I am looking on the HMC983(FRACTIONAL-N DIVIDER) datasheet. In its first page, it said the Largest spurious - 95 dBc. While in HMC984(DIGITAL PHASE-FREQUENCY DETECTOR) datasheet at page 5, it showed 60+ dBc Fractional Spurious for combine of HMC983 and HMC984. Does it mean that -95 dBc is the Integer spurious? or what something different?