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Reducing Distortion in Tape Recordings with Hysteresis in SPICE

Reducing Distortion in Tape Recordings with Hysteresis in SPICE

Summary


Tips for Achieving Low-Frequency Precision and Improved Bandwidth in Photodiode Circuits

Tips for Achieving Low-Frequency Precision and Improved Bandwidth in Photodiode Circuits

This article continues our discussion of design techniques that help us to improve the performance of transimpedance amplifiers.


Continuous-Time Sigma-Delta ADCs: the “Alias-Free” ADC

Continuous-Time Sigma-Delta ADCs: the “Alias-Free” ADC

In this article, we'll review the basics of sigma-delta ADCs—and continuous-time sigma-delta ADCS in particular—using a recent CTSD from ADI as an example.


News Dec 10, 2020 by Dr. Steve Arar
When Bandwidth is Stretched Thin, Voltage-Controlled Oscillators are a Key Solution

When Bandwidth is Stretched Thin, Voltage-Controlled Oscillators are a Key Solution

With bandwidth demand at an all-time high, designers may find themselves using voltage-controlled oscillators more frequently in wireless communication applications.


The Op-Amp Voltage Comparator Circuit

The Op-Amp Voltage Comparator Circuit

In this video, we will discuss circuits that use an operational amplifier to compare the amplitude of one signal to the amplitude of another signal or to a reference voltage.


Decision Feedback Equalization: the Technique Driving DDR5’s Blazing-Fast Transfer Rates

Decision Feedback Equalization: the Technique Driving DDR5’s Blazing-Fast Transfer Rates

As an EE, you might wonder how DDR5 can support blazing-fast transfer rates. One factor is an equalization technique called decision feedback equalization (DFE).


News Oct 29, 2020 by Dr. Steve Arar
Op-Amps as Low-Pass and High-Pass Active Filters

Op-Amps as Low-Pass and High-Pass Active Filters

In this video we will explore a particularly important application of op-amps, namely, the design of high-performance filters that do not require inductors.


Review of the Op-Amp Integrator

Review of the Op-Amp Integrator

In this video, we will learn about the op-amp integrator, which performs mathematical integration and requires nothing more than an op-amp and a few passive components.


Technology Enablers for Faster, Safer, High-Efficiency EV chargers

Technology Enablers for Faster, Safer, High-Efficiency EV chargers

This article looks at semiconductor technologies that are driving EV chargers, including high-voltage semiconductor switches, power converters, and multi-level complex power stages.


Active Rectifier Circuits: Convert Alternating Current to Direct Current

Active Rectifier Circuits: Convert Alternating Current to Direct Current

In this video we will discuss the active rectifier, which is an op-amp-based circuit that uses a normal diode in conjunction with negative feedback to rectify signals without generating a significant amplitude difference between the input voltage and the rectified output voltage.


How to Reduce Noise in Low-Voltage Amplifier Designs

How to Reduce Noise in Low-Voltage Amplifier Designs

This article compares the noise performance of two different amplifiers and optimizes noise performance through the use of passive filtering.


Transimpedance Amplifier: Op-Amp-Based Current-to-Voltage Signal Converter

Transimpedance Amplifier: Op-Amp-Based Current-to-Voltage Signal Converter

In this video we’ll study an op-amp-based current-to-voltage converter. This widely used circuit is a simple and effective means of converting the output of a current source into a typical voltage signal.


Applications of the Op-Amp: Voltage Follower Circuit

Applications of the Op-Amp: Voltage Follower Circuit

In this video, we’ll be exploring the voltage follower, which is a good example of an op-amp circuit that is simple yet very useful.


Common Operational Amplifier (Op-Amp) Applications

Common Operational Amplifier (Op-Amp) Applications

In this video, we’ll look at some circuits that represent common op-amp applications. We’ll start with the voltage follower, then we’ll move on to an inverting amplifier, an active filter, and a current-to-voltage converter.


Basic Amplifier Configurations: the Inverting Amplifier

Basic Amplifier Configurations: the Inverting Amplifier

This video tutorial examines a fundamental op-amp-based amplifier configuration that not only applies gain but also changes the polarity of the input signal.


Frequency Response of Op-Amp Circuits

Frequency Response of Op-Amp Circuits

This video explores the frequency response of a realistic op-amp and discusses how this frequency response influences the operation of op-amp-based amplifier circuits.


Precisely Capture Servo Motor Position Using a High-Speed Simultaneous Sampling ADC

Precisely Capture Servo Motor Position Using a High-Speed Simultaneous Sampling ADC

Autonomous drones and robots utilize small motors. These fast-spinning mini motors require miniature encoders and IC package sizes. This article shows how an optical sinusoidal encoder provides a higher resolution and increased speeds with a 2x3 mm dual simultaneous-sampling SAR-ADC.


Architecture and Design Techniques of Op-Amps

Architecture and Design Techniques of Op-Amps

In this video we will examine the internal circuitry of an operational amplifier. A thorough analysis of any professional-quality op-amp would be far too complicated for an introductory video tutorial, but if we focus on the overall architecture and a few specific design techniques, we can learn quite a bit about op-amp functionality without getting lost in the details.


Ideal Op-Amp Characteristics

Ideal Op-Amp Characteristics

This video explores the characteristics of an idealized op-amp—that is, an op-amp that does not reflect true device operation but does, nonetheless, allow us to design functional circuits.


Wi-Fi Is a Power Guzzler. New Multi-Protocol Modules May Change the Game of Battery-Based IoT

Wi-Fi Is a Power Guzzler. New Multi-Protocol Modules May Change the Game of Battery-Based IoT

Wi-Fi's high power consumption represents a serious challenge to battery-powered IoT products. But this may no longer be a problem with the digitally-dominant advanced radio architecture of two new modules from Innophase.


News Jun 09, 2020 by Dr. Steve Arar