Datasheet

ADF4351 Data Sheet
Rev. 0 | Page 10 of 28
–160
–150
–60
–70
–80
–90
–100
–110
–120
–130
–140
1k 10k 100k 1M 10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09800-110
Figure 10. Fractional-N Spur Performance, Low Noise Mode, W-CDMA Band;
RF
OUT
= 2111.28 MHz, REF
IN
= 122.88 MHz, PFD = 30.72 MHz, Output Divide-by-2
Selected; Loop Filter Bandwidth = 60 kHz, Channel Spacing = 240 kHz;
RMS Phase Error = 0.21°, RMS Jitter = 0.27 ps, EVM = 0.37%
–160
–150
–60
–70
–80
–90
–100
–110
–120
–130
–140
1k 10k 100k 1M 10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09800-111
Figure 11. Fractional-N Spur Performance, Low Spur Mode, W-CDMA Band;
RF
OUT
= 2111.28 MHz, REF
IN
= 122.88 MHz, PFD = 30.72 MHz, Output Divide-by-2
Selected; Loop Filter Bandwidth = 60 kHz, Channel Spacing = 240 kHz;
RMS Phase Error = 0.37°, RMS Jitter = 0.49 ps, EVM = 0.64%
–160
–150
–60
–70
–80
–90
–100
–110
–120
–130
–140
1k 10k 100k 1M 10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09800-112
Figure 12. Fractional-N Spur Performance, Low Noise Mode, W-CDMA Band;
RF
OUT
= 2111.28 MHz, REF
IN
= 122.88 MHz, PFD = 30.72 MHz, Output Divide-by-2
Selected; Loop Filter Bandwidth = 20 kHz, Channel Spacing = 240 kHz;
RMS Phase Error = 0.25°, RMS Jitter = 0.32 ps, EVM = 0.44%
–160
–150
–60
–70
–80
–90
–100
–110
–120
–130
–140
1k 10k 100k 1M 10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09800-113
Figure 13. Fractional-N Spur Performance, Low Noise Mode, LTE Band;
RF
OUT
= 2646.96 MHz, REF
IN
= 122.88 MHz, PFD = 30.72 MHz; Loop Filter
Bandwidth = 60 kHz, Channel Spacing = 240 kHz; Phase Word = 9,
RMS Phase Error = 0.28°, RMS Jitter = 0.29 ps, EVM = 0.49%
–160
–150
–60
–70
–80
–90
–100
–110
–120
–130
–140
1k 10k 100k 1M 10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09800-1
14
Figure 14. Fractional-N Spur Performance, Low Spur Mode, LTE Band;
RF
OUT
= 2646.96 MHz, REF
IN
= 122.88 MHz, PFD = 30.72 MHz;
Loop Filter Bandwidth = 60 kHz, Channel Spacing = 240 kHz;
RMS Phase Error = 0.56°, RMS Jitter = 0.59 ps, EVM = 0.98%
–160
–150
–60
–70
–80
–90
–100
–110
–120
–130
–140
1k 10k 100k 1M 10M
PHASE NOISE (dBc/Hz)
FREQUENCY (Hz)
09800-1
15
Figure 15. Fractional-N Spur Performance, Low Noise Mode, W-CDMA Band;
RF
OUT
= 2646.96 MHz, REF
IN
= 122.88 MHz, PFD = 30.72 MHz;
Loop Filter Bandwidth = 20 kHz, Channel Spacing = 240 kHz;
RMS Phase Error = 0.35°, RMS Jitter = 0.36 ps, EVM = 0.61%