Latest Analog Technical Articles

This article presents the design of an unweighted (Z-weighted) audio filter with a flat frequency response from 20 Hz to…

This article presents the design of an unweighted (Z-weighted) audio filter with a flat frequency response from 20 Hz to 20 kHz for the measurement of audio noise.

Switching regulators are an essential circuit for efficiently generating stable supply voltages and for translating…

Switching regulators are an essential circuit for efficiently generating stable supply voltages and for translating voltages up or down.

The Y-factor method is a widely used technique for measuring the gain and noise figure (NF) of RF components. This…

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.

This project demonstrates the design and operation of a root-mean-squared (RMS) detector for inclusion in a wideband…

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.

In this article, we’ll use LTspice simulations to more thoroughly understand output-voltage ripple and consider…

In this article, we’ll use LTspice simulations to more thoroughly understand output-voltage ripple and consider techniques for mitigating it within a charge pump circuit.

Continuing our in-depth look at a simple SPICE circuit that can generate a negative supply voltage, we’ll consider the…

Continuing our in-depth look at a simple SPICE circuit that can generate a negative supply voltage, we’ll consider the effect of oscillator frequency on the system’s performance parameters.

Learn more about dithering, namely improving the spurious-free dynamic range (SFDR) of an analog-to-digital converter…

Learn more about dithering, namely improving the spurious-free dynamic range (SFDR) of an analog-to-digital converter (ADC) that exhibits differential nonlinearity (DNL) errors.

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

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

Learn about using LTspice simulations to provide important insight into the performance of a switched-capacitor…

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

Take a closer look at the definition of the RF noise figure and discuss some subtleties to help avoid erroneous…

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

Design a wideband analog multimeter to measure AC voltages and currents from 20 Hz to 1 MHz with a selectable sensitivity…

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.

Learn about two nonlinearity sources, spurious-free dynamic range (SFDR), and SNR (signal-to-noise ratio) in…

Learn about two nonlinearity sources, spurious-free dynamic range (SFDR), and SNR (signal-to-noise ratio) in analog-to-digital converters (ADCs).

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

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

In addition to explaining the nature of a negative voltage, this article briefly discusses how negative voltages are…

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.

Learn how dithering can suppress both harmonic and non-harmonic spurs and two different types of dithering systems:…

Learn how dithering can suppress both harmonic and non-harmonic spurs and two different types of dithering systems: subtractive and non-subtractive topologies.

This article explores step-down switching power supplies that divide output current among multiple regulation subcircuits…

This article explores step-down switching power supplies that divide output current among multiple regulation subcircuits operating in parallel.

Through four different examples, learn about analog-to-digital converter (ADC) system error analysis.

Through four different examples, learn about analog-to-digital converter (ADC) system error analysis.

Learn about characterizing different analog-to-digital converter (ADC) error sources such as resolution and accuracy.

Learn about characterizing different analog-to-digital converter (ADC) error sources such as resolution and accuracy.

Current sources are less familiar than voltage sources like batteries and AC wall power. Current sources usually are…

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.