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Requirements for Good Communications Link Performance: IQ Modulation and Demodulation

Requirements for Good Communications Link Performance: IQ Modulation and Demodulation

In this article, we'll discuss the requirements for an analog IQ modulator and demodulator, and then the requirements for DACs and ADCs used at baseband (for an analog IQ approach) and for DACs and ADCs used at RF (for a digital IQ approach).


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

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.


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

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

Summary


All About Seeing Your Projects: Optical and Digital Magnification

All About Seeing Your Projects: Optical and Digital Magnification

Smaller electronics call for more powerful inspection equipment. If you're building a collection of at-home lab equipment, these visual tools may help you see where you're going on minuscule boards.


How to Use Decoupling Capacitor Placement to Reduce Harmonic Distortion

How to Use Decoupling Capacitor Placement to Reduce Harmonic Distortion

Learn how to reduce second harmonic distortion by following some guidelines for placing decoupling capacitors in your PCB layout.


When Things Go Wrong: Battery Management System Failure Mitigation

When Things Go Wrong: Battery Management System Failure Mitigation

What is thermal runaway in Li-ion battery systems? And how do battery management systems help mitigate failure for improved safety? Learn more in this technical article.


Introduction to Battery Management Systems

Introduction to Battery Management Systems

Learn the high-level basics of what role battery management systems (BMSs) play in power design and what components are necessary for their basic functions.


Test and Measurement (T&M) Equipment You’ll Need for a Home Laboratory

Test and Measurement (T&M) Equipment You’ll Need for a Home Laboratory

For some of us, at-home work may be an extended reality beyond 2020. You’ll need the proper tools to accomplish your goals.


Intro to Fiber-Optic Communication Systems

Intro to Fiber-Optic Communication Systems

Learn some basic, foundational info about fiber optic communication systems in this primer.


6 Causes of MOS Transistor Leakage Current

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.


Understanding the Leakage Current Components in Short Channel MOS Transistors

Understanding the Leakage Current Components in Short Channel MOS Transistors

This article covers the basics of MOS transistors with a view towards better understanding the leakage current that can occur in such transistors.


Introduction to Photosensitive Integrated Circuits

Introduction to Photosensitive Integrated Circuits

This article continues our introductory discussion of light-sensitive components that produce higher output-current amplitude than photodiodes.


Introduction to Phototransistors

Introduction to Phototransistors

In this series of articles, we’ll explore higher-output-current alternatives to photodiodes.


Reducing Distortion in Tape Recordings with Hysteresis in SPICE

Reducing Distortion in Tape Recordings with Hysteresis in SPICE

Summary


Modeling Hysteresis in SPICE

Modeling Hysteresis in SPICE

Modeling hysteresis in SPICE can be difficult when you're dealing with a multivalued transfer function. In this article, we'll teach you a way to "cheat" to get around this issue.


Reducing Second Harmonic Distortion with Symmetrical PCB Layout

Reducing Second Harmonic Distortion with Symmetrical PCB Layout

Need a low-distortion ADC interface? In this article, we'll discuss how to reduce 2nd harmonic distortion by using symmetric PCB layout.


Introduction to Thermal Characterization Parameters

Introduction to Thermal Characterization Parameters

In this article, we’ll discuss another group of thermal data, called thermal characterization parameters denoted by the Greek letter Psi (Ψ).


Tips for Achieving Low-Frequency Precision and Improved Bandwidth in Photodiode Circuits

Tips for Achieving Low-Frequency Precision and Improved Bandwidth in Photodiode Circuits

This article continues our discussion of design techniques that help us to improve the performance of transimpedance amplifiers.


Design Tips for Photodiode Amplifiers

Design Tips for Photodiode Amplifiers

This article covers important details related to the design of transimpedance amplifiers for photodiode-based systems.


The Glass Cockpit: The Story of Display Technologies in Space Shuttles

The Glass Cockpit: The Story of Display Technologies in Space Shuttles

In this final part of the Glass Cockpit series, we look at how displays have reached their current iteration in Space X shuttles.