Texas Instruments provides a recommended PCB layout in the datasheet, but it's also recommended to follow general high-frequency PCB design guidelines, such as using a solid ground plane, minimizing trace lengths, and using 50-ohm transmission lines for input and output signals.
The LMH6609MAX/NOPB requires a specific bias voltage and current to operate optimally. Ensure that the VCC pin is connected to a stable 5V power supply, and the ISET pin is connected to a resistor that sets the desired output current. Refer to the datasheet for specific biasing requirements.
The LMH6609MAX/NOPB can handle input signal amplitudes up to 2Vpp differential, but it's recommended to limit the input amplitude to 1.5Vpp to ensure optimal performance and prevent distortion.
To reduce noise and jitter, ensure that the power supply is well-regulated and decoupled, use a low-noise reference clock, and minimize the length of the output signal traces. Additionally, consider using a output filter or a clock jitter cleaner to further reduce noise and jitter.
While the LMH6609MAX/NOPB is optimized for 50-ohm systems, it can be used in non-50-ohm systems with some adjustments. However, this may require additional impedance matching networks and may affect the device's performance. Consult the datasheet and application notes for more information.
LMH6609MAX/NOPB datasheet
by Texas Instruments
