Datasheet

LMX2531LQ1312E EVALUATION BOARD OPERATING INSTRUCTIONS
Fractional Spurs (Internal Divide by 2 Enabled)
Spur at 250 kHz offset at a frequency of 595.125
MHz is –80.4 dBc. Since this mode uses the
divide by 2 mode, the channel spacing here is
actually 125 kHz. The spur at 125 kHz could be
eliminated by doubling the channel spacing
before the divider.
Spur at 250 kHz offset for a frequency of 615.125
MHz is -85.7 dBc.
Spur at 250 kHz offset for a frequency of 630.125
MHz is –84.5 dBc. The sub-fractional spur at
125 kHz offset of -79 dBc is also visible.
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