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How to Boost the Output Current Drive Capability of an Op-Amp

How to Boost the Output Current Drive Capability of an Op-Amp

In the first part of this series on composite amplifiers, we'll investigate one method of boosting an op-amp’s output current drive capability.


Analog and Digital Implementation of a Synchronous Demodulator

Analog and Digital Implementation of a Synchronous Demodulator

In this article, we’ll take a look at the analog blocks for implementing the square wave-based synchronous demodulator.


Using Power Spectral Density (PSD) to Characterize Noise

Using Power Spectral Density (PSD) to Characterize Noise

Learn about how power spectral density (PSD) helps us to examine the effect of a noise source on the output of a linear time-invariant (LTI) system.


Synchronous Demodulation Using Analog Multipliers vs. Switch-based Multipliers

Synchronous Demodulation Using Analog Multipliers vs. Switch-based Multipliers

In this article, we’ll look at the pros and cons of using a switch-based multiplier.


Analog Design Trade-Offs in Applying Linearization Techniques Using Example CMOS Circuits

Analog Design Trade-Offs in Applying Linearization Techniques Using Example CMOS Circuits

This article will look at the trade-offs we face when trying to improve the linearity of a circuit.


Assessing the ADC SNR and SFDR for Communications Systems

Assessing the ADC SNR and SFDR for Communications Systems

In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the ADC SNR requirement for this application.


Introduction to the Synchronous Demodulation

Introduction to the Synchronous Demodulation

This article will discuss the basic idea behind the synchronous demodulation technique.


Understanding Different Definitions of the Spurious Free Dynamic Range (SFDR) Specification

Understanding Different Definitions of the Spurious Free Dynamic Range (SFDR) Specification

In this article, we’ll look at the spurious free dynamic range (SFDR) which is a popular specification for quantifying the linearity of a circuit.


Noise in Electronics Engineering: Distribution, Noise RMS and Peak-to-Peak Value, and Power Spectral Density

Noise in Electronics Engineering: Distribution, Noise RMS and Peak-to-Peak Value, and Power Spectral Density

In this article, we’ll first examine an important feature of common noise sources: the relationship between the noise root mean square (RMS) and peak-to-peak value.


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.