Bourns recommends a symmetrical PCB layout with a solid ground plane, and keeping the component away from high-frequency noise sources. A 4-layer PCB with a dedicated ground plane is ideal. Additionally, use a 50-ohm microstrip transmission line to connect the component to the antenna.
Use a network analyzer to measure the impedance of the antenna and the SRF1260-820M. Then, use a Smith chart to determine the optimal matching network components (e.g., capacitors, inductors) to achieve a 50-ohm match. You can also use simulation software like ADS or AWR to simulate the matching network.
The maximum power handling of the SRF1260-820M is 2W continuous wave (CW) power. However, it's recommended to derate the power handling based on the operating frequency, duty cycle, and environmental conditions to ensure reliable operation.
The SRF1260-820M is rated for operation up to 125°C. However, the component's performance may degrade at high temperatures, and the maximum power handling may need to be derated. It's recommended to consult with Bourns' application engineers for specific guidance on high-temperature operation.
Start by checking the PCB layout and assembly for any defects or errors. Use a network analyzer to measure the component's S-parameters and compare them to the datasheet specifications. Also, check the power supply and biasing circuitry to ensure they are within the recommended specifications. If the issue persists, consult with Bourns' application engineers for further assistance.
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