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What an Electronics Engineer Needs to Know About Noise

What an Electronics Engineer Needs to Know About Noise

In this article, we’ll try to develop insight into some of the most important characteristics of the noise sources that we commonly have to deal with in electronics engineering.


Understanding Collector Current in BJT Beta Variations

Understanding Collector Current in BJT Beta Variations

This article looks at factors that can alter the functionality of a bipolar junction transistor (BJT) by causing variations in its forward current gain.


Integrator Limitations: Active Phase-Error Compensation

Integrator Limitations: Active Phase-Error Compensation

In this article, we will discuss active phase-error compensation and how it can prevent Q enhancement.


What Is BJT Beta? Understanding the Current Gain of a Bipolar Junction Transistor

What Is BJT Beta? Understanding the Current Gain of a Bipolar Junction Transistor

If you’ve ever been confused about the different terms related to the gain of a bipolar junction transistor, read on.


Integrator Limitations: Magnitude and Phase Errors

Integrator Limitations: Magnitude and Phase Errors

In this article, we will examine the deviation of the actual transfer function H from the ideal \(H_{ideal}\) in finer detail.


Characterizing the Moog Filter

Characterizing the Moog Filter

This is Part 3 of a series of articles about the Moog ladder filter. In this article, we'll define the characteristics of the Moog filter, including its properties.


Integrator Limitations: The Op-Amp’s Output Impedance

Integrator Limitations: The Op-Amp’s Output Impedance

In this second part of a series of articles, we investigate the role of the output impedance of a real-life op-amp.


Integrator Limitations: The Op-Amp’s Gain Bandwidth Product

Integrator Limitations: The Op-Amp’s Gain Bandwidth Product

In this first part of a series of articles, we investigate the role of the op-amp’s gain-bandwidth product (GBP).


The Right Half-Plane Zero and Its Effect on Stability

The Right Half-Plane Zero and Its Effect on Stability

In this article, we will discuss the right half-plane zero, a byproduct of pole splitting, and its effects on stability.


The Small-Signal Open-Loop Transfer Function of the Moog Filter

The Small-Signal Open-Loop Transfer Function of the Moog Filter

We are analyzing the behavior of the Moog ladder filter. In this section, we will analyze the heart of the topology and express the small-signal open-loop transfer function of the filter as a whole.


Understanding Schematics

Understanding Schematics

If you're looking to get a better handle on how to read schematics, this helpful guide will give you a head start.


Analyzing the Moog Filter

Analyzing the Moog Filter

Learn about one of the only audio filter topologies out there, the Moog filter!


The Statistical Nature of Noise Analysis: An Introduction

The Statistical Nature of Noise Analysis: An Introduction

This article is an intuitive introduction to the statistical nature of noise and the basic calculations required to combine noise sources in a circuit.


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.


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 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.


Decompensated Operational Amplifiers

Decompensated Operational Amplifiers

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