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Frequent questions

  • [FAQ] DS280DF810: Which 25/28G Retimer Should I Select?

    Part Number: DS280DF810 Other Parts Discussed in Thread: DS250DF210 , DS250DF230 , DS250DF410 , DS250DF810 , Tool/software: TI has several retimers in its 25/28G retimer product family. This FAQ breaks down some of the key differences between TI's 25…

  • [FAQ] DS280DF810: How can I calculate estimated signal conditioner power consumption?

    Part Number: DS280DF810 Tool/software: When implementing a signal conditioning device in a system, one design consideration is the device power consumption. In order to address this design consideration, it's valuable to understand how to calculate the…

  • [FAQ] TUSB522P: Where should a USB3 redriver be placed?

    Part Number: TUSB522P Tool/software: The USB3 redriver is meant to recover signal loss from a lossy channel. The redriver is best placed near the end of the channel. For example, in a motherboard application, the redriver is best placed closer to the…

  • [FAQ] TUSB8041A: Can USB hub be cascaded?

    Part Number: TUSB8041A Tool/software: Cascading USB hubs means to connect a root USB hub to the next tier which has another one or more hubs and few other devices and carrying forth in multiple tiers of hubs and devices . The USB standard specifies the…

  • [FAQ] LMH1297: SDI and Ethernet CDRs eye diagram capture

    Part Number: LMH1297 Tool/software: SDI and Ethernet retimers provide a feature to capture: 1). HEO/VEO indicating horizontal and vertical eye opening 2). Additionally one can capture post equalized eye diagram as well. Attached file discusses…

  • [FAQ] IxC and SPI

    FAQ: Logic and Voltage Translation > IxC and SPI (CTRL + F) or (CMD + F) to search key words on this page! Level Translation: [FAQ] How do the LSF translators work? [ FAQ] What is PassFET Hangtime? Buffers: [FAQ] What is a buffered…

  • [FAQ] DP83826E: DP83826E: How do I determine the MSE/SNR levels using DP83826?

    Part Number: DP83826E Tool/software: MSE/SNR can be determined via Reg 0x218. Please note that this is an extended register and needs 4-step extended register access to read appropriate values. Once the hex value is obtained, convert to decimal…

  • [FAQ] DS320PR810: Can PCIe redriver equalization be bypassed or turned off?

    Part Number: DS320PR810 Other Parts Discussed in Thread: SN75LVPE5412 , Tool/software: Could I disable the equalization of a TI PCIe redriver by setting the EQ index to 0?

  • [FAQ] DS320PR810: What happens if redrivers are cascaded?

    Part Number: DS320PR810 Tool/software: Is cascading redrivers (placing multiple redrivers between root complex and endpoint, one after another) a valid method for extending the reach of a PCIe link beyond what one redriver can handle?

  • [FAQ] DP83867E: 1000Base-T Ethernet Compliance Register Script

    Part Number: DP83867E Tool/software: Ethernet compliance testing is the process of verifying that Ethernet devices and systems adhere to established industry standards and protocols. The current Rev C of SNLA239C provides a script that excludes essential…

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