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An Introduction to Canonical Signed Digit Representation

An Introduction to Canonical Signed Digit Representation

CSD is an elegant method to implement digital multipliers in a more efficient way.


Communicating Over Billions of Miles: Long Distance Communications in the Voyager Spacecraft

Communicating Over Billions of Miles: Long Distance Communications in the Voyager Spacecraft

The Voyager Spacecraft have been providing scientific data for the last 40 years. This article is an introduction to the very long distance communication systems on the spacecraft.


News Jul 02, 2017 by Mark Hughes
Multirate DSP and Its Application in D/A Conversion

Multirate DSP and Its Application in D/A Conversion

This article reviews the basics of D/A conversion and explains how multirate DSP can lead to a more efficient system.


High-Frequency Upconversion and Downconversion: A New RF Mixer from Linear Technology

High-Frequency Upconversion and Downconversion: A New RF Mixer from Linear Technology

New RF devices such as the LTC5553 help you to maintain high performance even at very high frequencies.


News Jun 27, 2017 by Robert Keim
Powering the Voyager Spacecraft with Radiation: The RTG (Radioisotope Thermoelectric Generator)

Powering the Voyager Spacecraft with Radiation: The RTG (Radioisotope Thermoelectric Generator)

In this article, we will look at the power source for the Voyager probes, the Radioisotope Thermoelectric Generator.


News Jun 25, 2017 by Robin Mitchell
Voyager Mission Anniversary Celebration Series: Introduction

Voyager Mission Anniversary Celebration Series: Introduction

In the Summer of 2017, the Voyager spacecraft will celebrate 40 years in space. All About Circuits looks at the engineering accomplishments that made this trip possible.


News Jun 18, 2017 by Mark Hughes
Interconnects Are Important, Too: New High-Speed Cabling from TE Connectivity

Interconnects Are Important, Too: New High-Speed Cabling from TE Connectivity

Harsh environments and high signal frequencies call for cables that can perform reliably under demanding conditions.


News Jun 15, 2017 by Robert Keim
Radio Meets Fiber Optics: RF Over Fiber

Radio Meets Fiber Optics: RF Over Fiber

Radio Over Fiber (ROF) combines RF and optics, providing optical links to replace strategic portions of cellular, satellite, and copper based systems.


High Power at High Temperatures: New DC/DC Converters from Vicor

High Power at High Temperatures: New DC/DC Converters from Vicor

Integrated regulator modules such as the Cool-Power ZVS series can provide convenient and effective power conversion, even in harsh environments.


News Jun 09, 2017 by Robert Keim
Basic Signal Operations in DSP: Time Shifting, Time Scaling, and Time Reversal

Basic Signal Operations in DSP: Time Shifting, Time Scaling, and Time Reversal

This article presents a look at the basic signal operations performed over the independent variable(s) affecting the signal and the scenarios in which they find their application.


New Zinc Battery Breakthrough Could Compete with Lithium-Ion Batteries

New Zinc Battery Breakthrough Could Compete with Lithium-Ion Batteries

Researchers from the United States Naval Research Laboratory have found a way to stop dendrite formation in zinc batteries allowing the option for them to recharge.


News May 08, 2017 by Zabrel Holsman
High-Frequency Interconnections: A New Line of RF Cables from Pasternack

High-Frequency Interconnections: A New Line of RF Cables from Pasternack

Connecting two parts of a system becomes complicated when your signals are up in the gigahertz range. Let’s take a look at some new cabling options.


Dealing with Variable Lighting: CMOS Vs CCD Image Sensors

Dealing with Variable Lighting: CMOS Vs CCD Image Sensors

Despite the convenience of CMOS imagers, CCD imagers still have their place. And if you really need low-light performance, consider a device with EMCCD technology, such as the KAE-02152.


Less EMI, More Available Board Space: A New Passive Filter from TDK

Less EMI, More Available Board Space: A New Passive Filter from TDK

Why install three components when you could use one instead? You can simplify your layout with single-component passive filters, such as the MEM1005PP251T from TDK.


Introduction to 3D Printing: History, Processes, and Market Growth

Introduction to 3D Printing: History, Processes, and Market Growth

Today's 3D printers had their start in the rapid prototyping technologies of the 1980s and found their use in the industrial market. As patents expire, 3D printing technology is becoming more available to consumers.


News Apr 16, 2017 by Marie Christiano
2017 Goes Big on Tiny Electronics: A Bluetooth SoC, Satellite Communication Module, and Linux SBC

2017 Goes Big on Tiny Electronics: A Bluetooth SoC, Satellite Communication Module, and Linux SBC

In the last two months, some impressively tiny systems were unveiled or released.


News Apr 14, 2017 by Tim Youngblood
Track Overhead Flights with a Raspberry Pi Zero Wireless, a Software Defined Radio, and FlightAware

Track Overhead Flights with a Raspberry Pi Zero Wireless, a Software Defined Radio, and FlightAware

This article shows you two ways to use a Raspberry Pi Zero Wireless to track flights in your area. It also demonstrates how it can control a 64×64 RGB matrix.


Projects Apr 03, 2017 by Mark Hughes
Basic Operations in Signal Processing: Multiplication, Differentiation, Integration

Basic Operations in Signal Processing: Multiplication, Differentiation, Integration

Here we discuss some elementary operations performed on the dependent variable representing the signal(s) and the examples in which they are applied.


A Microcontroller Enthusiast’s First Look at Programmable Logic

A Microcontroller Enthusiast’s First Look at Programmable Logic

The FPGA can be a great addition to your arsenal, but it requires some adjustments to the way a microcontroller jockey thinks.


Don’t Get Lost in Deep Space: Understanding Quaternions

Don’t Get Lost in Deep Space: Understanding Quaternions

Quaternions are mathematical operators that are used to rotate and stretch vectors. This article provides an overview to aid in understanding the need for quaternions.