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A Simple, Compact Power Supply for Analog and Mixed-Signal Systems

A Simple, Compact Power Supply for Analog and Mixed-Signal Systems

This project demonstrates and discusses the performance and functionality of an inductorless ±5 V power-supply circuit.


Projects Jun 18, 2018 by Robert Keim
Three-Phase BLDC Motors Save Energy in Appliance Systems

Three-Phase BLDC Motors Save Energy in Appliance Systems

This article looks at how appliance design is utilizing three-phase brushless DC motors to reduce system power consumption to meet Energy Star's requirements.


Ultra-Low Jitter: A Programmable Oscillator with Internal EEPROM from Texas Instruments

Ultra-Low Jitter: A Programmable Oscillator with Internal EEPROM from Texas Instruments

The LMK61E07 is an I2C-controlled programmable variable frequency oscillator that can be used as an adjustable frequency source in computer networking, medical imaging, FPGA, and broadcast video applications.


News Jun 14, 2018 by Mark Hughes
How to Choose the Frequency of Your Switching Regulator

How to Choose the Frequency of Your Switching Regulator

This article discusses some details—efficiency, noise, etc.—that influence the choice of operational frequencies for switch-mode power supplies.


Understanding the Dynamic Range Specification of an ADC

Understanding the Dynamic Range Specification of an ADC

This article will discuss the dynamic range specification of an ADC.


How Auto Balancing Works for Supercapacitors in Low Voltage Designs: A New PCB from ALD

How Auto Balancing Works for Supercapacitors in Low Voltage Designs: A New PCB from ALD

A new PCB ensures over-voltage protection for supercapacitors serving the industrial controls, remote monitoring, and battery backup systems.


News Jun 11, 2018 by Majeed Ahmad
Low-Noise, Wide-Bandwidth: A Single Axis Analog Accelerometer from Analog Devices

Low-Noise, Wide-Bandwidth: A Single Axis Analog Accelerometer from Analog Devices

The ADXL1005 by Analog Devices is a low noise, wide bandwidth, single-axis MEMS accelerometer with Analog Output.


News Jun 08, 2018 by Mark Hughes
Build Your Own Negative Voltage Generator

Build Your Own Negative Voltage Generator

Everyone needs a negative voltage rail eventually, but most only have a single rail supply. This project will show you how to build a negative voltage generator that runs off a single rail supply!


Projects Jun 07, 2018 by Robin Mitchell
Circle the Wagons: Choosing the Right Protection ICs for Your Smart Load

Circle the Wagons: Choosing the Right Protection ICs for Your Smart Load

This article reviews the fundamental features of an effective protection scheme, highlights the shortcoming of a typical protection implementation—such as a high bill of materials and PC board size occupation—and introduces a new family of integrated, highly flexible protection ICs that address these concerns.


The RF Platformization for the 5G and IoT Designs

The RF Platformization for the 5G and IoT Designs

New design resources are becoming available as RF front-ends enter into high gear amid the 5G and IoT take-off.


News May 30, 2018 by Majeed Ahmad
PCB Layout for a Charge-Pump Bipolar Power Supply

PCB Layout for a Charge-Pump Bipolar Power Supply

In this article we’ll look at the PCB design for a low-noise ±5 V inductorless power supply.


Two New SPI Analog Mux Switches from Analog Devices

Two New SPI Analog Mux Switches from Analog Devices

Analog Devices recently announced two new SPI-controlled analog mux switches: the ADGS1208, which has eight single channels, and the ADGS1209, which has four differential channels.


News May 25, 2018 by Nick Davis
How to Design Schmitt Trigger Oscillators

How to Design Schmitt Trigger Oscillators

This article discusses the good and the bad regarding Schmitt Trigger RC oscillators. These oscillators are especially important because they are present in the internal oscillator in many popular MCUs.


Exactly How Schmitt Trigger Oscillators Work

Exactly How Schmitt Trigger Oscillators Work

This article is intended to help readers understand the good and the bad traits of Schmitt Trigger RC oscillators, which are especially important because they are present in the internal oscillator in popular MCUs.


Resolving the Signal Part 5: Understanding Effective Noise Bandwidth in Precision Delta-Sigma ADCs

Resolving the Signal Part 5: Understanding Effective Noise Bandwidth in Precision Delta-Sigma ADCs

Part 5 of this 12-part series continues to explore effective noise bandwidth as it relates to delta-sigma ADCs and system-level design by stepping through a simple example using a two-stage filter to understand how to calculate the ENBW and how system changes affect the ENBW.


Considerations for FPGA Implementation of Linear-Phase FIR Filters

Considerations for FPGA Implementation of Linear-Phase FIR Filters

This article will review considerations for efficient FPGA implementation of symmetric FIR filters.


Designing a Charge-Pump Bipolar Power Supply

Designing a Charge-Pump Bipolar Power Supply

This article presents and discusses a schematic design for a ±5 V inductorless power supply.


My 40-Year Love Affair with a Remarkable Amplifier—A Class B Amplifier for Audiophiles

My 40-Year Love Affair with a Remarkable Amplifier—A Class B Amplifier for Audiophiles

The Blomley amplifier was designed over forty years ago, is an alternative power amplifier design that suffers virtually no distortion, and provides a sound which has the presence often lacking in conventional amplifiers.


High Efficiencies, Small Package: An Integrated Boost (Step-Up) Module Regulator from Analog Devices

High Efficiencies, Small Package: An Integrated Boost (Step-Up) Module Regulator from Analog Devices

Linear Tech's new boost (step-up) module regulator comes in a small BGA package and offers high efficiencies.


News May 03, 2018 by Nick Davis
Analog Devices ADM2795E Transceivers | New Product Brief

Analog Devices ADM2795E Transceivers | New Product Brief

Analog Devices' ADM2795E is an isolated RS-485 transceiver with transient protection for use in HVAC, industrial field bus, building automation, and utility network applications.