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Why Class D Amplifiers Need Anti-Parallel Diodes

Why Class D Amplifiers Need Anti-Parallel Diodes

Learn how anti-parallel diodes protect Class D amplifiers from the effects of reactive loads and inductive kickback.


Introduction to Switching-Mode Power Amplifiers: Class D Operation

Introduction to Switching-Mode Power Amplifiers: Class D Operation

In this article, we'll learn the basics of switching-mode RF amplifiers in general and Class D amplifiers in particular.


Understanding the Limitations of the Class C Power Amplifier

Understanding the Limitations of the Class C Power Amplifier

In this article, we explore the drawbacks of Class C operation through a performance comparison with Class A and Class B amplifiers.


Rohm Announces the ‘Industry’s Smallest’ CMOS Op Amp

Rohm Announces the ‘Industry’s Smallest’ CMOS Op Amp

Rohm designed the new 0.88 mm x 0.58 mm rail-to-rail op amp for devices where space is at a premium, such as smartphones and IoT devices.


News Aug 08, 2024 by Duane Benson
Introduction to the Common-Drain Amplifier: Small-Signal Behavior

Introduction to the Common-Drain Amplifier: Small-Signal Behavior

The common-drain amplifier is a single-stage configuration that uses the gate as its input and the source as its output. Learn about its small-signal characteristics in this article.


Rohm Blends Analog and Digital for Optimal Power Control

Rohm Blends Analog and Digital for Optimal Power Control

LogiCoA provides digital precision with power consumption equivalent to analog power supplies.


News Aug 06, 2024 by Jake Hertz
QSPICE Circuit Simulation: A Spicy Discussion with Mike Engelhardt

QSPICE Circuit Simulation: A Spicy Discussion with Mike Engelhardt

Legendary circuit simulation guru Mike Engelhardt of Qorvo discusses QSPICE, his most advanced simulator ever. He explains the technological advancements that enabled QSPICE and the legacy of LTspice.


Introduction to the Common-Drain Amplifier: Large-Signal Behavior

Introduction to the Common-Drain Amplifier: Large-Signal Behavior

Also known as the source follower, the common-drain amplifier is notable for its low output impedance. This article introduces the basic common-drain configuration and examines its large-signal characteristics.


SiTime Introduces ‘Smallest and Lowest Power’ 32 kHz Crystal Oscillator

SiTime Introduces ‘Smallest and Lowest Power’ 32 kHz Crystal Oscillator

The new oscillator chip delivers low power consumption and ±20 ppm frequency stability to small IoT devices in a 1.2 mm x 1.1 mm QFN package


News Jul 22, 2024 by Duane Benson
The Wireless Alphabet Flasher: A Radio Shack Classics Circuit Remix

The Wireless Alphabet Flasher: A Radio Shack Classics Circuit Remix

In this project, we mix the old and the new by integrating present-day BLE technology with a vintage Science Fair computer kit.


Projects Jul 21, 2024 by Don Wilcher
MIT’s Implantable Microphone May Lead to Internal Cochlear Implants

MIT’s Implantable Microphone May Lead to Internal Cochlear Implants

The new tiny biocompatible sensor may overcome one of the last cochlear implant hurdles.


News Jul 08, 2024 by Duane Benson
Op Amps From ST, TI, and Rohm Vault Analog Design Challenges

Op Amps From ST, TI, and Rohm Vault Analog Design Challenges

Analog designers rejoice! ST, TI, and Rohm have released new op amps to address unique analog pain points.


News Jul 05, 2024 by Aaron Carman
TDK Launches Sensor Partner Program and MEMS Microphone

TDK Launches Sensor Partner Program and MEMS Microphone

TDK is building a collaborative ecosystem around its InvenSense MEMS sensors for IoT, wearable, hearable, AR/VR, and robotics applications.


News Jun 28, 2024 by Jake Hertz
NXP Adds to AI Automotive Portfolio With Audio Processing DSP Chips

NXP Adds to AI Automotive Portfolio With Audio Processing DSP Chips

The chip family promises to deliver a significant upgrade to automotive infotainment systems.


News Jun 25, 2024 by Duane Benson
Startup Orca Semiconductor Exits Stealth Sampling Its First PMIC

Startup Orca Semiconductor Exits Stealth Sampling Its First PMIC

The new startup is tackling the inefficiencies of “big analog” with its application-specific approach.


News Jun 20, 2024 by Jake Hertz
TDK YFF 3-Terminal Filters | Featured Product Spotlight

TDK YFF 3-Terminal Filters | Featured Product Spotlight

TDK YFF 3-Terminal Filters offers ultra-low equivalent series inductance (ESL) solutions, designed to replace traditional multi-component LC circuits with an innovative structure. Watch and learn all about their features, specs, applications, and more!


Simulating MOSFET Current-Voltage Characteristics Using Advanced SPICE Models

Simulating MOSFET Current-Voltage Characteristics Using Advanced SPICE Models

In this article, we use a SPICE model for 90 nm CMOS to plot key electrical relationships of an NMOS transistor.


Using Advanced SPICE models to Characterize an NMOS Transistor

Using Advanced SPICE models to Characterize an NMOS Transistor

SPICE models designed for specific CMOS process nodes can enhance simulations of integrated-circuit transistors. Learn where to find these models and how to use them.


Qorvo Claims ‘Industry’s Highest Gain’ Pre-Driver for 5G Massive MIMO

Qorvo Claims ‘Industry’s Highest Gain’ Pre-Driver for 5G Massive MIMO

The new device helps to ensure linearity and high performance in 5G signal chains.


News Jun 03, 2024 by Jake Hertz
Using Clever Techniques to Convert a Passive Audio Filter Into an Active Filter

Using Clever Techniques to Convert a Passive Audio Filter Into an Active Filter

This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow us to transform a passive network into an active network while building an audio noise filter.


Projects Jun 02, 2024 by John Woodgate