Latest Audio Technical Articles

Learn about eliminating missing codes through averaging, analog-to-digital converter (ADC) monotonicity, and the effect…

Learn about eliminating missing codes through averaging, analog-to-digital converter (ADC) monotonicity, and the effect of ADC nonlinearity on the system's signal-to-noise ratio (SNR).

Concerning noise analysis in RF analog design, learn about the noise figure metric, including key aspects of this…

Concerning noise analysis in RF analog design, learn about the noise figure metric, including key aspects of this specification through examples.

Learn about digital square wave generators using a ring oscillator, a 555 timer-based oscillator, and an…

Learn about digital square wave generators using a ring oscillator, a 555 timer-based oscillator, and an Arduino-generated square wave oscillator.

Learn how dithering can be added to a signal to improve the performance of an analog-to-digital conversion system by…

Learn how dithering can be added to a signal to improve the performance of an analog-to-digital conversion system by eliminating quantization error and distortion.

MEMS silicon microphones are in everything from cellphones, hearing aids, smart speakers, computers, and vehicles. Learn…

MEMS silicon microphones are in everything from cellphones, hearing aids, smart speakers, computers, and vehicles. Learn the basics of how they work, their use, and what’s available.

Analog oscillator circuits are commonly used to create square wave clock signals for the timing of synchronous circuits.…

Analog oscillator circuits are commonly used to create square wave clock signals for the timing of synchronous circuits. This article covers the theory, design, and key features of analog square wave generators.

Learn about the importance of the Fourier series in circuit analysis and the Fourier series equations, while gaining…

Learn about the importance of the Fourier series in circuit analysis and the Fourier series equations, while gaining insight into how this analysis tool works.

Learn about the aging behavior of resistors and amplifiers using temperature calculations and the Arrhenius equation to…

Learn about the aging behavior of resistors and amplifiers using temperature calculations and the Arrhenius equation to understand resistor drift, resistor stability, and op-amp drift.

Learn about charge amplifier limitations at low frequencies, the effects of time constants, and how the drift phenomenon…

Learn about charge amplifier limitations at low frequencies, the effects of time constants, and how the drift phenomenon can also introduce errors in low-frequency measurements.

Learn about charge amplifiers which are used for charge output conversion of a piezoelectric sensor into a usable voltage signal.

Learn about charge amplifiers which are used for charge output conversion of a piezoelectric sensor into a usable voltage signal.

Learn about how system nonlinearity creates distortion in audio signals that impacts the sounds we hear. We will examine…

Learn about how system nonlinearity creates distortion in audio signals that impacts the sounds we hear. We will examine sine waves, harmonics, and intermodulation distortion.

Learn about frequency response and bandwidth specification of MEMS accelerometers.

Learn about frequency response and bandwidth specification of MEMS accelerometers.

This article provides a general understanding of what DSP is, how it works, and what advantages it can offer. To…

This article provides a general understanding of what DSP is, how it works, and what advantages it can offer. To appreciate the advantages of DSP, let’s first have a look at the conventional method of signal processing, i.e., analog signal processing.

This article launches a series exploring the question of how to model data converters for system simulations.

This article launches a series exploring the question of how to model data converters for system simulations.

Summary

Summary

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

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

Summary

Summary

Modeling hysteresis in SPICE can be difficult when you're dealing with a multivalued transfer function. In this article,…

Modeling hysteresis in SPICE can be difficult when you're dealing with a multivalued transfer function. In this article, we'll teach you a way to "cheat" to get around this issue.

Need a low-distortion ADC interface? In this article, we'll discuss how to reduce 2nd harmonic distortion by using…

Need a low-distortion ADC interface? In this article, we'll discuss how to reduce 2nd harmonic distortion by using symmetric PCB layout.