Revision as of 20:16, 12 March 2008 edit Arado (talk \| contribs) Extended confirmed users 43,304 edits mNo edit summary ← Previous edit		Revision as of 07:20, 25 April 2008 edit undo Cuddlyable3 (talk \| contribs) 6,977 edits Microwave Landing System Next edit →
Line 1: A '''passive electronically scanned array''', as opposed to [[AESA]], is a [[phased array]] which has a '''central''' [[radiofrequency\|RF]] source (such as a [[magnetron]], a [[klystron]] or a [[travelling wave tube]]), sending energy into (usually digitally-controlled) [[phase shift module]]s, which then send energy into the various emitting elements in the front of the [[antenna (radio)\|antenna]]. AESA devices, in contrast, have each of their elements contain its own RF source. A PESA radar is therefore simpler to construct than an AESA. Most phased array radars in the world are PESA. [[Microwave Landing System]] uses PESA transmit-only arrays. ==List of PESA radars==

Passive electronically scanned array: Difference between revisions