Datasheet

LMX2531LQ1226E 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.
9