Effect of PLL frequency synthesizer in FSK frequency-hopped communications

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 1989Publisher:Institute of Electrical and Electronics Engineers (IEEE)Journal:IEEE Transactions on Communications, volume 37, pages 268-276 (issn: 0090-6778,

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Authors: John R. Alexovich; Robert M. Gagliardi;

doi: 10.1109/26.20101

Effect of PLL frequency synthesizer in FSK frequency-hopped communications

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Abstract

Synthesizer transient and spur effects in an frequency-shift-keying frequency-hopped system are investigated. Models for transient analysis are developed, and resulting degradations to performance are computed. Compensation methods, such as ping-ponging multiple synthesizers and gating symbol detectors, are considered. A spur analysis is presented, and the overall output effects on hopping spectrum and demodulation are shown. Methods to bound degradation in terms of number and strength of spur lines are presented. >

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