Latest Analog Technical Articles

This project brief describes how to assemble an isolated half-bridge IGBT gate driver module built around the…

This project brief describes how to assemble an isolated half-bridge IGBT gate driver module built around the NCD57085DR2G. It features onboard current sensing and overcurrent protection.

In this article, we analyze how bandpass filtering affects the power spectral density (PSD) of noise and explore how…

In this article, we analyze how bandpass filtering affects the power spectral density (PSD) of noise and explore how noise can be described by in-phase and quadrature components.

This project brief provides the instructions for building a weight-sensitive LED lamp with an Arduino Uno and a handful…

This project brief provides the instructions for building a weight-sensitive LED lamp with an Arduino Uno and a handful of commercially available parts.

In this article, we'll learn about several key applications of PLLs in communication systems, including tracking filters,…

In this article, we'll learn about several key applications of PLLs in communication systems, including tracking filters, frequency and phase modulation, and FM and AM demodulation.

In this article, we explore when to choose a Class AB or Class D output stage for your piezo amplifier design. We'll also…

In this article, we explore when to choose a Class AB or Class D output stage for your piezo amplifier design. We'll also examine the Class D stage's power supply requirements.

In this article, we explore the operation of a Class D stage with a capacitive load and how it can be used in piezo…

In this article, we explore the operation of a Class D stage with a capacitive load and how it can be used in piezo amplifier design.

We examine the basic requirements of piezoelectric amplifiers and how Class AB operation can meet them.

We examine the basic requirements of piezoelectric amplifiers and how Class AB operation can meet them.

Learn how using a phase/frequency detector (PFD) in place of a phase detector improves the acquisition range of a PLL.

Learn how using a phase/frequency detector (PFD) in place of a phase detector improves the acquisition range of a PLL.

Learn how to create a batteryless crawling robot using basic electronic components and a 3D-printed chassis.

Learn how to create a batteryless crawling robot using basic electronic components and a 3D-printed chassis.

To complete this project, we add backlight control and temperature-sensing functionality to the clock we built in the…

To complete this project, we add backlight control and temperature-sensing functionality to the clock we built in the previous installments.

We examine phase detectors that leverage either the nonlinear characteristics or switching capabilities of diodes to…

We examine phase detectors that leverage either the nonlinear characteristics or switching capabilities of diodes to perform multiplication.

We continue our design of a clock that uses analog ammeters to display time and temperature. In this installment, we…

We continue our design of a clock that uses analog ammeters to display time and temperature. In this installment, we examine the second of the two circuits that enable the timekeeping function.

This article explores the operation of the Gilbert-cell phase detector for both small and large signals.

This article explores the operation of the Gilbert-cell phase detector for both small and large signals.

This project turns old-school analog ammeters into a working clock that can also display the ambient temperature.

This project turns old-school analog ammeters into a working clock that can also display the ambient temperature.

This article explores the Gilbert cell, a widely used analog multiplier circuit.

This article explores the Gilbert cell, a widely used analog multiplier circuit.

Learn how to select the zero frequency, damping factor, and loop bandwidth for one of the most popular PLL configurations.

Learn how to select the zero frequency, damping factor, and loop bandwidth for one of the most popular PLL configurations.

This article explains how Type-2 PLLs with an integrator loop filter outperform Type-1 systems. To do so, we'll examine…

This article explains how Type-2 PLLs with an integrator loop filter outperform Type-1 systems. To do so, we'll examine the PLL behavior for frequency step and frequency ramp inputs.

In this article, we examine how adding a zero to the PLL loop filter affects the transient behavior and steady-state errors.

In this article, we examine how adding a zero to the PLL loop filter affects the transient behavior and steady-state errors.

In this article, we derive design equations for a second-order PLL with a lag-lead filter by examining its Bode plots.

In this article, we derive design equations for a second-order PLL with a lag-lead filter by examining its Bode plots.