Published:2009/7/23 21:43:00 Author:Jessie | From:SeekIC
Obtained by amplifying change in output from ratio detector as caused by local oscillator drift, and applying resulting error signal to voltage-tunable ferroelectric capacitor in local oscillator through d-c amplifier,-T. W. Butler, Jr., Ferroelectrics Tune Electronic Circuits, Electronics, 32:3, p 52-55.
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