All About Circuits

Latest Analog Articles and Videos

Categories

How to Build a Raspberry Pi Camera

How to Build a Raspberry Pi Camera

In part 8 of the "Building Raspberry Pi Controller" series, readers will learn how to attach a camera board to a Raspberry Pi and write Python code for photo imaging projects.


Projects Aug 01, 2016 by Don Wilcher
Is the ADI / Linear Tech Merger Aimed for the IoT?

Is the ADI / Linear Tech Merger Aimed for the IoT?

ADI’s acquisition of Linear Technology clearly stands to bring them financial gains and complementary products. But there may be an IoT angle as well.


News Jul 28, 2016 by Majeed Ahmad
Create a Two-Channel Remote Control with the nRF24L01+

Create a Two-Channel Remote Control with the nRF24L01+

This article will give you the building blocks needed to create your own two-channel wireless remote controller.


Projects Jul 27, 2016 by Mark Hughes
MOSFET Channel-Length Modulation

MOSFET Channel-Length Modulation

This technical brief describes channel-length modulation and how it affects MOSFET current–voltage characteristics.


Rapid Analysis of BJT Switch/Driver Circuits

Rapid Analysis of BJT Switch/Driver Circuits

This technical brief explains a quick, straightforward procedure for evaluating a switch/driver circuit based on an NPN bipolar junction transistor.


How Sensor Fusion Works

How Sensor Fusion Works

Sensor fusion is the art of combining multiple physical sensors to produce accurate "ground truth", even though each sensor might be unreliable on its own.


Signal Conditioning for Pyroelectric Passive Infrared (PIR) Sensors

Signal Conditioning for Pyroelectric Passive Infrared (PIR) Sensors

Learn about the basics, signal conditioning, digital output, and hardware specs of passive infrared sensors.


Understanding the Delta-Sigma ADC

Understanding the Delta-Sigma ADC

ADCs (analog-to-digital converters) can be described as either Nyquist-rate or oversampled converters. The Delta-Sigma ADC belongs to the oversampled family of converters. It relies upon oversampling and noise shaping to achieve high-resolution conversions.


Building an RC Robot Using a Wheelchair Base—Part 2

Building an RC Robot Using a Wheelchair Base—Part 2

The Sabertooth 2x32 motor controller can be used to create a robust drive platform for your next robotic endeavour. This article uses an Arduino Uno to communicate with the Sabertooth 2x32 controller.


Projects Jul 13, 2016 by Mark Hughes
The Quark D2000 Development Board: Moving Beyond “Hello World”

The Quark D2000 Development Board: Moving Beyond “Hello World”

Start to get acquainted with the new D2000 microcontroller development board by exploring the GPIO and PWM.


What Does the Dallas Shooting Mean for Ethics in Robotics?

What Does the Dallas Shooting Mean for Ethics in Robotics?

The decision of Dallas police officers to use a robot with intent to kill set a historic precedent.


News Jul 11, 2016 by Kate Smith
The Actively Loaded MOSFET Differential Pair: Measuring Lambda, Predicting Gain

The Actively Loaded MOSFET Differential Pair: Measuring Lambda, Predicting Gain

In this article, we’ll look at the equation for differential gain and use LTspice to find the value of the channel-length-modulation parameter referred to as lambda (λ).


The Actively Loaded MOSFET Differential Pair: Output Resistance

The Actively Loaded MOSFET Differential Pair: Output Resistance

In this article, we’ll discuss MOSFET small-signal output resistance as we make our way toward predicting the gain of the actively loaded differential pair.


Smart Homes Via Smart Phones: Toggl.it, Nest, and Iris by Lowes

Smart Homes Via Smart Phones: Toggl.it, Nest, and Iris by Lowes

Learn about three smart home platforms available that allow mobile home control with varying degrees of customization.


News Jul 04, 2016 by Yahya Tawil
Understanding Arduino UNO Hardware Design

Understanding Arduino UNO Hardware Design

This article explains how Arduino works from an electronic design perspective. It also explains the role of every part of the Arduino.


How Piezoelectric Speakers Work

How Piezoelectric Speakers Work

Piezoelectric materials change shape when exposed to electric fields. By causing them to change shape at specific times, we can use them to create sound.


An Introduction to Rectifier Circuits

An Introduction to Rectifier Circuits

An important application of the diode is one that takes place in the design of the rectifier circuit. Simply put, this circuit converts alternating current (AC) to direct current (DC). This is an essential circuit in AC-to-DC power-supply design.


Advantages of the Actively Loaded MOSFET Differential Pair

Advantages of the Actively Loaded MOSFET Differential Pair

In this article, we’ll discuss two benefits of using an active load: improved biasing conditions and differential-to-single-ended conversion.


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.


Teardown Tuesday: Wireless Mice!

Teardown Tuesday: Wireless Mice!

Once a luxury item, they are now commonplace. Wireless mice are pretty popular, but what's in them?


News Jun 14, 2016 by Alex Udanis