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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.


How to Use a Diode as a Thermometer

How to Use a Diode as a Thermometer

This article, part of AAC’s Analog Circuit Collection, presents a straightforward circuit that allows you to measure temperature with little more than a diode and a BJT.


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.


Two for One: A Buck Regulator and an LDO in a Single Package from Analog Devices

Two for One: A Buck Regulator and an LDO in a Single Package from Analog Devices

Called a Micro PMU, this IC from Analog Devices offers a 3A buck regulator and a 3A ultralow-noise LDO in a single package.


News Feb 09, 2018 by Nick Davis
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.


500mA of Current with a 1% Voltage Output Accuracy: A Low Noise LDO from Maxim Integrated

500mA of Current with a 1% Voltage Output Accuracy: A Low Noise LDO from Maxim Integrated

Maxim Integrated recently announced their new series of linear regulators that maintain ±1% output accuracy over a wide operating temperature range with only 12µVrms of noise.


News Feb 07, 2018 by Nick Davis
Conveniently Control Your Load Current with a Voltage-to-Current Converter

Conveniently Control Your Load Current with a Voltage-to-Current Converter

This article, part of AAC’s Analog Circuit Collection, presents a straightforward way to precisely control the current through an LED (or through a typical resistive load).


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
Simplify Your Life with an Analog Window Detector

Simplify Your Life with an Analog Window Detector

This article, part of AAC’s Analog Circuit Collection, presents a simple yet effective replacement for ADC-based window detection.


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.


Nexperia PMDXB600UNEL 20V Dual N-Channel Trench MOSFET | New Product Brief

Nexperia PMDXB600UNEL 20V Dual N-Channel Trench MOSFET | New Product Brief

Nexperia’s PMDXB600UNEL is a 20 V dual n-channel enhancement mode MOSFET with low leakage current in an ultrasmall, ultrathin leadless surface mount package.


Extending Bandwidth to Crush X-Band Frequencies Using a Track-and-Hold Sampling Amplifier and RF ADC

Extending Bandwidth to Crush X-Band Frequencies Using a Track-and-Hold Sampling Amplifier and RF ADC

In this article, I show that designers can achieve 10 GHz bandwidth when using a THA in front of one of Analog Dialogue's RF market converters.


Stable and Precise Voltages: A New Family of Low-Power, High-Precision Voltage Reference ICs

Stable and Precise Voltages: A New Family of Low-Power, High-Precision Voltage Reference ICs

STMicroelectronics introduces their new family of micropower high-precision voltage reference ICs.


News Jan 26, 2018 by Nick Davis
How to Generate a Sine Wave: The Phase-Shift Oscillator

How to Generate a Sine Wave: The Phase-Shift Oscillator

This article, part of AAC’s Analog Circuit Collection, explains a fairly straightforward circuit that can be used as part of an analog oscillator.


A Configurable Sensor Monitor for Power-Sensitive Designs from Texas Instruments

A Configurable Sensor Monitor for Power-Sensitive Designs from Texas Instruments

Texas Instruments recently announced a new nanopower, dual-channel, programmable sensor monitor to help designers optimize system power.


News Jan 25, 2018 by Nick Davis
Resolving the Signal Part 1: Introduction to Noise in Delta-Sigma ADCs

Resolving the Signal Part 1: Introduction to Noise in Delta-Sigma ADCs

This 12-part “Resolving the Signal” series aims to provide a comprehensive understanding of noise in delta-sigma ADCs. In part 1 of this series, I’ll focus on ADC noise fundamentals.


Designing a Self-Biasing Class C Amplifier

Designing a Self-Biasing Class C Amplifier

This article, part of AAC’s Analog Circuit Collection, explores a self-biased class C stage that could be used in an RF power amplifier.


Analog Devices LT8600-Series High-Voltage Buck Regulators | New Product Brief

Analog Devices LT8600-Series High-Voltage Buck Regulators | New Product Brief

Analog Devices LT8600-series High-Voltage Buck Regulators are high-efficiency step-down regulators with a wide input voltage range and an ultra-low quiescent current burst mode operation.


How to Build Your Own Function Generator Using Analog Devices’ AD9833

How to Build Your Own Function Generator Using Analog Devices’ AD9833

Tired of using your PC or mobile phone as a signal generator? It’s time to upgrade to a standalone one by making it yourself.


Projects Jan 17, 2018 by Cezar Chirila