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How to Design a Simple, Voltage-Controlled, Bidirectional Current Source

How to Design a Simple, Voltage-Controlled, Bidirectional Current Source

This article presents a high-performance current source that requires only a few readily available components.


The Incredible Shrinking Resistor: The Advantages and Drawbacks of Ever-Smaller Components

The Incredible Shrinking Resistor: The Advantages and Drawbacks of Ever-Smaller Components

The advantages and disadvantages of ever-shrinking components.


Learn Analog Circuits: Types and Applications of Current Mirrors

Learn Analog Circuits: Types and Applications of Current Mirrors

The current mirror is an important analog building block that finds application in such diverse areas as DC biasing and current-mode signal processing.


Introduction to Reliability in Electronics: Tools and Metrics for Anticipating Device Failure

Introduction to Reliability in Electronics: Tools and Metrics for Anticipating Device Failure

Reliability engineering estimates device lifetimes and failure rates to determine what will fail and when.


What Is a Microcontroller? The Defining Characteristics and Architecture of a Common Component

What Is a Microcontroller? The Defining Characteristics and Architecture of a Common Component

In this article we’ll look at the defining characteristics of these extremely popular ICs, and then we’ll explore the internal architecture.


What Are the DNL and INL Specifications of a DAC? Non-Linearity in Digital-to-Analog Converters

What Are the DNL and INL Specifications of a DAC? Non-Linearity in Digital-to-Analog Converters

This article looks at the DNL and INL specifications of a digital-to-analog converter (DAC).


The Operation and Characteristics of Voltage-Mode R-2R DACs

The Operation and Characteristics of Voltage-Mode R-2R DACs

This article looks at the voltage-mode R-2R DAC structure.


Applications and Limitations of the Current-Feedback Amplifier: Dual CFAs and Composite Amplifiers

Applications and Limitations of the Current-Feedback Amplifier: Dual CFAs and Composite Amplifiers

In this article, we continue our study of the current-feedback amplifier. We’ll also look at a composite amplifier that combines the benefits of the voltage-feedback topology and the current-feedback topology.


Characteristics of Current-Feedback Op-Amps: Benefits of CFA Design vs. VFAs

Characteristics of Current-Feedback Op-Amps: Benefits of CFA Design vs. VFAs

In this article, we’ll take a more detailed look at the functionality and characteristics of current-feedback amplifiers.


Introduction to the CFA: Current-Feedback Amplifiers vs. Voltage-Feedback Amplifiers

Introduction to the CFA: Current-Feedback Amplifiers vs. Voltage-Feedback Amplifiers

This article discusses the differences between voltage-feedback amplifiers and current-feedback amplifiers.


How to Drive Large Capacitive Loads with an Op-Amp Circuit

How to Drive Large Capacitive Loads with an Op-Amp Circuit

Learn more about capacitive load compensation.


How to Troubleshoot a Diode Bridge Rectifier

How to Troubleshoot a Diode Bridge Rectifier

This article will examine different faults of a diode bridge rectifier to provide some insight into troubleshooting an AC/DC power supply.


Introduction to Supercapacitors

Introduction to Supercapacitors

Get a primer on the basics of supercapacitors, their functionality, and which applications they're best for.


How to Design a Custom PCB Holder: Mechanical Considerations for a High-Precision Sensor System

How to Design a Custom PCB Holder: Mechanical Considerations for a High-Precision Sensor System

When working with high-precision sensors, it's crucial to consider housing. In this article, we discuss an approach to designing a custom board holder for an inclinometer subsystem.


How to Design a Schematic: Creating a Roadmap for a Custom PCB Inclinometer

How to Design a Schematic: Creating a Roadmap for a Custom PCB Inclinometer

This project series details the design and construction of a precision inclinometer based on the Murata SCA103T-D04. This article looks at schematic design considerations.


The Howland Current Pump

The Howland Current Pump

The Howland current pump, invented by MIT’s Professor Bradford Howland in the early 1960s, consists of an op-amp and a balanced resistor bridge and puts out current in either direction.


Restoring Digital Signals in Pass-Transistor Logic

Restoring Digital Signals in Pass-Transistor Logic

This article takes a detailed look at the way in which pass-transistor logic degrades a signal and how this signal degradation can be remedied.


Implementing Multiplexers with Pass-Transistor Logic

Implementing Multiplexers with Pass-Transistor Logic

This article discusses the efficient multiplexers that can be created by using MOSFETs in a pass-transistor configuration.


Introduction to Pass-Transistor Logic

Introduction to Pass-Transistor Logic

This article explores an alternative, and in some cases advantageous, approach to MOSFET-based implementation of digital logic functions.


How to Make Your Umbrella into a Weather Station with a Particle Photon

How to Make Your Umbrella into a Weather Station with a Particle Photon

Want to get to-the-minute, location-specific weather information delivered right to your own Adafruit IO dashboard? It's time to assemble your very own SmartBrella.


Projects Dec 13, 2018 by Robin Mitchell