Wideband frequency modulation of frequency synthesisers |
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Authors: | Underhill MJ Scott RIH |
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Affiliation: | Philips Research Laboratories, Redhill, UK; |
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Abstract: | Two-point frequency modulation gives a flat frequency response irrespective of the loop cutoff frequency of a p.l.l. digital frequency synthesiser. The spurious modulation components otherwise generated are also then suppressed. The modulation index is typically limited to N? where N is the divider ratio. |
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