Harmonic frequency synthesizer with adjustable frequency offset

作者: Warren E. Guthrie

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摘要: A frequency synthesizer (10) having a comb generator (12), line selection filter (16), and phase locked loop (20) for filtering out spurious signal components offsetting the output from of which is by filter. fine tuning source (38) connected to SSB mixer circuit (30) provides shift VCO (26) amount signal, that being less than spacing spectrum signals.

参考文章(20)
Steven N. Holdaway, Heterodyne phase lock system ,(1977)
Bich N. Nguyen, Stuart L. Carp, Howard L. Swain, Direct frequency synthesizer using powers of two synthesis techniques ,(1987)
Robert H. Hardin, Frequency synthesizer apparatus ,(1977)
Thomas L. Grisell, Fred H. Ives, Robert E. Burns, Reference frequency generation for split-comb frequency synthesizer ,(1984)
John A. Chiesa, Raymond C. Waterman, Zvi Galani, Plural feedback loop digital frequency synthesizer ,(1989)
Stephen D. Taylor, Paul I. Tanaka, Frequency agile microwave signal generator ,(1990)