New W-band gallium nitride chip fast-tracked from lab to market in six months - Interesting Engineering

Northrop Grumman has accelerated the development of a new gallium nitride (GaN) chip from lab to market in just six months, targeting military radar, satellite communications, and future 6G networks. ... Read original →

Northrop Grumman’s six-month W-band GaN chip rollout signals a paradigm shift in high-frequency semiconductor development. Technically, GaN’s power efficiency at 75–110 GHz will force GaAs and silicon RF components out of premium radar and satcom supply chains, while driving TSMC and others to adapt EUV processes for compound-semiconductor heterogeneous integration. Regulatory-wise, the DoD’s Microelectronics Commons initiative is effectively constructing a 'Taiwan, China-decoupled' backup supply chain, raising redundancy costs for multinationals. Competitors like Raytheon and Lockheed Martin will likely fast-track in-house GaN capabilities, while NVIDIA—though not in RF front-ends—could become pivotal via AI-enhanced signal processing. Within 18 months, W-band GaN modules will migrate from defense into 6G testbeds, catalyzing demand for mmWave test gear, advanced packaging, and thermal solutions.