Tower Semiconductor and Axiro Semiconductor Deliver High-Power, High-Efficiency SiGe ICs for Secure U.S. Defense Applications
Rhea-AI Summary
Tower Semiconductor (NASDAQ: TSEM) and Axiro Semiconductor announced availability of U.S.-fabricated Ku- and X-band radar beamforming ICs (BFICs) built on Tower's SiGe technology on April 27, 2026.
The BFICs are ramping to volume production, designed for defense radar and satcom, and positioned to reinforce secure U.S. supply chains for mission-critical radar applications.
AI-generated analysis. Not financial advice.
Positive
- Availability of U.S.-fabricated Ku and X-band BFICs
- Devices built on Tower's market-leading SiGe technology
- Ramping to volume production and ready for deployment
- Targeting U.S. defense primes and radar manufacturers
- Claims of improved gain, linearity, output power, efficiency
Negative
- None.
News Market Reaction – TSEM
On the day this news was published, TSEM gained 1.39%, reflecting a mild positive market reaction. Argus tracked a trough of -11.8% from its starting point during tracking. Our momentum scanner triggered 52 alerts that day, indicating high trading interest and price volatility. This price movement added approximately $314M to the company's valuation, bringing the market cap to $22.88B at that time.
Data tracked by StockTitan Argus on the day of publication.
Key Figures
Market Reality Check
Peers on Argus
TSEM slipped -0.36% while peers were mixed: QRVO +2.27%, SITM +0.05%, SMTC +
Historical Context
| Date | Event | Sentiment | Move | Catalyst |
|---|---|---|---|---|
| Apr 20 | Earnings call timing | Neutral | -0.9% | Announcement of Q1 2026 earnings release date and related conference call logistics. |
| Mar 25 | Capacity expansion | Positive | +4.4% | Plan to expand 300mm Fab 7 capacity in Japan via TPSCo restructuring. |
| Mar 25 | JV restructuring | Positive | +4.4% | Strategic TPSCo restructuring with Nuvoton and $25 million payment at closing. |
| Mar 23 | SiPho data demo | Positive | +5.2% | 400 Gbps per lane silicon photonics modulator demo for 3.2T transceivers. |
| Mar 17 | AI power platform | Positive | -0.4% | Launch of Gen3 BCD LDMOS platform targeting AI data center power demands. |
Positive technology and capacity announcements have often coincided with upside moves, while some innovation news drew muted or slightly negative reactions.
Over recent months, Tower Semiconductor has highlighted multiple technology and capacity milestones, including TPSCo restructuring to gain full 12‑inch fab control and expand 300mm output by up to 4x, as well as photonics and AI‑oriented power platforms. Several of these updates (e.g., Coherent SiPho demo on Mar 23, TPSCo announcements on Mar 25) coincided with price gains. Today’s defense‑focused SiGe collaboration extends that pattern of application‑specific technology positioning.
Market Pulse Summary
This announcement highlights a U.S.-fabricated SiGe beamforming IC collaboration for radar and satcom, reinforcing Tower’s positioning in secure aerospace and defense supply chains. It complements earlier advances in silicon photonics, AI data-center power platforms, and TPSCo capacity expansion. Investors may watch for evidence of volume production ramps, design-win momentum with U.S. defense primes, and how these specialty platforms contribute to Tower’s broader revenue mix over time.
Key Terms
beamforming ics technical
ku band technical
x-band technical
satcom technical
AI-generated analysis. Not financial advice.
Leveraging Tower's advanced SiGe technology, these U.S.-fabricated Beamforming ICs achieve superior performance, and strengthen secure domestic supply chains for critical next-generation radar and satcom applications
MIGDAL HAEMEK, Israel, and SAN DIEGO, CA. April 27, 2026 - Tower Semiconductor (NASDAQ/TASE: TSEM), the leading foundry for high-value analog semiconductor solutions, and Axiro Semiconductor Inc., a U.S.-based company specializing in advanced radar, satcom, and high-speed communications solutions, today announced availability of Axiro’s high-performance radar beamforming integrated circuits (BFICs), built on Tower’s market-leading Silicon Germanium (SiGe) technology. The devices are fabricated by Tower Semiconductor in its US facilities, and designed and sold by Axiro, strengthening the resilience of U.S. domestic defense supply chains. Currently ramping to volume production, Axiro’s BFICs are ready for deployment in critical defense systems and set a new performance benchmark over existing market alternatives, driving increased design wins and positioning both Tower and Axiro as key players in delivering secure foundry services for next-generation defense applications.
