--- title: Spectrum Control Blog | EMI description: EMI | Spectrum Control combines engineering expertise, innovation and manufacturing excellence to enable mission-critical solutions. Designed to solve complex problems in signal modulation and transmission, we enable high quality product performance in the military and government, space, commercial, aerospace, security, medical, industrial and communications industries. --- [![Spectrum-Control-Logo-Horizontal-Full-Color-RGB-header (002)](https://blog.spectrumcontrol.com/hubfs/Spectrum-Control-Logo-Horizontal-Full-Color-RGB-header%20(002).jpg)](https://www.spectrumcontrol.com/) ![plain banner](https://blog.spectrumcontrol.com/hubfs/plain%20banner.png "plain banner") # ![Spectrum Control horizontal inverse logo with orange transparent](https://blog.spectrumcontrol.com/hs-fs/hubfs/Spectrum%20Control%20horizontal%20inverse%20logo%20with%20orange%20transparent.png?width=287&height=115&name=Spectrum%20Control%20horizontal%20inverse%20logo%20with%20orange%20transparent.png) News Blog #### [EMI](https://blog.spectrumcontrol.com/blog/topic/emi) [EIS](https://blog.spectrumcontrol.com/blog/topic/eis) # [What is Electromagnetic Interference (EMI)?](https://blog.spectrumcontrol.com/blog/emi) ![close](https://cdn2.hubspot.net/hubfs/2432204/AK-UI%20Builder/close-button.svg) ### Categories - [news (40)](https://blog.spectrumcontrol.com/blog/tag/news) - [5G (11)](https://blog.spectrumcontrol.com/blog/tag/5g) - [RF (11)](https://blog.spectrumcontrol.com/blog/tag/rf) - [Space (10)](https://blog.spectrumcontrol.com/blog/tag/space) - [EIS (8)](https://blog.spectrumcontrol.com/blog/tag/eis) - [wireless (7)](https://blog.spectrumcontrol.com/blog/tag/wireless) - [EMI (6)](https://blog.spectrumcontrol.com/blog/tag/emi) - [Testing (6)](https://blog.spectrumcontrol.com/blog/tag/testing) - [Class H&K (5)](https://blog.spectrumcontrol.com/blog/tag/class-hk) - [RADAR (4)](https://blog.spectrumcontrol.com/blog/tag/radar) - [attenuator (4)](https://blog.spectrumcontrol.com/blog/tag/attenuator) - [trade shows (4)](https://blog.spectrumcontrol.com/blog/tag/trade-shows) - [Wi-Fi (3)](https://blog.spectrumcontrol.com/blog/tag/wi-fi) - [avionics (3)](https://blog.spectrumcontrol.com/blog/tag/avionics) - [electronic warfare (3)](https://blog.spectrumcontrol.com/blog/tag/electronic-warfare) - [milcom (3)](https://blog.spectrumcontrol.com/blog/tag/milcom) - 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[smart meter (1)](https://blog.spectrumcontrol.com/blog/tag/smart-meter) - [surface mount technology (1)](https://blog.spectrumcontrol.com/blog/tag/surface-mount-technology) - [transformers (1)](https://blog.spectrumcontrol.com/blog/tag/transformers) ### Subscribe to Email Updates ### Popular Stories [Advantages/Disadvantages of Digital Beamforming in Satellite Applications](https://blog.spectrumcontrol.com/blog/pros-cons-digital-beamforming-satellite-applications) Oct 22, 2021 [The Digitization of Satellite RF Systems](https://blog.spectrumcontrol.com/blog/digitization-satellite-rf-systems) Sep 17, 2021 [Space Qualification Standards](https://blog.spectrumcontrol.com/blog/space-qualification-standards) Feb 04, 2020 [APITech Announces CEO Transition - Rich Sorelle Joins APITech as CEO](https://blog.spectrumcontrol.com/blog/apitech-announces-ceo-transition) Nov 30, 2021 [Five things you need to know about 5G filters](https://blog.spectrumcontrol.com/blog/five-things-5g-filters) Oct 28, 2022 Categories | Subscribe | Populars 31 Mar 2022 [EMI](https://blog.spectrumcontrol.com/blog/topic/emi) [EIS](https://blog.spectrumcontrol.com/blog/topic/eis) | 5 min read ## [What is Electromagnetic Interference (EMI)?](https://blog.spectrumcontrol.com/blog/emi) Electromagnetic Interference (EMI) is an electromagnetic emission that... By [Amy Brown](https://blog.spectrumcontrol.com/blog/author/amy-brown) 05 Oct 2021 [EMI](https://blog.spectrumcontrol.com/blog/topic/emi) [EIS](https://blog.spectrumcontrol.com/blog/topic/eis) | 3 min read ## [Electromagnetic Interference in Slip Ring Assemblies](https://blog.spectrumcontrol.com/blog/emi-slip-ring-assemblies) Slip rings are an essential electrical component found in military, in... By [Amy Brown](https://blog.spectrumcontrol.com/blog/author/amy-brown) 25 May 2021 [RF](https://blog.spectrumcontrol.com/blog/topic/rf) [EMI](https://blog.spectrumcontrol.com/blog/topic/emi) [5G](https://blog.spectrumcontrol.com/blog/topic/5g) | 4 min read ## [New Product Innovation at IMS 2021](https://blog.spectrumcontrol.com/blog/ims-2021) IMS and Microwave Week (IMS 2021) is the first major in-person gatheri... By [Brian Hall](https://blog.spectrumcontrol.com/blog/author/brian-hall) 13 Apr 2021 [EMI](https://blog.spectrumcontrol.com/blog/topic/emi) [EIS](https://blog.spectrumcontrol.com/blog/topic/eis) [Testing](https://blog.spectrumcontrol.com/blog/topic/testing) | 3 min read ## [EMC Live Testing](https://blog.spectrumcontrol.com/blog/emc-testing) APITech’s EMC Technologist, Ed Sveda, joined a panel of EMC thought le... By [Amy Brown](https://blog.spectrumcontrol.com/blog/author/amy-brown) 17 Jun 2020 [EMI](https://blog.spectrumcontrol.com/blog/topic/emi) [EIS](https://blog.spectrumcontrol.com/blog/topic/eis) [medical](https://blog.spectrumcontrol.com/blog/topic/medical) | 2 min read ## [EMI Filter Assemblies for Implantable Defibrillators](https://blog.spectrumcontrol.com/blog/emi-filter-assemblies-defibrillators) Since their inception, defibrillators have been instrumental in curbin... By [Amy Brown](https://blog.spectrumcontrol.com/blog/author/amy-brown) 12 Mar 2020 [EMI](https://blog.spectrumcontrol.com/blog/topic/emi) [EIS](https://blog.spectrumcontrol.com/blog/topic/eis) [aerospace](https://blog.spectrumcontrol.com/blog/topic/aerospace) | 2 min read ## [Aircraft Lightning Protection](https://blog.spectrumcontrol.com/blog/aircraft-lightning-protection) Did you know that military and commercial aircraft are likely to be st... By [Amy Brown](https://blog.spectrumcontrol.com/blog/author/amy-brown) ![Subscribe](https://cdn2.hubspot.net/hubfs/2432204/99%20Template%20Pack/Background%20Images/message.svg "Subscribe") ### Subscribe to Email Updates ### Let Us Know What You Thought about this Post. Put your Comment Below. ![AllProducts](https://blog.spectrumcontrol.com/hs-fs/hubfs/AllProducts.png?width=1885&name=AllProducts.png "AllProducts") ## Get all News Updates to your inbox. 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