Clock Recovery Unit
CR3302
120GBaud Clock Recovery Unit
Semight CR3302 is a compact, cost-effective and efficient desktop high-speed signal clock recovery unit, which supports either Non-Return-to-Zero (NRZ) or Pulse Amplitude Modulation 4-level (PAM4) signals clock recovery at 25~120GBaud. It is widely used in 1.6T optical transceiver and Interface test and measurement. Benefiting from its high sensitivity, low intrinsic jitter, and excellent measurement accuracy, the CR3302 is able to recover clocks from closed-eye signals.
Features
Wide Range
Supports NRZ / PAM4 signal clock extraction at 25~120GBaud
Excellent Performance
Fast locking speed
Wavelength Range
1200~1600 nm
Multiple Frequency Output
Supports 1/2（25/50GBaud）, 1/4, 1/8
Recovered Clock Random Jitter
≤200 fs (typical)
Flexible Configuration
Supports both optical and electrical signal clock recovery (optional)
High Sensitivity
-9 dBm@106.25 GBaud PAM4
Easy to Use
With either touch lcd screen or flexible remote-control solution|
Item |
Description |
|
Data Rate Input Range |
25 ~ 120 GBaud |
|
Modulation |
NRZ/PAM4 |
|
Optical Interface |
FC/UPC |
|
Electrical Interface |
2.92 mm female, 50 Ω |
|
Optical Input Power Range |
-10 ~ +5 dBm |
|
Optical Sensitivity |
-9 dBm@106.25 GBaud PAM4/1310 nm (typical) |
|
Wavelength Range |
1200 ~ 1600 nm |
|
Factory Calibrated Wavelength[1] |
1310 ±10 nm |
|
Recovery Clock Divide Ratio |
1/2(25/50GBaud), 1/4, 1/8 |
|
Recovered Clock Amplitude |
＞300 mVpp |
|
Recovered Clock Random Jitter |
≤200 fs (typical) |
|
Clock Output Characteristic Impedance |
50 Ω |
|
Loop Bandwidth |
100k ~ 4 MHz (typical) |
[1] ±10 nm refers to the Calibration Light Source wavelength error
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