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Arpit Kanodia Profile picture
Arpit Kanodia
@arpitkanodia30
Exploring the edge of Messier 87.
Jun 11 • 12 tweets • 6 min read
Let us conduct a comparative study between the Tejas Mk1A/Mk2 and the F-16 Block 70.

Databus:
The databus is a critical component in transitioning from 4th-generation to 5th-generation fighter aircraft, as it enables higher data fusion and greater bandwidth for advanced systems integration.
The F-16 Block 70/72 primarily uses the MIL-STD-1553 databus. However, to accommodate modern requirements such as high-resolution SAR imagery from the radar to the Center Pedestal Display, Lockheed Martin has incorporated Ethernet-based databus links for specific subsystems.Image In comparison, the Tejas Mk1A employs the 1553 databus across all systems. The upcoming Tejas Mk2, however, will feature an Ethernet-based databus for all major data transmissions, including radar, IRST, LDP, HMDS, and SDR-based datalinks—aligning it more closely with modern digital avionics architecture.

This advanced digital architecture will enable superior sensor fusion, enhanced situational awareness, and a significant reduction in pilot workload.Image