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Home→Published 2016 1 2 3 >>

Yearly Archives: 2016

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Required Sensor Power – Part 3

Robust Circuit Design Posted on November 29, 2016 by adminNovember 30, 2016

In Parts 1 and 2 of this series on required sensor power we introduced you to the formulas needed to compute this power, and you got to see the formulas in action in Signal Chain Explorer. At the end of … Continue reading →

Posted in Short and Sweet, Signal Chain Explorer | Tagged ENOB, low-noise amplification, sensor power, SNR | Leave a reply

Required Sensor Power – Part 2

Robust Circuit Design Posted on November 26, 2016 by adminNovember 29, 2016

In Part 1 of this Short and Sweet article we introduced the concept of finding the minimum required power a sensor needs to deliver in order to achieve a desired signal quality for a given signal chain — that quality being … Continue reading →

Posted in Short and Sweet, Signal Chain Explorer | Tagged ENOB, sensor power, SNR | Leave a reply

Required Sensor Power – Part 1

Robust Circuit Design Posted on November 21, 2016 by adminNovember 29, 2016

New functionality was recently added to Signal Chain Explorer that computes the minimum sensor power required to achieve a desired SNR (or ENOB) for a particular signal chain. This feature was originally experimental, but it didn’t take us long to decide to include … Continue reading →

Posted in Short and Sweet, Signal Chain Explorer | Tagged ENOB, sensor power, SNR | Leave a reply

Understanding Effective Number of Bits

Robust Circuit Design Posted on November 18, 2016 by adminNovember 29, 2016

One of the main figures of merit computed by Signal Chain Explorer is the Effective Number of Bits (ENOB) of your signal chain. In this Short and Sweet article we’ll explain how that number is computed. The ENOB value relates the Signal … Continue reading →

Posted in Short and Sweet, Signal Chain Explorer | Tagged ADC, effective number of bits, ENOB, SINAD, SNR | Leave a reply

Understanding Input and Output Impedance

Robust Circuit Design Posted on November 3, 2016 by adminNovember 3, 2016

In the last Short and Sweet article we talked about the input and output impedances of inverting and non-inverting op-amp stages. We sort of jumped the gun a little, because we never mentioned exactly what is meant by input and output impedance. In particular, … Continue reading →

Posted in Short and Sweet, Signal Chain Explorer | Tagged input impedance, output impedance | Leave a reply

Visualizing Op Amp Impedances using SCE

Robust Circuit Design Posted on October 31, 2016 by adminOctober 31, 2016

One of the unique and powerful features of Signal Chain Explorer is the ability to quickly see the input and output impedances of a stage, both “locally” (stage by itself) and “globally” (backwards or forwards to the beginning or end of … Continue reading →

Posted in Short and Sweet, Signal Chain Explorer | Tagged inductive behavior, input impedance, output impedance, UA741 | 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

Upgrades to the Sensor Stages in Signal Chain Explorer

Robust Circuit Design Posted on October 24, 2016 by adminOctober 27, 2016

The most recent versions of Signal Chain Explorer (SCE) have seen upgrades to the sensor stage library. SCE now has three types of sensors, all general in nature, and all meant to allow you to model a variety of basic sensor configurations … Continue reading →

Posted in Signal Chain Explorer | Tagged acoustic pickup, charge based sensor, current based sensor, guitar pickup, MCP6021, Murata 7BB-35-3L0, percussion trigger, photo detector, Shure M97XE, Stratocaster, TLV2771, voltage based sensor | Leave a reply

New pre-release of Signal Chain Explorer V 0.968

Robust Circuit Design Posted on October 13, 2016 by adminOctober 13, 2016

This update adds the ability to specify other waveforms for HFI and EFI gargoyles (aka interferers) besides the default sine waves. You can now specify square waves, trapezoid waves, rectified sines, impulses, etc. This new specification is not fully implemented … Continue reading →

Posted in Signal Chain Explorer | Leave a reply

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