Active array antenna radar structure

Details Active array antenna radar structure Active array antenna radar structure

1994-03-22

1995-10-17

Hajec, Donald

Communications: radio wave antennas

Antennas

With radio cabinet

343772, 343777, 343786, 343853, 343872, 361699, 361733, 361788, 361803, H01Q 124

Patent

active

054594740

ABSTRACT:
An active array antenna, which may be used for radar, includes antenna elements (antelements) supported in a two-dimensional array. The fronts of the elements are protected by a cover. In order to allow easy repair, each column of antelements is associated with a slide-in carrier which simultaneously mates with all antelements of a column. Each carrier has a transmit-receive (TR) module for each antelement with which it mates, and a column beamformer. Each carrier also has logic modules and power supplies for the TR modules. The total width of each slide-in carrier with its TR modules, beamformer, logic and power supplies, is less than or equal to the column-to-column spacing. Each carrier can be slid out from the rear to expose all the active components for each column of antelements, so maintenance can be performed without environmental exposure.

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