Latest Rigid-Flex Technical Articles

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How Software Automation in PCBA Manufacturing Helps Quicken Innovation

Manufacturing still takes a large portion of time in the electrical engineering cycle. This article discusses how software-driven automation and the IIoT can help hasten the manufacturing process.

December 17, 2019 by Shashank Samala, Tempo Automation

Determining Copper Trace Thickness in PCB Design

This article discusses the issues surrounding trace-width calculation and provides a solid foundation for designing your next high-current net.

October 22, 2019 by Mark Hughes, Advanced Assembly

Via Configurations for Connecting Decoupling Capacitors

In this article, we’ll focus on the different via configurations that can be used to connect a decoupling capacitor to the PCB power and ground planes.

October 07, 2019 by Steve Arar

PCB Thermal Management Techniques

This article will discuss design practices that ensure better thermal management, including some common methods for removing excess heat from a PCB.

October 06, 2019 by Amos Kingatua

Common PCB Stackups for a Four-Layer Board

This article looks at the common options for a four-layer board stackup.

September 04, 2019 by Steve Arar

Major Causes of High Temperatures on PCBs

This article discusses the major causes of high temperatures on PCBs that cause failure and damage to the board itself.

September 02, 2019 by Amos Kingatua

Special Topics in Schematic Capture

Learn about heterogeneous and homogenous buses, special IC packages, and more!

August 23, 2019 by Stephen Colley

Error Checking Schematics

This article presents tools and practices in reducing errors in your schematics.

August 22, 2019 by Stephen Colley

Mitigating Noise in Double-sided PCBs: Multipoint Grounding (Gridded Ground) in Two-layer PCB Design

Learn how to use the gridded ground technique to reduce noise in a double-sided PCB.

August 15, 2019 by Steve Arar

How a Ground Plane Reduces PCB Noise

How does a ground plane reduce noise in a PCB? Learn more in this technical article.

August 15, 2019 by Steve Arar

IC Design Resources Roundup: Mentor, Cadence, and Synopsys

The design of a modern IC is a truly monumental undertaking, and IC design tools make the job possible.

August 05, 2019 by Gary Elinoff

Understanding Schematics

If you're looking to get a better handle on how to read schematics, this helpful guide will give you a head start.

July 22, 2019 by Matthew Cook

Hardware Security Vulnerabilities that Engineers Should Know

Why should engineers care about hardware security? Because they can help prevent vulnerabilities through design!

July 12, 2019 by Mark Hughes

Tips and Techniques for DC-DC Buck Converter PCB Layout

Learn best layout practices for your DC-DC buck converter circuits.

July 03, 2019 by George Biner

Utilizing DC-DC Converters in Space-Critical Power System Applications

Power system designers are constantly under pressure because they are tasked with developing highly adaptive solutions that comply with today’s operating environments without interrupting design-to-manufacture cycles.

June 28, 2019 by MINMAX

NFC-Powered Sweat Biosensor for Glucose and Lactate

Researchers at Northwestern University Center for Bio-Integrated Electronics are championing the development of sweat biosensors with their latest glucose and lactate sensors.

June 27, 2019 by Orlando Hoilett

Adding Custom Instructions to RISC-V to Boost Performance While Reducing Power and Code Density

The article discusses the benefits of a custom instruction for RISC-V and introduces the ACE framework.

June 20, 2019 by Tommy Lin, Andes Technology

An Introduction to Ground: Earth Ground, Common Ground, Analog Ground, and Digital Ground

Learn about the basics of grounds, grounding, and ground symbols. Not all grounds are created equal. In this article, we'll discuss earth ground, common ground, analog ground, and digital ground.

June 18, 2019 by Nick Davis

6 Ways to Design for Circuit Board Rework

Learn why you should design for rework—and 6 easy ways to do it.

May 31, 2019 by Matthew Cook

The Importance of Reliability Verification in AI/ML Processors

With the adoption of artificial intelligence and machine learning in a wide variety of applications, reliability verification of AI/ML processors is critical since failures can have major consequences for the validity and legitimacy of AI/ML technology.

