New Reverberation Chamber at NTS Rockford Achieves Greater than DO-160 Category L Levels!

October 30, 2013

NTS buildingWe are pleased to announce our newly-added second reverberation chamber, coupled with state-of-the-art amplifiers, achieves greater than DO-160 Category L levels from 100 MHz to 18 GHz. Test frequencies as high as 40 GHz are now possible at NTS Rockford! This 12’ × 20’ × 10’ chamber has a test volume of over 438 cubic feet or 12.42 cubic meters and a 4’ × 7’ door.


The chamber and its adjacent 10’ × 10’ ground plane are configured for convenience and efficiency. Customer support equipment is staged on the ground plane, and the chamber’s computer-controlled horizontal stir assembly is mounted unobtrusively high on the rear wall. Both the chamber and ground plane are equipped with filtered AC and DC power: 28 VDC, 480 VAC and 120/208 VAC at 60 Hz, and 115 VAC at 400 Hz. Nonstandard power is also
available upon request.

new reverberation chamberThis chamber’s extremely large usable test volume (over 438 cubic feet) allows for testing multiple-LRU systems. It has field densities capable of achieving peak fields up to 15,000 V/m. Like other NTS Rockford EMI chambers, this reverberation chamber is drive stand-adaptable and can be mated to a motor drive for rotating equipment. An efficient chamber layout coupled with test methodology ensures lean test execution.

If you are interested in learning more please contact our EMC Engineer Scott Carlson directly at or call (815) 315-9250, ext. 179. We look forward to sharing this great new offering with you!

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