- Silicon Laboratories, Inc. Clock User Manual

Si53xx-RM
154 Rev. 0.5
APPENDIX F—TYPICAL PERFORMANCE: BYPASS MODE, PSRR,
C
ROSSTALK, OUTPUT FORMAT JITTER
This appendix is divided into the following four sections:
 Bypass Mode Performance
 Power Supply Noise Rejection
 Crosstalk
 Output Format Jitter
Bypass: 622.08 MHz In, 622.08 MHz Out
Normal,
Locked
In Digital Hold In Bypass Marconi RF
Source
Jitter Bandwidth Jitter (RMS) Jitter (RMS) Jitter (RMS) Jitter (RMS)
Broadband, 1000 Hz to 10 MHz 296 fs 294 fs 2,426 fs 249 fs
OC-48, 12 kHz to 20 MHz 303 fs 304 fs 2,281 fs 236 fs
OC-192, 20 kHz to 80 MHz 321 fs 319 fs 3,079fs 352 fs
OC-192,4 MHz to 80 MHz 169 fs 165 fs 2,621 fs 305 fs
OC-192, 50 kHz to 80 MHz 304 fs 303 fs 3,078 fs 340 fs
Broadband, 800 Hz to 80 MHz 329 fs 325 fs 3,076 fs 370 fs
Dark blue — normal, locked Pink — bypass
Light blue — digital hold Green — Marconi RF generator
622.08 MHz in, 622.08 MHz out
-160
-150
-140
-130
-120
-110
-100
-90
-80
-70
-60
100 1000 10000 100000 1000000 10000000 100000000
Offset Frequency (Hz)
Phase Noise (dBc/H
z