India's homegrown AESA radar programme appears to be gathering pace. The Bangalore-based Electronics & Radar Development Establishment (LRDE)
, a laboratory under the DRDO, has invited bids from global radar houses to be the development partner (DP) for India's in-house active electronically scanned array (AESA)
radar for the LCA Tejas programme. In a tender issued on December 4 last year, LRDE wants the partnership to be initiated with the supply of an Active Array Antenna Unit (AAAU) supplied by the development partner chosen.
According to the bid invitation, India wants the development partner to be responsible for "detaile
d design, development and realisation" of (a) antenna panel constisting of main antenna, guard antenna and sidelobe cancellation antenna, (b) transmit/receive modules/groups, (c) RF distribution network consisting of RF manifold/combiners, RF interface, (d) antenna/beam control chain consisting of T/R control and T/R group control, and (e) array calibration/BITE among other areas. The final requirement in the comprehensive list of ten requirements from the development partner is listed as "AAAU Integration on Tejas A/c", confirming that the radar is indeed for a future tranche of the Tejas, or possibly, the Advanced Medium Combat Aircraft (AMCA).
"DP (development partner) must have experience in design, development, integration, testing and flightevaluation of AESA Radar systems for fighter class of aircraft. DP must ensure that the items/components used for the development of AAAU are not protected by International Traffic in Arms Regulation (ITAR). DP must have delivered AESA class of operational systems for fighter class of aircraft meeting delivery schedules of the international customers," the bid invitation states.Photos by Shiv Aroor / 1. Raytheon APG-79 AESA antenna modules, Naval Air Station Lemoore, USA & 2. LCA Tejas at Aero India 2009
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