introduction to Cryptography

An Engineer’s Brief Introduction to Cryptography

This primer on cryptography will help you understand the encryptions that are necessary for modern IoT device security.


How to Troubleshoot a DC-DC Buck Converter

How to Troubleshoot a DC-DC Buck Converter

This article addresses troubleshooting a staple of electronic systems that don’t always work as planned: switch-mode, low-voltage, DC-DC, single-phase, non-isolated, basic buck converter circuits.


An Introduction to Ground: Earth Ground, Common Ground, Analog Ground, and Digital Ground

An Introduction to Ground: Earth Ground, Common Ground, Analog Ground, and Digital Ground

Learn about the basics of grounds, grounding, and ground symbols. Not all grounds are created equal. In this article, we'll discuss earth ground, common ground, analog ground, and digital ground.


What Is Joule Heating? Producing Heat with Electric Current

What Is Joule Heating? Producing Heat with Electric Current

Joule heating, also known as ohmic heating, is used to directly heat water with electric current.


UPS in Critical Data Centers

UPS in Critical Data Centers

Data center applications require reliable power sources. Learn more about uninterruptible power supplies in data centers.


DC-DC Buck Converter Design Tips and Tricks

DC-DC Buck Converter Design Tips and Tricks

This article will go over some general tips you can use when designing a DC-DC buck converter.


Decompensated Operational Amplifiers

Decompensated Operational Amplifiers

Learn more about decompensated vs. fully-compensated op-amps and external methods of achieving compensation.


Miller Frequency Compensation: How to Use Miller Capacitance for Op-Amp Compensation

Miller Frequency Compensation: How to Use Miller Capacitance for Op-Amp Compensation

Miller capacitance is commonly used in a method for operational amplifier frequency compensation.