ADF4151 Datasheet, PDF (10/28 Pages) Analog Devices – Fractional-N/Integer-N PLL Synthesizer

ADF4151
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Figure 8. Integer-N Phase Noise and Spur Performance;
Low Noise Mode; VCOOUT = 1750 MHz, REFIN = 100 MHz,
PFD = 25 MHz, Loop Filter Bandwidth = 50 kHz
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Figure 9. Fractional-N Phase Noise and Spur Performance; Low Noise Mode;
VCOOUT = 1755.2 MHz, REFIN = 100 MHz, PFD = 25 MHz, Loop Filter
Bandwidth = 50 kHz, Channel Spacing = 200 kHz, FRAC = 26, MOD = 125
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Figure 10. Fractional-N Phase Noise and Spur Performance; Low Spur Mode;
VCOOUT = 1755.2 MHz, REFIN = 100 MHz, PFD = 25 MHz, Loop Filter
Bandwidth = 50 kHz, Channel Spacing = 200 kHz, FRAC = 26, MOD = 125
Data Sheet
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Figure 11. Integer-N Phase Noise and Spur Performance;
Low Noise Mode; VCOOUT = 900 MHz, REFIN = 100 MHz,
PFD = 25 MHz, Loop Filter Bandwidth = 20 kHz
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Figure 12. Fractional-N Phase Noise and Spur Performance; Low Noise Mode;
VCOOUT = 905.2 MHz, REFIN = 100 MHz, PFD = 25 MHz, Loop Filter
Bandwidth= 20 kHz, Channel Spacing = 200 kHz, FRAC = 26, MOD = 125
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FREQUENCY OFFSET (Hz)
Figure 13. Fractional-N Phase Noise and Spur Performance; Low Spur Mode;
VCOOUT = 905.2 MHz, REFIN = 100 MHz, PFD = 25 MHz, Loop Filter Bandwidth
= 20 kHz, Channel Spacing = 200 kHz, FRAC = 26, MOD = 125
Rev. B | Page 10 of 28