PPPL-1623 is available in <a href="PPPL-1623.pdf">pdf</a> format.
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<b>Phase Locked Tracking Filters for Interferometry</b>
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<b>Authors:</b> G. Cutsogeorge
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<b>Abstract:</b>
Three phase locked tracking filters that have been built for use with microwave and laser interferometers are described. Block diagrams, circuit diagrams and test data are presented.
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