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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.


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.


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.


Selecting Inductors for Step-Down Switching Regulators, Continued

Selecting Inductors for Step-Down Switching Regulators, Continued

Are you picking out components for a step-down switching regulator? Learn how to think about inductance values and inductor current when choosing an inductor.


Choosing Inductor Values for Step-Down Switching Voltage Regulators

Choosing Inductor Values for Step-Down Switching Voltage Regulators

Proper inductor selection is one key to the successful design and implementation of a switching regulator. This article will help you understand the relationship between the inductor value and circuit performance.


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.


Exploring Single Stub Impedance Matching Through Smith Chart Examples

Exploring Single Stub Impedance Matching Through Smith Chart Examples

Learn about impedance matching using a single stub, transmission lines, and immittance Smith chart examples.


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.


Investigating Lossless Transmission Line Phase Constant and Infinite Bandwidth

Investigating Lossless Transmission Line Phase Constant and Infinite Bandwidth

Learn how to derive the wave equations for a lossless transmission line and look at its infinite bandwidth and phase constant.


Simulating Non-linear Transformers in LTspice

Simulating Non-linear Transformers in LTspice

Learn how to use non-linear models in LTspice to simulate the characteristics of transformers, a crucial part of SMPS (switched-mode power supply) design.


An Introduction to Switched-capacitor Circuits

An Introduction to Switched-capacitor Circuits

In this series of articles, we’ll discuss one of the fundamental building blocks of analog IC design: the switched-capacitor circuit.


How to Use Decoupling Capacitor Placement to Reduce Harmonic Distortion

How to Use Decoupling Capacitor Placement to Reduce Harmonic Distortion

Learn how to reduce second harmonic distortion by following some guidelines for placing decoupling capacitors in your PCB layout.


Introduction to Battery Management Systems

Introduction to Battery Management Systems

Learn the high-level basics of what role battery management systems (BMSs) play in power design and what components are necessary for their basic functions.


Construction of a Guitar Amplifier

Construction of a Guitar Amplifier

This article explains the theory and the construction of the circuit of a 10W practice guitar amplifier.


Modeling Inductors with LTspice

Modeling Inductors with LTspice

This article discusses how to model inductors using LTspice circuit simulation software.


What Is a Voltage Drop in an Electric Circuit?

What Is a Voltage Drop in an Electric Circuit?

How exactly does polarity factor into the voltage drops across the three basic elements of electrical circuits—resistors, capacitors, and inductors?


Introduction to Vibration Energy Harvesting

Introduction to Vibration Energy Harvesting

Learn more about vibration energy harvesting as a source of power for electronic systems.


Understanding Schematics

Understanding Schematics

If you're looking to get a better handle on how to read schematics, this helpful guide will give you a head start.


Understanding Phase Shift in Analog Circuits

Understanding Phase Shift in Analog Circuits

Learn about phase shift and how this fundamental electrical phenomenon is related to different circuit configurations.


Electrical Symbols for Electronic Components: Passive Components

Electrical Symbols for Electronic Components: Passive Components

This two-article series provides an overview of circuit symbols, along with some information on the components that they represent.