All About Circuits

Latest Amplifiers Articles and Videos

Categories

Clock-Noise Impact on RF Signals for Different Receiver Architectures

Clock-Noise Impact on RF Signals for Different Receiver Architectures

This article examines the common assumption that the clock-performance requirement for an RF sampling ADC is much more stringent compared to a heterodyne approach.


Isolation in Digital Power Supply—Why and How

Isolation in Digital Power Supply—Why and How

Digital power supplies are widely employed in high-end servers, storage, telecom brick modules, and more. For these applications, isolation is often required. This article discusses the digital isolation techniques with Analog Devices’ iCoupler products in digital power supply design.


Isolation and Gain: A New Isolation Amplifier from Texas Instruments Suited for Current Sensing

Isolation and Gain: A New Isolation Amplifier from Texas Instruments Suited for Current Sensing

Amplifiers such as the AMC1301-Q1 are a convenient solution for isolated current and voltage measurements.


News Jul 07, 2017 by Robert Keim
High Fidelity, Low Power: A New Audio Amplifier from Analog Devices

High Fidelity, Low Power: A New Audio Amplifier from Analog Devices

You can simplify and improve the performance of your audio circuits with amplifier ICs such as the SSM6322.


News Jun 21, 2017 by Robert Keim
Op-Amp Input Overvoltage Protection: Clamping vs. Integrated

Op-Amp Input Overvoltage Protection: Clamping vs. Integrated

High precision op amps enable system designers to create circuits that condition signals (amplify, filter, and buffer) while maintaining the precision of the original signal. The precision of the total system depends on maintaining the precision of the signal path.


Analog Devices HMC8500 Amplifiers | New Product Brief

Analog Devices HMC8500 Amplifiers | New Product Brief

Analog Devices HMC8500 are high gain, high efficiency, wideband gallium nitride RF power amplifiers capable of an output greater than 10 W.


Radio Meets Fiber Optics: RF Over Fiber

Radio Meets Fiber Optics: RF Over Fiber

Radio Over Fiber (ROF) combines RF and optics, providing optical links to replace strategic portions of cellular, satellite, and copper based systems.


Understanding and Eliminating 1/f Noise

Understanding and Eliminating 1/f Noise

This article defines 1/f noise and goes over ways to reduce or eliminate it in precision measurement applications.


Wide Bandwidth, Low Phase Noise for High-Speed Systems: TI Releases ADC12DJ3200 ADC and LMX2594 PLL

Wide Bandwidth, Low Phase Noise for High-Speed Systems: TI Releases ADC12DJ3200 ADC and LMX2594 PLL

In this news brief, we look at the ADC12DJ3200 and the LMX2594 from Texas Instruments. Both products work together to help widen bandwidth and lower phase noise for high-speed systems.


News Jun 02, 2017 by Karissa Manske
Amplify, Then Convert: A New High-Speed ADC Driver from Linear Tech

Amplify, Then Convert: A New High-Speed ADC Driver from Linear Tech

Good analog-to-digital conversion starts with good pre-ADC signal conditioning. Specialized devices such as the LTC6432-15 can help in this effort.


An Introduction to Audio Electronics: Sound, Microphones, Speakers, and Amplifiers

An Introduction to Audio Electronics: Sound, Microphones, Speakers, and Amplifiers

Learn about the basics of audio electronics, which convert sound signals into electrical signals, process these electrical signals, and convert them back into sound.


Addressing Harmonic Distortion in Audio Amplifiers

Addressing Harmonic Distortion in Audio Amplifiers

Harmonic distortion can be introduced to audio amplifiers from many sources but reduced to levels below the threshold of human hearing.


Flexible ECG Front-End IC Serves Ultra Low-Power IoT Edge Node Signal Processing Designs

Flexible ECG Front-End IC Serves Ultra Low-Power IoT Edge Node Signal Processing Designs

As system designers search for power efficient signal conditioning components, they may find that there are very few ICs available under 100 μ‎A supply current and even fewer that include a small package variant.


Exploring UC Berkeley’s Wearable Sweat Sensor for Monitoring Dehydration

Exploring UC Berkeley’s Wearable Sweat Sensor for Monitoring Dehydration

Researchers develop a wearable sensor for detecting important analytes in sweat for monitoring dehydration.


Analyzing and Solving Fixed Frequency Spur Issues in High Precision ADC Signal Chains

Analyzing and Solving Fixed Frequency Spur Issues in High Precision ADC Signal Chains

This article will introduce approaches for determining the root causes of spur issues in high-resolution precision ADC applications and present solutions to solve them.


Analog Devices HMC8400 Series Amplifiers | New Product Brief

Analog Devices HMC8400 Series Amplifiers | New Product Brief

Analog Devices' HMC8400 series amplifiers provide designers the wide bandwidth and low noise operation needed for communications and test instrumentation.


Finding Maximums in Noisy Data

Finding Maximums in Noisy Data

In this article, we'll first study types of noise and then try to eliminate them by filtering the data. Finally, we'll try to find peaks in that data.


FET vs. BJT vs. IGBT: What’s the Right Choice for Your Power Stage Design?

FET vs. BJT vs. IGBT: What’s the Right Choice for Your Power Stage Design?

This article will help the reader understand the different types of power semiconductors: how they work, their key parameters, and trade-offs.


New Class D Amplifiers and a DSP for Your Audio Applications

New Class D Amplifiers and a DSP for Your Audio Applications

In this article we’ll look at three new components for amplifying and processing audio signals.


News Mar 10, 2017 by Robert Keim
Analyzing and Managing the Impact of Supply Noise and Clock Jitter on High Speed DAC Phase Noise

Analyzing and Managing the Impact of Supply Noise and Clock Jitter on High Speed DAC Phase Noise

Out of all device properties, noise can be an especially challenging topic to grasp and design for.