Latest Analog Technical Articles

Understanding the Operation of Quartz Crystal Oscillators

In this article, we’ll try to develop a deeper insight into the operation of a quartz crystal oscillator.

June 07, 2021 by Dr. Steve Arar

Characterizing Frequency Deviations of Quartz Crystals: Frequency Tolerance, Frequency Stability, and Aging

Learn about some of the most important characteristics of quartz crystal frequency deviations.

May 30, 2021 by Dr. Steve Arar

LVDT Demodulation: Rectifier-Type vs. Synchronous Demodulation

Learn how two methods of demodulation compare: synchronous demodulation and rectifier-type demodulation. Here we discuss each method's advantages, drawbacks, and appropriate applications.

May 23, 2021 by Dr. Steve Arar

Learn About the Basics of LVDT Demodulator Circuits

Learn where demodulator circuits are needed and how you can convert the AC output of an LVDT (linear variable differential transformer) into DC signals using a diode rectifier.

May 16, 2021 by Dr. Steve Arar

An Introduction to Switched-capacitor Circuits

In this series of articles, we’ll discuss one of the fundamental building blocks of analog IC design: the switched-capacitor circuit.

April 21, 2021 by Jake Hertz

Learn About Three-Op Amp Instrumentation Amplifiers

In this article, we'll discuss instrumentation amplifiers (in-amps) which have high common-mode rejection and provide high and equal input impedances. We will also look at the advantages and disadvantages of a commonly-used in-amp often referred to as the three-op amp in-amp.

March 29, 2021 by Dr. Steve Arar

What Is the Power Spectrum of Quantization Noise?

Our series on quantization noise begins with a clarification of the framework the author used to determine the scope of his investigation into quantization noise.

March 07, 2021 by Wes Brodsky

Adding a Low-pass Filter to an ADC Model and DAC Modeling

In the final part of this series on modeling ADCs, we discuss one more model and also briefly cover DAC models.

March 02, 2021 by Wes Brodsky

Modeling ADCs Using Intermodulation Polynomial and Effective Number of Bits

In this article, we discuss another methodology of how to model ADCs in system simulations, this time by using the effective number of bits and also adjusting our ADC by introducing a 5th order polynomial to the ideal quantizer input.

February 28, 2021 by Wes Brodsky

Modeling ADCs Using Effective Number of Bits (ENOB)

Learn about the concept of ENOB (effective number of bits) and how it can be used in modeling data converters in system simulations.

February 26, 2021 by Wes Brodsky

How Should Data Converters Be Modeled for System Simulations?

This article launches a series exploring the question of how to model data converters for system simulations.

February 25, 2021 by Wes Brodsky

Digital or Analog? How Should I and Q Combining and Separation Be Done?

How should I and Q combining be done? Through analog or digital means? This article will discuss the basics of the analog and digital IQ approaches.

February 22, 2021 by Wes Brodsky

PCB Layout Techniques for Reducing Harmonic Distortion of a Differential ADC Driver

Summary

February 19, 2021 by Dr. Steve Arar

6 Causes of MOS Transistor Leakage Current

Leakage current can contribute to power dissipation, especially at lower threshold voltages. Learn about six types of leakage current that can be found in MOS transistors.

February 01, 2021 by Nirbindu Das