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Si53xx-RM
Rev. 0.5 125
Figure 64. Jitter vs. Reference Frequency (2 of 2)
All phase noise numbers are in fs, RMS
External Reference Frequency: 37 41 55 61 109 125.5 163 180
Jitter Bandwidth: MHz MHz MHz MHz MHz MHz MHz MHz
SONET_OC48, 12 kHz to 20 MHz 1092 858 633 715 330 321 292 298
SONET_OC192_A, 20 kHz to 80 MHz 1086 855 639 698 356 335 325 331
SONET_OC192_B, 4 MHz to 80 MHz 226 229 232 221 217 183 221 226
SONET_OC192_C, 50 kHz to 80 MHz 1028 797 597 651 340 316 314 320
BroadBand, 800 Hz to 80 MHz 1165 956 728 773 423 375 393 393
41 MHz thru 180 MHz Ext Ref, 155.52 MHz in, 622.08 MHz out
-160
-140
-120
-100
-80
-60
-40
-20
0
100 1000 10000 100000 1000000 10000000 100000000
Offset Frequency (Hz)
Phase Noise (dBc/Hz)
Dark Blue—41 MHz
Light Blue—61 MHz
Red—125.5 MHz
Green—180 MHz