Axiro’s new Ku and X-band BFICs deliver differentiated advantages across key performance metrics including gain, linearity, output power, high-efficiency, and fast-switching capabilities, which are critical for modern defense radar applications. These devices are designed to meet the stringent requirements of advanced radar systems while addressing growing demand from U.S. defense primes and radar manufacturers for domestically sourced solutions.
“Tower has an established presence as a leading vendor to the U.S. aerospace and defense industry,” said Mike Scott, Vice President and General Manager of the Aerospace & Defense Business Unit at Tower Semiconductor. “This A&D experience, along with our market-leading SiGe technology capabilities, sets the foundational performance and scalability essential for modern defense systems, empowering partners, like Axiro, to deliver innovative, high-performance solutions to meet the sector’s rising demands.”
“We selected Tower Semiconductor for their unparalleled SiGe technology expertise, which is fundamental to achieving the superior performance of our radar BFICs,” said Naveen Yanduru, CEO of Axiro Semiconductor. “As a U.S.-based company, we design and deliver our domestically engineered solutions directly to American defense prime contractors. Working with Tower’s US facility enables us to reinforce our commitment to secure, mission-critical technology within the U.S. defense supply chain.”
Tower Semiconductor will be participating in upcoming SPIE Defense and Security 2026, taking place April 28 - 30, 2026 in National Harbor, MD, booth #739.
For additional information about Tower Semiconductor’s SiGe technology platform, visit here.
For additional information about Tower Semiconductor’s Aerospace and Defense comprehensive technology solutions, visit here.
About Tower Semiconductor
Tower Semiconductor Ltd. (NASDAQ/TASE: TSEM), the leading foundry of high-value analog semiconductor solutions, provides technology, development, and process platforms for its customers in growing markets such as consumer, industrial, automotive, mobile, infrastructure, medical and aerospace and defense. Tower Semiconductor focuses on creating a positive and sustainable impact on the world through long-term partnerships and its advanced and innovative analog technology offering, comprised of a broad range of customizable process platforms such as SiPho, SiGe, BiCMOS, mixed-signal/CMOS, RF CMOS, CMOS image sensor, non-imaging sensors, displays, integrated power management (BCD and 700V), and MEMS. Tower Semiconductor also provides world-class design enablement for a quick and accurate design cycle as well as process transfer services including development, transfer, and optimization, to IDMs and fabless companies. To provide multi-fab sourcing and extended capacity for its customers, Tower Semiconductor currently owns one operating facility in Israel (200mm), two in the U.S. (200mm), and two in Japan (200mm and 300mm) which it owns through its
Safe Harbor Regarding Forward-Looking Statements
This press release includes forward-looking statements, which are subject to risks and uncertainties. Actual results may vary from those projected or implied by such forward-looking statements. A complete discussion of risks and uncertainties that may affect the accuracy of forward-looking statements included in this press release or which may otherwise affect Tower’s business is included under the heading “Risk Factors” in Tower’s most recent filings on Forms 20-F, F-3, F-4 and 6-K, as were filed with the Securities and Exchange Commission (the “SEC”) and the Israel Securities Authority. Tower does not intend to update, and expressly disclaim any obligation to update, the information contained in this release.
About Axiro
Axiro Semiconductor Inc. is a U.S.-based semiconductor design company specializing in advanced RF, radar, satcom, and high-speed communication solutions. The company develops high-performance integrated circuits and front-end solutions for mission-critical applications across aerospace, defense, and next-generation connectivity systems. Axiro leverages a multi-technology design approach spanning SiGe, RF CMOS, GaAs, and GaN to deliver optimized performance, efficiency, and integration for demanding system requirements.
For More information, please visit: www.axiro.com
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Tower Semiconductor Company Contact: Orit Shahar | +972-74-7377440 | oritsha@towersemi.com
Tower Semiconductor Investor Relations Contact: Liat Avraham | +972-4-6506154 | liatavra@towersemi.com
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