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Understanding the 12-Term Error Model and SOLT Calibration Method for VNA Measurements

Understanding the 12-Term Error Model and SOLT Calibration Method for VNA Measurements

The 12-term error model is a simple, effective way of modeling systematic errors in vector network analyzer (VNA) measurements. Learn about this model and an associated error correction technique in this article.


Frequency Response of the MOSFET Common-Source Amplifier

Frequency Response of the MOSFET Common-Source Amplifier

In this article, we learn about the frequency response of the MOSFET common-source amplifier by examining its s-domain transfer function.


EPCOS / TDK ERUC23 SMT Flat Wire Coupled Inductors | New Product Brief

EPCOS / TDK ERUC23 SMT Flat Wire Coupled Inductors | New Product Brief

EPCOS / TDK ERUC23 SMT Flat Wire Coupled Inductors offer a high-performance solution characterized by low loss ferrite, high saturation currents, and low DC resistance. Watch and learn all about their features, specs, applications, and more!


Introduction to Transmission Line Transformers and the Bifilar Coil

Introduction to Transmission Line Transformers and the Bifilar Coil

Learn how a bifilar coil can be used to design transformers for high-frequency RF applications.


Understanding the Non-Idealities of Magnetically Coupled RF Transformers

Understanding the Non-Idealities of Magnetically Coupled RF Transformers

In this article, we’ll learn about the limitations of magnetically coupled transformers in RF applications by modeling the devices' high-frequency non-idealities.


Small-Signal MOSFET Models for Analog IC Design

Small-Signal MOSFET Models for Analog IC Design

The small-signal characteristics of MOSFETs play an important role in analog IC design. In this article, we learn how to model MOS transistors' small-signal behaviors.


A Simple Procedure for Creating Any Resistance Using Standard Resistors

A Simple Procedure for Creating Any Resistance Using Standard Resistors

Have you ever needed an unusual, non-standard resistance value for the project you are building? This article will provide you with a simple series of steps to build the resistance you need from a collection of resistors.


Editor’s Choice: Our Top 10 News Articles of 2023

Editor’s Choice: Our Top 10 News Articles of 2023

Looking back on the year, here’s a review of the most popular News articles on All About Circuits.


News Dec 31, 2023 by Jeff Child
Introduction to the Inductively-Loaded Class A Power Amplifier

Introduction to the Inductively-Loaded Class A Power Amplifier

Learn how an inductively-loaded common-emitter stage can function as a power amplifier.


International Researchers Move the Needle on Memristor Technology

International Researchers Move the Needle on Memristor Technology

Academics across the globe have made concurrent breakthroughs in a new form of non-volatile memory.


News Dec 19, 2023 by Jake Hertz
Murata Introduces Novel Parasitic Antenna Element Coupling Device

Murata Introduces Novel Parasitic Antenna Element Coupling Device

At 1 mm x 5 mm, the new passive is the first of its kind designed for size-constrained Wi-Fi 6E and Wi-Fi 7 products.


News Dec 15, 2023 by Duane Benson
Supercapacitors Extend Operating Life of Battery-Powered Devices

Supercapacitors Extend Operating Life of Battery-Powered Devices

High-energy and power-dense supercapacitor technologies from Kyocera AVX and Littelfuse help with power management and extend operating times for battery-powered devices and systems.


News Dec 11, 2023 by Mike Falter
RF Amplifier Stability Factors and Stabilization Techniques

RF Amplifier Stability Factors and Stabilization Techniques

Learn ways to test an RF amplifier's stability, techniques to stabilize its operation, and how RF design software can help you do both.


Is Every Conductor an Antenna?

Is Every Conductor an Antenna?

Learn how conductive circuit components can function as antennas, even when they aren't intended to.


MOSFET Non-Idealities in Analog IC Design

MOSFET Non-Idealities in Analog IC Design

MOS transistors exhibit a wide variety of second-order effects not covered by ideal models. To design analog integrated circuits that will work in the real world, we need to understand these non-idealities.


TDK VLBUC Power Inductor | New Product Brief

TDK VLBUC Power Inductor | New Product Brief

The TDK VLBUC Power Inductors are specially designed with dual coil construction for Trans-Inductor Voltage Regulators (TLVR) in server applications. Watch and learn all about their features, specs, applications, and more!


X7R, X5R, C0G…: A Concise Guide to Ceramic Capacitor Types

X7R, X5R, C0G…: A Concise Guide to Ceramic Capacitor Types

This technical brief attempts to dispel some of the fog surrounding the three-character naming convention used to describe ceramic caps.


SiTime Targets Data Centers and Network Gear With MEMS OXCO Family

SiTime Targets Data Centers and Network Gear With MEMS OXCO Family

Armed with specifications well suited to data center and network infrastructure needs, these new MEMS-based oven-controlled crystal oscillators (OXCOs) ensure robust precision timing.


News Sep 22, 2023 by Jake Hertz
Output Voltage and Diode Current in a Boost Converter

Output Voltage and Diode Current in a Boost Converter

Learn how output voltage and diode current affect the behavior of a step-up switching regulator.


Inductor Current in a Boost Converter: a SPICE Analysis

Inductor Current in a Boost Converter: a SPICE Analysis

With the help of LTspice, we examine how inductor current affects the functioning of a boost converter.