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The MOSFET Differential Pair with Active Load

The MOSFET Differential Pair with Active Load

Learn about a fairly simple yet highly beneficial modification to the drain-resistor-based version of the MOSFET differential pair.


The Basic MOSFET Differential Pair

The Basic MOSFET Differential Pair

In this article, we’ll examine the most straightforward version of this foundational integrated-circuit amplifier topology.


Teardown Tuesday: Graphing Calculator

Teardown Tuesday: Graphing Calculator

What's inside a modern graphing calculator? Take a look in this Teardown Tuesday!


News Jun 07, 2016 by Alex Udanis
The Basic MOSFET Constant-Current Source

The Basic MOSFET Constant-Current Source

Learn about a straightforward version of a circuit that is essential in the design of analog integrated circuits.


Circuits and Techniques for Implementing Capacitive Touch Sensing

Circuits and Techniques for Implementing Capacitive Touch Sensing

This article presents some basic cap-sense circuit configurations and discusses how to deal with low- and high-frequency noise.


Undesired Effects of a Window Function in FIR Filter Design

Undesired Effects of a Window Function in FIR Filter Design

A smoother transition band and ripples in the passband are the most important differences between the ideal filters and those designed by window method. This article tries to provide a deeper insight into how truncation leads to these features.


How to Spot Counterfeit Electronic Components

How to Spot Counterfeit Electronic Components

Counterfeit parts are becoming more of a problem every day and it won't be long before serious harm is caused as a result. It is up to us design engineers to prevent such incidents by arming ourselves with the knowledge to spot counterfeit parts.


News May 22, 2016 by Robin Mitchell
Inductor Out, Op-Amp In: An Introduction to Second-Order Active Filters

Inductor Out, Op-Amp In: An Introduction to Second-Order Active Filters

In this article, we’ll compare active and passive filters and look at some common second-order active topologies.


Choosing the Right Oscillator for Your Microcontroller

Choosing the Right Oscillator for Your Microcontroller

Internal or external? Quartz or ceramic? Crystal oscillator or silicon oscillator? So many clocking options . . . which one is right for your design?


Teardown Tuesday: Wearable Audio Recorder

Teardown Tuesday: Wearable Audio Recorder

Never miss that cute moment again! Kapture is a unique audio recorder that constantly records. What's inside of it?


News May 17, 2016 by Alex Udanis
Easier PCB Design: EAGLE CAD Tips and Tricks Part 2

Easier PCB Design: EAGLE CAD Tips and Tricks Part 2

Most hobbyists and many professionals use EAGLE CAD as a daily tool in designing schematics and laying out PCB. I’m going to share with you more of the most important tips and tricks for using EAGLE CAD, which make my work much easier and faster.


FIR Filter Design by Windowing: Concepts and the Rectangular Window

FIR Filter Design by Windowing: Concepts and the Rectangular Window

In this article, we'll review the basic concepts in digital filter design. We'll also briefly discuss the advantages of FIR filters over IIR designs, e.g. stability and linear-phase response. Finally, we'll go over an introduction to designing FIR filters via the window method.


Choosing the Right LDO: Beyond the Basic Specs

Choosing the Right LDO: Beyond the Basic Specs

Learn about some of those less-than-obvious specifications found in datasheets for linear voltage regulators.


Teardown Tuesday: Smart Remote Control

Teardown Tuesday: Smart Remote Control

What's inside a smart universal remote control?


News May 10, 2016 by Alex Udanis
Easier PCB Design: EAGLE CAD Tips and Tricks

Easier PCB Design: EAGLE CAD Tips and Tricks

Most hobbyists and many professionals use EAGLE CAD as a daily tool in designing schematics and laying out PCB. You're going to learn some tips and tricks for using EAGLE CAD, which will make your work much easier and faster.


Intel’s Response to ARM Servers: Xeon D Processors with a Twist

Intel’s Response to ARM Servers: Xeon D Processors with a Twist

Intel Xeon D processors will now contain FPGAs, which directly combats the upcoming ARM-based server-grade processors.


News May 08, 2016 by Dylan Wadler
Characteristics of the Ideal Silicon Diode

Characteristics of the Ideal Silicon Diode

In this article, we will discuss some characteristics of the ideal diode. We'll also learn how to analyze circuits that contain more than one ideal diode in conjunction with resistors and DC power sources.


Classification of Signals used in Electrical Engineering

Classification of Signals used in Electrical Engineering

Classifying signals is a way to organize the signals that surround us. It focuses design, testing requirements, measurement tools, and expected results. There are many ways to classify signals!


Teardown Tuesday: Dash Camera

Teardown Tuesday: Dash Camera

Dash Cameras are becoming a very popular automotive accessory. What's inside of one?


News Apr 26, 2016 by Alex Udanis
Sensor Fusion: 3 Key Design Challenges and Ways to Deal with them

Sensor Fusion: 3 Key Design Challenges and Ways to Deal with them

Sensors are becoming a ubiquitous element in the IoT bandwagon, which in turn, makes sensor fusion the technology to watch.


News Apr 15, 2016 by Majeed Ahmad