QPF4528SR

RF Front End (LNA + PA) Overview

The QPF4528SR is an integrated front-end module designed for 5 GHz Wi-Fi systems. It operates within the 5.25 GHz to 5.925 GHz frequency range and supports a bandwidth of 160 MHz. The device features a noise figure of 2 dB and offers selectable gain options of 15 dB and 30 dB. It functions at a supply voltage of 3.3 V with a current consumption of 165 mA. The P1dB compression point is rated at 27 dBm. The component utilizes silicon technology and is housed in a surface-mount package suitable for automated assembly.

RF Front End (LNA + PA) Feature Summary

• Integrated front-end module architecture combining power amplifier and low-noise amplifier functions
• Compact form factor with integrated matching network to minimize layout area
• Designed specifically for IEEE 802.11ax (Wi-Fi 6) system applications

RF Front End (LNA + PA) Applications

• IEEE 802.11ax wireless local area network devices
• 5 GHz Wi-Fi access points and routers
• Client-side Wi-Fi adapters and endpoints

RF Front End (LNA + PA) Procurement Notes

Verify component authenticity through authorized distribution channels due to potential counterfeit risks. Confirm RoHS compliance status via official documentation before integration. Check for moisture sensitivity handling requirements during storage and reflow processes. Ensure compatibility with existing PCB footprint and thermal management designs. Validate supply chain stability as availability may fluctuate based on manufacturer production schedules.

RF Front End (LNA + PA) Selection Notes

Evaluate the trade-off between the 15 dB and 30 dB gain settings based on specific link budget requirements. Consider the 3.3 V supply constraint when designing power delivery networks. Assess the 2.5 mm x 2.5 mm package dimensions against available board space. Verify that the 160 MHz bandwidth aligns with target channel width specifications. Review thermal dissipation capabilities given the 165 mA operating current.

RF Front End (LNA + PA) Part Context

This component belongs to the Qorvo QPF4528 series, which focuses on high-performance RF solutions for modern wireless standards. The series targets the growing demand for high-throughput connectivity in consumer electronics. It represents a shift towards highly integrated modules that reduce bill-of-materials complexity. The design philosophy emphasizes size reduction without compromising signal integrity or power efficiency.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.