All About Circuits

Latest Schematic Design Articles and Videos

Categories

Designing a Tuneable Ultrasonic Filter

Designing a Tuneable Ultrasonic Filter

Learn how to build a constant-bandwidth band-pass filter covering 20 kHz to 60 kHz, with an integrated frequency counter for precise tuning.


A 7 to 60 V Input Buck Converter: A Wide-Range DC-DC Step-Down Module

A 7 to 60 V Input Buck Converter: A Wide-Range DC-DC Step-Down Module

This project brief describes how to build a wide-range DC-DC buck converter capable of delivering a regulated 5.0 or 3.3 V output from input voltages ranging from 7 to 60 V.


Solving the Hard Problems: Combining AI and Physics for PCB Design

Solving the Hard Problems: Combining AI and Physics for PCB Design

Sergiy Nesterenko, founder and CEO of Quilter, discusses his journey from SpaceX to creating an AI platform that uses reinforcement learning and computational physics to fully automate complex PCB layouts.


Evaluating the Noise Performance of Coherent DSB‑SC Demodulators

Evaluating the Noise Performance of Coherent DSB‑SC Demodulators

In this article, we'll learn how to calculate the noise power and signal-to-noise ratio (SNR) of a double-sideband suppressed-carrier communication system.


The Isolated Half-Bridge: An IGBT Gate Driver Module with Current Sense

The Isolated Half-Bridge: An IGBT Gate Driver Module with Current Sense

This project brief describes how to assemble an isolated half-bridge IGBT gate driver module built around the NCD57085DR2G. It features onboard current sensing and overcurrent protection.


Accurate High-Voltage Measurement with the Vishay ISO-AC-VSAO Reference Design | Tech Guide

Accurate High-Voltage Measurement with the Vishay ISO-AC-VSAO Reference Design | Tech Guide

In this Tech Guide, learn how the Vishay ISO-AC-VSAO Reference Design enables accurate, isolated high-voltage AC measurement. Watch now to get started!


At Embedded World, Renesas 365 Advances to General Availability Phase

At Embedded World, Renesas 365 Advances to General Availability Phase

The Renesas 365 Development platform unifies electronics design from MCU recommendation to validation.


News Mar 20, 2026 by Duane Benson
Breaking Down 50 Million Pins: A Smarter Way to Design 3D IC Packages

Breaking Down 50 Million Pins: A Smarter Way to Design 3D IC Packages

The shift to 3D ICs and chiplets demands automated, hierarchical design planning to manage exploding pin counts. Learn how Siemens EDA's Innovator3D IC addresses these challenges.


Pickering Unwraps Free Toolset to Streamline ATE Signal Path Workflow

Pickering Unwraps Free Toolset to Streamline ATE Signal Path Workflow

Announced today, the free cloud-based toolset replaces spreadsheets with graphical signal path design for automated test engineers.


News Mar 05, 2026 by Luke James
Siemens Unveils AI-Enhanced PCB Design Tools for Mid-Range Users

Siemens Unveils AI-Enhanced PCB Design Tools for Mid-Range Users

New software editions bring enterprise-grade functionality to small- and medium-sized teams.


News Jun 02, 2025 by Jake Hertz
2024’s Top Technical Articles and More

2024’s Top Technical Articles and More

As 2024 comes to an end, we look back on the year's most popular technical articles, industry articles, and projects.


News Dec 30, 2024 by Abby Garfinkle
Using Programmable Logic Devices for Systematic Power-Up Sequencing

Using Programmable Logic Devices for Systematic Power-Up Sequencing

Learn how single-chip programmable logic devices (PLDs) can replace multiple discrete components used in power-up sequencing circuits to save cost and PCB area.


Transferring SPICE Models From LTspice to QSPICE

Transferring SPICE Models From LTspice to QSPICE

In this article, we'll walk through the process of importing SPICE models into QSPICE and demonstrate the basics of using the QSPICE waveform viewer, including measurement markers.


Transferring LTspice Schematics to QSPICE

Transferring LTspice Schematics to QSPICE

In this article, we'll walk through the process of moving an LTspice circuit into QSPICE and learn some QSPICE schematic techniques.


Upgrading My Retro Handheld Gaming Console with Motion Control and an LCD

Upgrading My Retro Handheld Gaming Console with Motion Control and an LCD

Follow my upgrade of a handheld game controller as I add a new 1.8-inch color LCD for animated graphics and an accelerometer module for motion control input.


Building a Resistor Color Code Calculator and Ohmmeter Using Arduino

Building a Resistor Color Code Calculator and Ohmmeter Using Arduino

For this project, I built a handheld resistor color code calculator and ohmmeter using the ATmega328 microcontroller and a 1.8-inch color LCD display.


Improving Electronic Design Collaboration by Shifting Left and Right

Improving Electronic Design Collaboration by Shifting Left and Right

Listen in as Ananth Avva, SVP and GM at Altium, explains how new tools and a change in corporate culture allow non-electronics participants to participate and positively influence circuit and PCB design.


Moving Data Through an LTspice Parallel-Load Shift Register

Moving Data Through an LTspice Parallel-Load Shift Register

This article demonstrates the operation of an LTspice shift register and discusses details of its schematic and timing relationships.


Creating a Parallel-Load Shift Register in LTspice

Creating a Parallel-Load Shift Register in LTspice

We explore the design and functionality of a digital shift register intended for use in mixed-signal circuit simulations.


An Introduction to Using Logic Gates in LTspice

An Introduction to Using Logic Gates in LTspice

This article explains how to successfully integrate logic gates into an LTspice simulation.