LFCN-123+ datasheet by Mini-Circuits

LFCN-123+ Frequently Asked Questions (FAQs)

• What is the maximum operating temperature range for the LFCN-123+?
  The maximum operating temperature range for the LFCN-123+ is -40°C to +85°C.
• Can I use the LFCN-123+ in a high-humidity environment?
  Yes, the LFCN-123+ is designed to operate in humid environments, but it's recommended to follow proper sealing and conformal coating procedures to ensure reliability.
• What is the recommended PCB layout and grounding scheme for optimal performance?
  For optimal performance, it's recommended to use a multi-layer PCB with a solid ground plane, and to connect the device's ground pins to the ground plane using vias. A low-impedance path to the ground plane is essential for optimal noise performance.
• How do I ensure the LFCN-123+ is properly biased for optimal performance?
  To ensure proper biasing, follow the recommended biasing circuit shown in the datasheet, and ensure that the voltage supply is well-regulated and noise-free. Additionally, it's recommended to use a low-noise voltage regulator and to decouple the power supply lines.
• What is the recommended input and output impedance matching for the LFCN-123+?
  The recommended input and output impedance matching for the LFCN-123+ is 50 ohms. It's essential to match the impedance to ensure maximum power transfer and to minimize reflections.