Clock Recovery Unit
CR4201
10G Clock Recovery Unit
Semight CR4201 is a clock recovery unit used in conjunction with the optical sampling oscilloscopes. Sampling oscilloscopes need a clock to trigger it for eye-diagram testing. When a clock or trigger signal is not provided by the device under test,such as ONT(Optical Network Terminal) or other line-card, CR4201 is the best choice to derive a clock from the data being measured.
CR4201 supports flexible & adaptive data rate range of 1.25 ~ 10.3125 Gbps clock recovery.
Features
Rate Adaptation
1.25~10.3125 Gbps,
Single-mode & Multi-mode Integrated
Supports both single-mode and multi-mode optical signal clock recovery
High Sensitivity
Single-mode and multi-mode minimum optical power -20dBm
Adjustable Loop Bandwidth
500k~3.5M Adjustable loop bandwidthFunctions and Advantages
Software Function
CR4201 has very intuitive and simple interface in which the system can be easily configured.Data Range |
1.25~10.3125 Gbps (Self-Adaptive) |
| Optical Interface | FC/UPC |
| Input Power | >-20 dBm |
Output Clock Division | 1/2, 1/4, 1/8, 1/16 |
Output Clock Amplitude |
200~600 mV |
| Output Impedance | 50 Ω |
Rise/Fall Time of Output Clock（20%~80%） |
＜100 ps |
PLL Bandwidth |
500 kHz/1 MHz/1.5 MHz/2.0 MHz/2.5 MHz/3.0 MHz/3.5 MHz |
Jitter Peak to Peak |
0.01 dB @ OC-3/ OC-12 0.014 dB @ OC-48/8GFC/OC-192 |
| Jitter Tolerance | Meet the requirements of standards and specifications |
| Output Jitter | <4.5mUI @ OC-192 <5mUI @ 8GFC <2.5mUI @ OC-48,12kHz to 20MHz <0.7mUI @ OC-12,12 kHz to 5 MHz <0.2mUI @ OC-3,12 kHz to 1.3 MHz |
| Power | LINE: 100-240 VAC,50/60 Hz, 250 W FUSE: T3.15AL 250 VAC |
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