LMH0346SQE/NOPB datasheet by Texas Instruments

LMH0346SQE/NOPB Frequently Asked Questions (FAQs)

• What is the recommended PCB layout for optimal performance of the LMH0346SQE?
  A good PCB layout for the LMH0346SQE involves keeping the analog and digital grounds separate, using a solid ground plane, and minimizing the length of the input traces to reduce noise and interference.
• How do I ensure the LMH0346SQE is properly powered and decoupled?
  To ensure proper power and decoupling, use a high-quality power supply, add decoupling capacitors (e.g., 0.1uF and 10uF) close to the device, and consider adding a ferrite bead or inductor in series with the power supply to filter out high-frequency noise.
• What is the maximum cable length supported by the LMH0346SQE?
  The maximum cable length supported by the LMH0346SQE depends on the specific application and the type of cable used. As a general guideline, the device can support cable lengths up to 100 meters (330 feet) for HD-SDI and 300 meters (980 feet) for SD-SDI, but this may vary depending on the specific implementation.
• How do I troubleshoot issues with the LMH0346SQE, such as signal loss or distortion?
  To troubleshoot issues with the LMH0346SQE, start by checking the power supply and decoupling, then verify the input signal quality and cable integrity. Use an oscilloscope to analyze the signal waveform and check for signs of distortion or noise. Consult the datasheet and application notes for specific troubleshooting guidelines.
• Can I use the LMH0346SQE in a non-SDI application, such as HDMI or DisplayPort?
  The LMH0346SQE is specifically designed for SDI applications and is not recommended for use in non-SDI applications like HDMI or DisplayPort. Using the device in a non-SDI application may result in reduced performance or failure.