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Frequent questions

  • [FAQ] When implementing a USB 3.x signal redriver, what is the difference between pre-channel loss and post-channel loss?

    Other Parts Discussed in Thread: TUSB1002A I am implementing a USB 3.x signal redriver to help with signal integrity issues. I understand that a redriver provides equalization to the signal path but what losses are affected by this equalization?

  • [FAQ] How do I debug a TI USB Hubs when downstream ports are non-operational?

    Other Parts Discussed in Thread: TUSB8044 , TUSB8041A , TUSB8043 , TUSB8042 , TUSB4020BI , TUSB8020B , TUSB8041 , TUSB4041I I have implemented a USB Hub with four USB 3.1 Gen / USB 2.0 ports using TUSB8044 however the downstream ports don’t work when…

  • [FAQ] How to Enable DSxxxDFxxx to Lock to Any Data Rate within VCO Range

    Part Number: DS280DF810 Other Parts Discussed in Thread: SIGCONARCHITECT In this example, we use a non-standard data rate - for example 24.33Gbps - and configure register settings to lock to this data rate. Note: Data rate MUST be within the device…

  • [FAQ] DS280DF810: What are register settings to enable prbs generator and checker using a simple divide by 2, 4, or 8 clock

    Part Number: DS280DF810 Using DS280DFxxx or DS250DFxxx we can use a simple divide by 2, 4, or 8 of the data rate clock to generate different prbs pattern at different data rates up to 28Gbps. What are the register settings to make this happen?

  • [FAQ] DS250DF410: How to setup PRBS pattern generation/checker using divide by 2, 4, or 8 clock

    Part Number: DS250DF410 Other Parts Discussed in Thread: SIGCONARCHITECT Using a simple clock, DS250DFxxx and DS280DFxxx can generate different prbs patterns at different data rate up to 28Gbps. To make it very simple, SigconArchitect can be used to achieve…

  • [FAQ] PCA9306: Voltage levels translation

    Part Number: PCA9306 To allow proper translation of I2C signals from one voltage reference to another, both the high-level and low-level voltage thresholds need to be translated. However, these threshold voltages are not mentioned in the datasheet of…

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