QPF4509SR

RF Front End (LNA + PA) Overview

The QPF4509SR is a high-power RF front-end module designed for 5GHz Wi-Fi 7 (802.11be) applications. It operates within the frequency range of 5.17 GHz to 5.895 GHz and requires a 5 V supply voltage. The device features a noise figure of 1.6 dB, a gain of 32 dB, and a P1dB compression point of 31 dBm. Packaged in a small form factor suitable for SMD/SMT installation, it supports Reel and Cut Tape delivery methods.

RF Front End (LNA + PA) Feature Summary

• Integrated front-end module architecture optimized for Wi-Fi 7 systems
• High power output capability with low noise figure performance
• Small form factor design with integrated matching components

RF Front End (LNA + PA) Applications

• 5GHz Wi-Fi 7 access points
• 802.11be client devices
• High-performance wireless infrastructure equipment

RF Front End (LNA + PA) Procurement Notes

Verify the specific suffix against official Qorvo documentation to confirm package type and tape/reel specifications. Ensure compatibility with the target application's frequency band and power requirements. Confirm that the component meets all relevant regulatory standards for the intended market. Cross-reference the manufacturer part number with authorized distributor listings to validate authenticity and current availability status before finalizing procurement decisions.

RF Front End (LNA + PA) Selection Notes

Select this component for designs requiring high linearity and power efficiency in the 5GHz band. It serves as a direct upgrade path for legacy Wi-Fi 6 modules needing enhanced throughput. Consider the thermal management requirements associated with its high-power operation. Evaluate board space constraints due to its compact footprint. Ensure the system architecture supports the necessary control signals for optimal performance.

RF Front End (LNA + PA) Part Context

This part belongs to the QPF4509 series, which includes variants like QPF4509AEVB for evaluation and QPF4509SRC00 for production. These modules are engineered to support the stringent demands of next-generation wireless standards. The series represents Qorvo's focus on integrating complex RF functions into minimal footprints for modern consumer and infrastructure electronics.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers: None identified.