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Home→Tags thermal noise

Tag Archives: thermal noise

Noise distribution considerations for a multi-stage audio amplifier

Robust Circuit Design Posted on February 27, 2017 by adminNovember 13, 2017

In this article we investigate how thermal noise and thermal distortion play a part in the design of a phono audio signal chain. For our example, we’ll use a Shure M97XE cartridge, a 47K/200pF termination shunt, three gain stages of 10X … Continue reading →

Posted in Short and Sweet, Signal Chain Explorer | Tagged Johnson noise, thermal distortion, thermal noise | Leave a reply

My KT lies over the C (Part 2)

Robust Circuit Design Posted on October 28, 2016 by adminNovember 4, 2016

In Part 1 of this Short and Sweet article we derived the formula for thermal noise as it applies to RC filter circuits: \(\displaystyle {{\eta }_{v}}^{2}={{KT}}/{C}\;\) In this blog post, we’ll try out various RC filters using Signal Chain Explorer and … Continue reading →

Posted in Short and Sweet, Signal Chain Explorer | Tagged capacitor noise, KT/C, thermal noise, thermal noise plots | Leave a reply

My KT lies over the C (Part 1)

Robust Circuit Design Posted on October 28, 2016 by adminNovember 4, 2016

My Bonnie lies over the ocean. My KT lies over the C … Okay, with that lame joke out of the way, in Part1 of this (perhaps not so) Short and Sweet two-part article, we’ll derive the well-known  \(\displaystyle {{\eta }_{v}}^{2}={{KT}}/{C}\;\) equation, … Continue reading →

Posted in Short and Sweet, Signal Chain Explorer | Tagged capacitor noise, KT/C, thermal noise | Leave a reply

Understanding SCE Thermal Noise Charts

Robust Circuit Design Posted on August 25, 2016 by adminAugust 25, 2016

A key feature of Signal Chain Explorer (SCE) is its built-in ability to calculate and display the thermal noise in your signal chain. In this article, we take a look at thermal noise and how it is modeled and displayed … Continue reading →

Posted in SCE Manual, Signal Chain Explorer | Tagged Johnson-Nyquist noise, thermal noise, thermal noise charts | Leave a reply

Simple Digitized Audio Example

Robust Circuit Design Posted on August 19, 2016 by adminOctober 28, 2016

In this Short and Sweet blog post we’ll take a quick look at using Signal Chain Explorer to analyze a simple vinyl-to-digital audio signal chain, consisting of a Shure M97XE vinyl cartridge pickup, a twisted pair connection to a parallel RC … Continue reading →

Posted in Short and Sweet, Signal Chain Explorer | Tagged Bode plots, EFI, GPI, HFI, NE5532, PSI, Shure M97XE, thermal distortion, thermal noise | Leave a reply

Visualizing Noise in Signal Wave Explorer

Robust Circuit Design Posted on December 3, 2015 by adminDecember 3, 2015

Our new product Signal Wave Explorer will soon be ready for sale. It was a long and unexpected journey developing this product — unexpected because we weren’t quite sure when we started what the program would be capable of, and we … Continue reading →

Posted in Signal Wave Explorer | Tagged gaussian noise, sampled simulation, signal to noise ratio, SNR, thermal noise, transient response | Leave a reply

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