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Gain Definitions for the Y-Factor Method of NF Measurements: Available Gain or Insertion Gain?

Gain Definitions for the Y-Factor Method of NF Measurements: Available Gain or Insertion Gain?

The Y-factor method is a widely used technique for measuring the gain and noise figure (NF) of RF components. This article will help you understand the differences between the insertion gain and the available gain, while avoiding potentially significant errors when measuring the noise figure.


An RMS Detector for a Wideband Voltmeter—Design and Operation

An RMS Detector for a Wideband Voltmeter—Design and Operation

This project demonstrates the design and operation of a root-mean-squared (RMS) detector for inclusion in a wideband voltmeter. The RMS detector is useful for measuring certain signal types, including noise, since it provides an indication of the energy in a signal.


Projects Jun 25, 2023 by John Woodgate
Suite of New Gate Driver ICs Tackle SiC-based Power Applications

Suite of New Gate Driver ICs Tackle SiC-based Power Applications

Three new gate driver solutions aim to serve a wide range of applications in motor drives, electric vehicles, solar inverters, and more.


News Jun 06, 2023 by Abdulwaliy Oyekunle
Noise Figure Concepts—Power Gain, Lossy Components, and Cascaded Systems

Noise Figure Concepts—Power Gain, Lossy Components, and Cascaded Systems

Learn about the RF noise figure (NF), its power gain, lossy components, and cascaded systems.


Analyzing a Negative Voltage Charge Pump in LTspice—Source and Load Resistance

Analyzing a Negative Voltage Charge Pump in LTspice—Source and Load Resistance

Learn about using LTspice simulations to provide important insight into the performance of a switched-capacitor voltage-inverting power supply.


Understanding the RF Noise Figure Specification

Understanding the RF Noise Figure Specification

Take a closer look at the definition of the RF noise figure and discuss some subtleties to help avoid erroneous interpretations of this specification.


Designing a Wideband Analog Voltage and Current Meter

Designing a Wideband Analog Voltage and Current Meter

Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity from 1 mV to 100 V, while the ammeter has a selectable current sensitivity of 10 mA to 10 A.


Projects May 03, 2023 by John Woodgate
Flux Adds AI Design Assistant to Its Browser-based PCB Design Tool

Flux Adds AI Design Assistant to Its Browser-based PCB Design Tool

Flux is launching an integrated AI-powered “chatbot-like” design assistant that’s integrated into its web-based online PCB design tool.


News Apr 27, 2023 by Jeff Child
xMEMS’ All-silicon, Solid-state Fidelity Micro Speakers Now Available

xMEMS’ All-silicon, Solid-state Fidelity Micro Speakers Now Available

These speakers are said to offer higher performance in a smaller size, bringing high-fidelity audio to new applications.


News Apr 25, 2023 by Aaron Carman
Creating a DCO-based Audio Synthesizer With an Arduino Nano

Creating a DCO-based Audio Synthesizer With an Arduino Nano

In this project, learn to create a digitally-controlled oscillator or DCO-based audio synthesizer with an Arduino Nano or an Arduino Uno.


Projects Apr 09, 2023 by Darby Hewitt
Can Voltage Be Negative? Understanding Negative Voltage

Can Voltage Be Negative? Understanding Negative Voltage

In addition to explaining the nature of a negative voltage, this article briefly discusses how negative voltages are generated and why they are useful in circuit design.


ROHM Boasts ±1% Accuracy in New Current Sense Amplifier ICs

ROHM Boasts ±1% Accuracy in New Current Sense Amplifier ICs

Built for industrial applications, the new IC from ROHM is said to offer high-accuracy current sensing while reducing PCB area.


News Mar 14, 2023 by Jake Hertz
Targeting 6G, “World’s First” Compact Amplifier IC Breaks 100 GHz

Targeting 6G, “World’s First” Compact Amplifier IC Breaks 100 GHz

A new high-frequency amplifier could play a significant role in future high-speed communication networks.


News Feb 28, 2023 by Jake Hertz
CML Microcircuits CMX90G70 RF Amplifiers | New Product Brief

CML Microcircuits CMX90G70 RF Amplifiers | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.


Infineon Unveils Tiny MEMS Microphone Touting High SNR, 520 μA Power

Infineon Unveils Tiny MEMS Microphone Touting High SNR, 520 μA Power

Putting its proprietary MEMS technology and clever ASIC design to work, Infineon marries high audio quality and low lower in a tiny microphone device.


News Feb 13, 2023 by Jeff Child
Apex Microtechnology PA107DP Power Operational Amplifiers | New Product Brief

Apex Microtechnology PA107DP Power Operational Amplifiers | New Product Brief

This New Product Brief (NPB) is part of a video series highlighting the features, applications, and technical specs of newly-released products.


An Introduction to Current Sources

An Introduction to Current Sources

Current sources are less familiar than voltage sources like batteries and AC wall power. Current sources usually are buried, unseen, inside electronic circuitry. Learn what they are and how they are designed.


5 Online EE Resources I WOULD Have Been Thankful For

5 Online EE Resources I WOULD Have Been Thankful For

On this Thanksgiving Day, Jeff wonders what his EE college days would have been like if he’d had access to All About Circuits’ rich online resources.


News Nov 24, 2022 by Jeff Child
Our Electronica Interview with Infineon PSS Division President Adam White

Our Electronica Interview with Infineon PSS Division President Adam White

In Infineon’s booth in the vast Hall C3 at Electronica 2022, we caught up with Adam White to talk supply chain, sustainability, green energy, and more.


News Nov 23, 2022 by Jeff Child
Magnetic Field Strength Meter and Calibrator

Magnetic Field Strength Meter and Calibrator

This project will explain how to develop a system to measure magnetic field emissions at frequencies up to 150 kHz from high-current power cables without cutting or disturbing the cable.


Projects Oct 28, 2022 by John Woodgate