QSFP Performance Evaluation Of The 400G PAM4 Active Module Test Board
Brand Name:YOUCii
Certification:CU,IOS
Model Number:U9608
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QSFP Performance Evaluation Of The 400G PAM4 Active Module Test Board
The coaxial Connectors were used to evaluate the performance of the 400G PAM4 active module encapsulated in QSFPDD using a group of 40GHz 2x8 multi-Pin connectors in each of the transmitting and receiving positions. The PAM4 baud rate ranges from 25GBoud to 28GBoud Error meter, attenuator, oscilloscope and other equipment are used to evaluate the transmission performance indicators (such as eye image related indicators), receiving performance indicators (such as sensitivity indicators), read and write module EEPROM information and so on. The real object is shown in the picture below:
QSFP-DD EVB Performance Evaluation Of The 400G PAM4 Active Module Test Board Technical index
| NO. | pointer | Maximum value | Minimum value | unit |
| 1 | Data rate | 28 | 25 | GBd |
| 2 | Adjustable output supply voltage | 4 | 2.8 | V |
| 3 | Deviation voltage adjustment accuracy | 5 | mV | |
| 4 | Monitoring voltage accuracy | 5 | mV | |
| 5 | Monitoring current | 4000 | 0 | mA |
| 6 | Monitoring current accuracy | 0.1 | mA | |
| 7 | I2C rate | 400 | 100 | KHz |
| 8 | Power supply voltage (external DC power input voltage) | 5.5 | 4 | V |
| 9 | Operating temperature | 85 | -40 | °C |
| 10 | Communication mode | USB HID, no drive. | ||
| 11 | TX,RX Electrical interface type | 40GHz 2x8 Multi-coaxial Connectors | ||
| 12 | Input/output level mode | CML | ||
| 13 | Maximum support power consumption | 25W | ||
Product characteristics
1. QSFPDD encapsulates the interface and applies to the QSFPDD 400G PAM4 optical module.
2. PAM4 baud rate ranges from 25 GBD to 28 GBD.
3. TX,RX electrical interface type: 40GHz 2x8 Multi-coaxial Connectors, CML level input-output coaxial Connectors;
4, support current real-time monitoring and overcurrent protection.
5, Support the power supply voltage deviation test, the voltage range is 2.8~4.V adjustable, meet the module deviation of the minimum 3.0V and maximum 3.6V voltage test, as well as real-time voltage monitoring, the default 3.3V output, according to the current module real-time adjustment of the output voltage, to ensure that the power supply voltage under different loads is stable within the range of 10mV.
6, support industrial temperature environment application.
QSFP Performance Evaluation Of The 400G PAM4 Active Module Test Board
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