Latest Schematic Design Technical Articles

SPICE models designed for specific CMOS process nodes can enhance simulations of integrated-circuit transistors. Learn…

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.

This project covers two fascinating and useful circuit design techniques—the Burton Transform and Dualling—that allow…

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.

When a CMOS inverter switches logic states, power is consumed due to its charging and discharging currents. Learn how to…

When a CMOS inverter switches logic states, power is consumed due to its charging and discharging currents. Learn how to simulate these currents in LTspice.

This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4…

This project will cover the design, construction, and testing of an analog filter meeting the ITU-R BS.468-4 specification, which aims to evaluate the disturbing effects of noise on audio broadcast signals.

Learn ways to test an RF amplifier's stability, techniques to stabilize its operation, and how RF design software can…

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

In this article, we use LTspice to discuss the operation of the voltage error amplifier and PWM generator in a…

In this article, we use LTspice to discuss the operation of the voltage error amplifier and PWM generator in a current-mode-controlled (CMC) step-down regulator.

In this project, we design an A-weighted analog noise filter for audio frequencies. The filter provides a variable…

In this project, we design an A-weighted analog noise filter for audio frequencies. The filter provides a variable frequency gain response that is similar to that of our hearing.

In this article, we’ll learn about current-mode control (CMC) for switching regulators by examining the layout of an…

In this article, we’ll learn about current-mode control (CMC) for switching regulators by examining the layout of an example circuit in LTspice.

Learn how to simulate a switching voltage regulator with a voltage-controlled PWM waveform in LTspice.

Learn how to simulate a switching voltage regulator with a voltage-controlled PWM waveform in LTspice.

Learn about the inverting buck-boost converter, a switching voltage regulator designed to handle unstable input voltages.

Learn about the inverting buck-boost converter, a switching voltage regulator designed to handle unstable input voltages.

In this hands-on project, we will update a 1980s version of a one-shot (monostable multivibrator) circuit by giving it a…

In this hands-on project, we will update a 1980s version of a one-shot (monostable multivibrator) circuit by giving it a modern, colorful output while also examining the circuit's operation.

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

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

Learn how a step-up switching regulator generates an output voltage higher than its input voltage.

Learn how a step-up switching regulator generates an output voltage higher than its input voltage.

What is a boost converter? This article discusses key initial design tasks for a step-up voltage regulator and describes…

What is a boost converter? This article discusses key initial design tasks for a step-up voltage regulator and describes its structure.

Designing a buck converter? Read this article for practical guidance on selecting an output capacitance value.

Designing a buck converter? Read this article for practical guidance on selecting an output capacitance value.

Capacitors are a crucial component of step-down switching regulators. Learn about the different capacitor types and how…

Capacitors are a crucial component of step-down switching regulators. Learn about the different capacitor types and how each one affects regulator performance.

Are you picking out components for a step-down switching regulator? Learn how to think about inductance values and…

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.

Proper inductor selection is one key to the successful design and implementation of a switching regulator. This article…

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.

Improve your understanding of switch-mode voltage regulators by examining the electrical characteristics of a step-down…

Improve your understanding of switch-mode voltage regulators by examining the electrical characteristics of a step-down converter during the on and off portions of its switching cycle.