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Achieving High DC Precision Using Composite Op-Amps

In Part 5 of this series on composite amplifiers, we'll discuss how to achieve higher DC precision.

February 25, 2020 by Dr. Sergio Franco

How to Increase Slew Rate in Op Amps

Learn how to get faster composite op-amp dynamics by raising the slew rate.

February 24, 2020 by Dr. Sergio Franco

Achieving Faster Composite Op-Amp Dynamics by Expanding the Frequency Bandwidth

This is Part 3 of the series of articles about composite amplifiers. In this section, we are going to show how to achieve faster op-amp dynamics by expanding the frequency bandwidth.

February 23, 2020 by Dr. Sergio Franco

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.

February 20, 2020 by Dr. Sergio Franco

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.

February 12, 2020 by Dr. Steve Arar

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.

February 11, 2020 by Dr. Steve Arar

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.

February 02, 2020 by Dr. Steve Arar

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.

January 13, 2020 by Dr. Steve Arar

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.

December 22, 2019 by Dr. Steve Arar

Introduction to the Synchronous Demodulation

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

December 11, 2019 by Dr. Steve Arar

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.

December 01, 2019 by Dr. Steve Arar

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.

November 20, 2019 by Dr. Steve Arar

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.

November 12, 2019 by Dr. Steve Arar

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.

November 11, 2019 by Robert Keim

Integrator Limitations: Active Phase-Error Compensation

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

November 07, 2019 by Dr. Sergio Franco

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.

November 04, 2019 by Robert Keim

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.

October 26, 2019 by Dr. Sergio Franco

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.

October 23, 2019 by Sam Gallagher

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.

August 29, 2019 by Dr. Sergio Franco

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).

August 28, 2019 by Dr. Sergio Franco