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WIDE BAND ELECTRONICALLY TUNABLE FILTERS.
WATKINS-JOHNSON CO PALO ALTO CALIF
Methods of improving the passband distortion in X-band and Ku-band YIG filters are outlined. Tests at both X-band and Ku-band are described. A wedge loaded, coaxial line for use in nonreciprocal YIG filters at L-, S-, and C-band is discussed and results on directivity at S-band are given. Work on a band reject filter at X-band is presented along with plans for extension of the same technique to L-, S-, and C-band. Author
Technical note no. 2, 1 Oct 62-31 Jan 63,