Differential chopping controller with high-resolution and accuracy using digital signal processor

Eli Flaxer, Sharly Fleischer

Research output: Contribution to journalArticlepeer-review

Abstract

This work presents a digital mixer that receives two signals at different frequencies and produces their difference or their sum. Unlike analog circuits that are limited in their ability to separate between close frequencies and require an additional filtering step, we present a digital signal processor-based circuit with excellent frequency separation capabilities. Since software is used to calculate the output function, the obtained output signal is practically unlimited.

Original languageEnglish
Article number076106
JournalReview of Scientific Instruments
Volume90
Issue number7
DOIs
StatePublished - 1 Jul 2019

Funding

FundersFunder number
Wolfson Foundation
Israel Science Foundation2797/11, 926/18, 1065/14
Israel National Research Center for Electrochemical Propulsion

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