GONIOMETER_MOTOR_AMPUFIER

Published:2009/7/22 1:24:00 Author:Jessie | From:SeekIC

Portion of adf receiver output is separately rectified and applied to selective amplifier V1.V2-V3.C1, C2, and C3 develop 90° phase shift re quired between two coils of goniometer drive motor and serve also as low-pass fiber with sharp cutoff above 150 cps. Overall gain is high enough so motor will exert full torque when goniometer is only 3° off true null.-J. r. Hatch and D. W. G. Byatt, Direction Finder with Automatic Readout Electronics, 32:16, p 62-64.



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