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Frequent questions

  • [FAQ] Measuring the maximum drive distance of a signal conditioner across a cable

    Part Number: TDP1204 Tool/software: Most redrivers and retimers advertise their equalization capabilities in dB but its difficult to quantify what that represents in terms of cable length. This FAQ is a guide to determine how long of a cable can be supported…

  • [FAQ] Why TUSB804x hub can not be detected in SMBUS mode

    Part Number: TUSB8042A Tool/software: When the SMBus interface mode is enabled, the TUSB804x supports read block and write block protocols as a receiver-only SMBus device. The TUSB804x will wait indefinitely for configuration by the SMBus host and will…

  • [FAQ] TUSB8041A: what is difference between I2C mode and SMBUS mode for TUSB80xx hub

    Part Number: TUSB8041A Tool/software: In I2C mode, Hub is master and I2C is used to read / write external EEPROM . Hub configuration can be changed by reading external EEPROM In SMBUS mode, hub is receiver, you can change hub configuration by changing …

  • [FAQ] DS320PR810: How should redriver thermal vias and solder paste patterns be designed?

    Part Number: DS320PR810 Other Parts Discussed in Thread: DS320PR410 Tool/software: Why do we need to consider thermal vias and solder paste for redrivers at the board layout stage, and how should they be handled?

  • [FAQ] LMH1229: Understanding Jitter Measurements

    Part Number: LMH1229 Tool/software: To understand the overall jitter measurement it is important to understand what jitter is. All system jitter measurements have components of Deterministic Jitter (DJ) and Random Jitter (RJ) that sum to make the Total…

  • [FAQ] TUSB211A: My USB2 Redriver is not boosting when enabled during testing.

    Part Number: TUSB211A Tool/software: I am enabling my TUSB211A while running test packets through our setup, but I am not seeing any boost. Why is that?

  • [FAQ] TMUXHS221: Alternate Signaling Mux Selection

    Part Number: TMUXHS221 Other Parts Discussed in Thread: TS3USB221E , , TS3USB3031 Tool/software: I want to mux signals with a range of bandwidths equal to or lower than USB3.0 data rates without getting a full USB3 mux. What would be the best mux for this…

  • [FAQ] TUSB1002A: How to pass USB receiver JTOL compliance with a linear re-driver

    Part Number: TUSB1002A Tool/software: Hi Experts, How do I pass USB3 RX JTOL compliance with the TUSB1002A?

  • [FAQ] Suggested Common Mode Chokes and ESD devices for Highspeed Video Devices (1Gbps+)

    Part Number: TDP1204 Tool/software: Hey, CMC Selections: Please have a look at the CMC roadmap provided by Murata: https://www.murata.com/-/media/webrenewal/products/emc/emifil/cmcc/cmcc_img015.ashx?la=en&cvid=20240408065129000000 For any data rate…

  • [FAQ] DS125DF1610: Crosspoint Configuration

    Part Number: DS125DF1610 Other Parts Discussed in Thread: DS110DF1610 Tool/software: DS125DF1610 and DS110DF1610 are 16-channel retimers which implement 4x4 crosspoint switches. There are 2 registers which need to be configured to use the crosspoint…

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