High-Accuracy Electromagnetic Analysis Method for Differential Circuits with Discontinuities

High-Accuracy Electromagnetic Analysis Method for Differential Circuits with Discontinuities | Research Square window.SnipcartSettings = { analytics: { enabled: false } }; (function() { var accessVector = localStorage.getItem('access_vector') || ''; window.dataLayer = window.dataLayer || []; if (accessVector) { window.dataLayer.push({ user: { profile: { profileInfo: { snid: accessVector } } } }); } })(); (function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src='https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);})(window,document,'script','dataLayer','GTM-K279D39R'); Browse Preprints In Review Journals COVID-19 Preprints AJE Video Bytes Research Tools Research Promotion AJE Professional Editing AJE Rubriq About Preprint Platform In Review Editorial Policies Our Team Advisory Board Help Center Sign In Submit a Preprint Cite Share Download PDF Research Article High-Accuracy Electromagnetic Analysis Method for Differential Circuits with Discontinuities Koki Mochida, Satoshi Tanaka, Takeshi Yoshida, Shuhei Amakawa, and 1 more This is a preprint; it has not been peer reviewed by a journal. https://doi.org/ 10.21203/rs.3.rs-7823145/v1 This work is licensed under a CC BY 4.0 License Status: Under Revision Version 1 posted 5 You are reading this latest preprint version Abstract This paper presents a high-accuracy electromagnetic (EM) analysis method for differential circuits that accurately considers the effects of structural discontinuities. Discontinuities at interfaces between components—such as MOSFETs with ground planes and transformer-based matching circuits without ground planes—introduce boundary mismatches that degrade EM analysis accuracy in high-frequency designs. To address this problem, a divided EM analysis method incorporating a four-port de-embedding technique is developed to account for discontinuities in both even and odd modes. The validity of the proposed method is demonstrated through the design of a twos-tage differential amplifier, where the error in the odd-mode gain Soo21 is reduced from 0.20 dB to 0.01 dB at 106 GHz. The method enables computationally efficient and highly accurate EM analysis without requiring full-structure EM analysis. electromagnetic (EM) analysis discontinuities differential circuits four-port de-embedding D-band transformer matching circuits Full Text Cite Share Download PDF Status: Under Revision Version 1 posted Editorial decision: Major revision 27 Apr, 2026 Reviewers agreed at journal 19 Jan, 2026 Reviewers invited by journal 27 Oct, 2025 Editor assigned by journal 15 Oct, 2025 First submitted to journal 15 Oct, 2025 You are reading this latest preprint version Research Square lets you share your work early, gain feedback from the community, and start making changes to your manuscript prior to peer review in a journal. As a division of Research Square Company, we’re committed to making research communication faster, fairer, and more useful. We do this by developing innovative software and high quality services for the global research community. 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Also discoverable on Platform About Our Team In Review Editorial Policies Advisory Board Help Center Resources Author Services Accessibility API Access RSS feed Manage Cookie Preferences © Research Square 2026 | ISSN 2693-5015 (online) Privacy Policy Terms of Service Do Not Sell My Personal Information {"props":{"pageProps":{"initialData":{"identity":"rs-7823145","acceptedTermsAndConditions":true,"allowDirectSubmit":false,"archivedVersions":[],"articleType":"Research Article","associatedPublications":[],"authors":[{"id":535784794,"identity":"48be29a3-c90f-4480-8c34-bc1e4fc5b0bb","order_by":0,"name":"Koki 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