automatic frequency control

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automatic frequency control

n
(Electronics) a system in a radio or television receiver by which the tuning of an incoming signal is accurately maintained. Abbreviation: AFC
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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Besides, the automatic frequency control loop is able to tune the natural frequency towards the drive frequency when the gyroscope works with the Coriolis and quadrature force applied.
Frequency tuning of work modes in Z-axis dual-mass silicon microgyroscope
The device features variable-output amplitude control and automatic frequency control that adjusts and tunes the horn prior to welding.
High-Powered Welder Handles Larger Parts
On-chip automatic frequency control (AFC) circuitry allows the designer to reduce costs significantly by using a lower tolerance crystal.
A low cost pager receiver using AFC and on-chip filtering
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