SOURCE: IDRW.ORG
At Aero India 2025, the Defence Research and Development Organisation (DRDO) unveiled a scaled model of the Active Electronically Scanned Array (AESA) radar under development for the Advanced Medium Combat Aircraft (AMCA), India’s ambitious 5th-generation fighter jet program. This marks an important milestone for the AMCA program, highlighting the significant advancements in India’s radar and avionics technology, as it moves closer to developing its next-generation stealth fighter.
The AMCA’s AESA radar, a critical component for modern combat aircraft, features Gallium Nitride (GaN)-based Transmit/Receive Modules (TRMs). These modules are noted for being smaller than those in the Virupaksha AESA radar, which equips the Su-30MKI fighter jets with approximately 2,400 TRMs. However, the AMCA radar’s TRM count exceeds that anticipated for both the Tejas Mk1A and the forthcoming MkII, indicating a significant upgrade in radar technology.
With GaN technology being a game-changer in radar design, the AMCA AESA radar will ensure the aircraft is equipped with advanced targeting, tracking, and surveillance capabilities, essential for operating in modern, high-intensity warfare environments.
As the AMCA program progresses, the radar’s full-scale development, testing, and eventual integration will be pivotal. The radar’s capabilities will determine much of the AMCA’s effectiveness in combat scenarios, from air dominance to deep strike missions. With the Indian Air Force aiming for a fleet of advanced fighters, this radar technology could well set a new benchmark for India’s military aviation.
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