Published:2009/7/20 23:41:00 Author:Jessie | From:SeekIC
Combines signals from loop and sense antennas of automatic direction finder, to give 130-cps output having correct phase for driving rotor of resolver to null position.-P. V.Sparks, Servo Filter and Gain Control lmprove Automatic Direction Finder, Electronics, 34:23, p 110-113.
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