About 15 hours ago by Neel Natekar, Mentor

How to Create a Multilayer Perceptron Neural Network in Python

This article takes you step by step through a Python program that will allow us to train a neural network and perform advanced classification.

one day ago by Robert Keim

Introduction to Microcontroller Timers: Periodic Timers

This article, the first in a series on “timer/counter” functions in microcontrollers, discusses periodic timers.

January 14, 2020 by Stephen Colley

How an Internal Faraday Shield and Small Ci-O Improve Optocoupler Galvanic Isolation

This article discusses how the use of three key design methods utilized in optocouplers improves galvanic isolation performance and presents an accompanying high voltage surge test as proof. 

January 14, 2020 by Lim Shiun Pi, Broadcom Inc

Analog Design Trade-Offs in Applying Linearization Techniques Using Example CMOS Circuits

This article will look at the trade-offs we face when trying to improve the linearity of a circuit.

January 13, 2020 by Steve Arar

Neural Network Architecture for a Python Implementation

This article discusses the Perceptron configuration that we will use for our experiments with neural-network training and classification, and we’ll also look at the related topic of bias nodes.

January 09, 2020 by Robert Keim

Implementing LoRa-based Solutions for Smart Metering

This article explores the use of LoRa devices for long-range, low power smart metering of utilities, which allows for remote daily operations and the collection of data.

January 07, 2020 by Rémi Demerlé, Semtech

Understanding Training Formulas and Backpropagation for Multilayer Perceptrons

This article presents the equations that we use when performing weight-update computations, and we’ll also discuss the concept of backpropagation.

December 27, 2019 by Robert Keim

How to Train a Multilayer Perceptron Neural Network

We can greatly enhance the performance of a Perceptron by adding a layer of hidden nodes, but those hidden nodes also make training a bit more complicated.

December 26, 2019 by Robert Keim

The Sigmoid Activation Function: Activation in Multilayer Perceptron Neural Networks

In this article, we’ll see why we need a new activation function for a neural network that is trained via gradient descent.

December 25, 2019 by Robert Keim

Advanced Machine Learning with the Multilayer Perceptron

This article explains why high-performance neural networks need an extra “hidden” layer of computational nodes.

December 24, 2019 by Robert Keim

Assessing the ADC SNR and SFDR for Communications Systems

In this article, we will see how we can determine the SFDR for an ADC used in a radio receiver. Also, we’ll examine the ADC SNR requirement for this application.

December 22, 2019 by Steve Arar

Understanding Learning Rate in Neural Networks

This article discusses learning rate, which plays an important role in neural-network training.

December 19, 2019 by Robert Keim

How Software Automation in PCBA Manufacturing Helps Quicken Innovation

Manufacturing still takes a large portion of time in the electrical engineering cycle. This article discusses how software-driven automation and the IIoT can help hasten the manufacturing process.

December 17, 2019 by Shashank Samala, Tempo Automation

How to Calibrate an Microcontroller Internal Oscillator: A DIY Trimming Procedure Algorithm

This article presents an algorithm intended for humans to calibrate the internal oscillator of an MCU, with the help of an oscilloscope and a spreadsheet. An example experiment with numbers is also shown.

December 13, 2019 by Eduardo Corpeño

How to Calibrate MCU Internal Oscillators

This article describes the internal RC oscillator calibration mechanism available in low-end microcontroller units. A basic calibration procedure and considerations on automated calibration are presented.

December 12, 2019 by Eduardo Corpeño

Introduction to the Synchronous Demodulation

This article will discuss the basic idea behind the synchronous demodulation technique.

December 11, 2019 by Steve Arar

The Good and the Bad of MCU Internal Oscillators

This article describes the benefits and requirements of the internal RC oscillator often available inside many low-cost Microcontroller units, including the calibration procedure to obtain the best possible accuracy.

December 11, 2019 by Eduardo Corpeño

Predicting Battery Degradation with a Trinket M0 and Python Software Algorithms

Learn how to build a setup that will help you predict a battery's performance as it ages using a Trinket M0 and software algorithms.

December 09, 2019 by Aaron Hanson

An Introduction to Training Theory for Neural Networks

In this article, we’ll explore Perceptron training from a more theoretical perspective, focusing on the “error bowl.”

December 05, 2019 by Robert Keim