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山東恒兆信息科技有限公司
山東恒兆信息科技有限公司
FEATURE lCompatible with CPRI option10 24.33Gbps and 25GBASE 25.78Gbps l100m transmission over OM4 MMF l70m transmission over OM3 MMF l850nm VCSEL laser transmitter l80nm high sensitivity PIN-TIA receiver lSFP28 MSA compliant lBuilt-in digital diagnostic
| Transmitter | ||||||
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes |
| CenterWavelength | λt | 840 | 850 | 860 | nm | |
| Average Optical Power, 25GE | Pavg | -6 | - | 2.4 | dBm | |
| Optical Modulation Amplitude, 25GE | OMA | -3.2 | - | - | dBm | |
| OMA–TDP, 25GE | OMA_TDP | -4 | - | - | dBm | |
| Average Output Power (Laser Turn off) | POFF | - | - | -30 | dBm | |
| Spectral Width (RMS) | σ | - | 0.6 | nm | ||
| Extinction Ratio, 25GE | ER | 2 | - | - | dB | |
| Transmitter and Dispersion Penalty | TDP | - | - | 3.13 | dB | 1 |
| Optical Return Loss Tolerance | ORLT | - | - | 11 | dB | |
| Receiver | ||||||
| Center Wavelength | λr | 840 | 850 | 860 | nm | |
| Stressed OMA Sensitivity, 25GE | - | - | -5.2 | dBm | ||
| OMA Sensitivity, 25GE@1E-6 | PSEN_OMA | - | - | -10.2 | dBm | |
| Average Rx Sensitivity, 25GE@1E-6 | PSEN | - | - | -10.3 | dBm | |
| Receiver Overload | PIN-OL | 2.5 | - | - | dBm | |
| Reflectance | Ref | - | - | -12 | dB | |
| LOS Assert | LOSA | -30 | - | -17 | dBm | |
| LOS De-assert | LOSD | - | - | -17 | dBm | |
| LOS Hysteresis | LOSH | 0.5 | - | - | dB | |
| Transmitter (Module Input) | ||||||||
| Parameter | Symbol | Min. | Typical | Max. | Unit | Notes | ||
| Differential Data Input Amplitude | VIN,P-P | 100 | - | 900 | mVpp | |||
| Differential Input Impedance | Rin | - | 100 | - | Ω | |||
| Tx_Fault | Normal Operation | VIL | -0.3 | - | 0.4 | V | ||
| TxFault | VIH | 2.4 | - | VCC+0.3 | V | |||
| Tx_Disable | Normal Operation | VIL | -0.3 | - | 0.8 | V | ||
| Laser Disable | VIH | 2.0 | - | VCC+0.3 | V | |||
| Receiver (Module Output) | ||||||||
| Differential Data Output Amplitude | VOUT,P-P | 450 | - | 900 | mVpp | |||
| Differential Output Impedance | Rout | - | 100 | - | Ω | |||
| Differential Termination Mismatch | - | - | ±5 | % | ||||
| Output Rise/Fall Time, 20%~80% | TR | 9.5 | - | - | ps | |||
| Rx_LOS | Normal Operation | VOL | -0.3 | - | 0.4 | V | ||
| Lose Signal | VOH | 2.4 | - | VCC+0.3 | V | |||
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