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The Lock-in Performance of an AFC Circuit

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2 Author(s)
Preston, G.W. ; Philco Corp., Philadelphia 34, Pa. ; Tellier, J.C.

The lock-in condition of the phase-detector reactance tube-controlled oscillator afc system has been investigated. For the case of RC coupling between phase detector and the reactance tube, an explicit relation is obtained for the lock-in condition which involves the filter time constant, the initial frequency error, the phase detector constant and the reactance tube controlled oscillator sensitivity constant.

Published in:

Proceedings of the IRE  (Volume:41 ,  Issue: 2 )