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 bypass capacitors to reduce noise and ringing.
The LMH6518SQX/NOPB requires a specific bias voltage and current to operate optimally. Ensure that the bias voltage is within the recommended range (typically 5V to 12V) and that the bias current is limited to the recommended maximum value (typically 10mA).
The maximum input signal amplitude that the LMH6518SQX/NOPB can handle is typically limited by the device's input voltage range and the desired output signal quality. As a general rule, the input signal amplitude should be limited to 2Vpp or less to ensure optimal performance and prevent distortion.
To reduce noise and jitter in the LMH6518SQX/NOPB output signal, ensure that the device is properly bypassed, use a low-noise power supply, 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.
The typical power consumption of the LMH6518SQX/NOPB is around 150mW to 200mW, depending on the operating frequency and output load. However, this value can vary depending on the specific application and operating conditions.
LMH6518SQX/NOPB datasheet
by Texas Instruments
