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Sending ICs to Space: An Isolated Error Amplifier from Analog Devices

Sending ICs to Space: An Isolated Error Amplifier from Analog Devices

The ADuM3190S is an isolated error amplifier intended for use with linear feedback power supplies. The transfer function of this device is stable over a wide temperature range and over the lifetime of the device.


News Jul 19, 2018 by Mark Hughes
An ADC for Low-Power Data Acquisition Designs: A DC-to-204 kHz, Configurable ADC from Analog Devices

An ADC for Low-Power Data Acquisition Designs: A DC-to-204 kHz, Configurable ADC from Analog Devices

This article will look at some of the most important features of the AD7768-1, a new ADC from Analog Devices that is intended for low-power data acquisition (DAQ) designs.


News Jul 10, 2018 by Dr. Steve Arar
Precise Time-Keeping: The Crystal Oscillator, the Atomic Clock, and the Quantum Clock

Precise Time-Keeping: The Crystal Oscillator, the Atomic Clock, and the Quantum Clock

Time is really important in electronics, being used in other measurements including the volt. Depending on the application, different ways of time-keeping may be required for electronic devices. Here’s a look at a few ways of time-keeping, and their applications.


News Jun 27, 2018 by Chantelle Dubois
Developing Voice-Activated Systems: A Low-Power Stereo ADC from Texas Instruments

Developing Voice-Activated Systems: A Low-Power Stereo ADC from Texas Instruments

This article will look at some of the most important features of TLV320ADC3100 which is TI’s newly-released ADC for voice-activated systems.


News Jun 22, 2018 by Dr. Steve Arar
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
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
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.


PLL Frequency Multiplication: Transient Response and Frequency Synthesis

PLL Frequency Multiplication: Transient Response and Frequency Synthesis

Does the addition of a feedback divider affect PLL transient response? We’ll look at this question and other frequency-multiplication topics in this article.


How to Optimize the Transient Response of a Phase-Locked Loop

How to Optimize the Transient Response of a Phase-Locked Loop

In this article we’ll explore the mathematical relationships that will help you to design a PLL that quickly and smoothly locks onto the input frequency.


What Exactly Is a Phase-Locked Loop, Anyways?

What Exactly Is a Phase-Locked Loop, Anyways?

This article introduces a phase-based feedback system that plays an important role in many applications.


How to Low-Pass Filter a Square Wave

How to Low-Pass Filter a Square Wave

This article, part of AAC’s Analog Circuit Collection, presents a circuit that is a good choice when you need to remove high-frequency noise from a digital signal.


What Exactly Is a Quartz Crystal, Anyways? A Look at Quartz Crystal Oscillators

What Exactly Is a Quartz Crystal, Anyways? A Look at Quartz Crystal Oscillators

This article explains some theory behind an extremely common electronic component.


Digitally Adjust DC-to-DC Voltage Regulators: A PMBus-Controlled Current DAC

Digitally Adjust DC-to-DC Voltage Regulators: A PMBus-Controlled Current DAC

A PMBus-controlled, bidirectional current DAC (digital-to-analog converter) that can adjust the output voltage of a DC/DC converter.


News Mar 02, 2018 by Nick Davis
How to Monitor Current with an Op-Amp, a BJT, and Three Resistors

How to Monitor Current with an Op-Amp, a BJT, and Three Resistors

This article, part of AAC’s Analog Circuit Collection, explains the functionality of a clever circuit that accurately measures supply current.


Resolving the Signal: Introduction to Noise in Delta-Sigma ADCs Part 2

Resolving the Signal: Introduction to Noise in Delta-Sigma ADCs Part 2

In part 2 of this series, I'll continue the fundamental ADC noise discussion by covering how to measure ADC noise, noise specifications in ADC data sheets, and absolute versus relative noise parameters.


Need a Current Regulator? Use a Voltage Regulator!

Need a Current Regulator? Use a Voltage Regulator!

This article, part of AAC’s Analog Circuit Collection, shows you how linear voltage regulators can also be handy in constant-current applications.


When a Diode Simply Isn’t Good Enough: The Superdiode

When a Diode Simply Isn’t Good Enough: The Superdiode

This article, part of AAC’s Analog Circuit Collection, discusses an interesting circuit in which an op-amp and an ordinary diode work together to create a superdiode.


One Crystal Oscillator to Replace Many: I2C User-Programmable XO for Frequencies of 0.2 to 1500 MHz

One Crystal Oscillator to Replace Many: I2C User-Programmable XO for Frequencies of 0.2 to 1500 MHz

A new high-performance I2C-programmable crystal oscillator (XO) that delivers an ultra-low-jitter output frequency.


News Feb 05, 2018 by Nick Davis
Implementing Your Phase-Shift Oscillator: Frequency Response and Amplitude Stabilization

Implementing Your Phase-Shift Oscillator: Frequency Response and Amplitude Stabilization

This article, part of AAC’s Analog Circuit Collection, explores a handy circuit that can generate sustained sinusoidal oscillations.