QPF4257SR

RF Front End (LNA + PA) Overview

The QPF4257SR is a high-power RF front-end module designed for 2.4 GHz Wi-Fi 7 applications. It integrates a power amplifier and low-noise amplifier within a compact 24-pin QFN (5x3 mm) package. The device operates across the 2.142 GHz to 2.484 GHz frequency range with a 5 V supply voltage. Key electrical specifications include a P1dB compression point of 30 dBm, a noise figure of 1.6 dB, and gain values of 33 dB and 14.5 dB. This component supports high-efficiency transmission and reception in modern wireless networks.

RF Front End (LNA + PA) Feature Summary

• Integrated design combining power amplification and low-noise reception capabilities
• Optimized for high-power performance in Wi-Fi 7 environments
• Compact surface-mount packaging suitable for space-constrained layouts

RF Front End (LNA + PA) Applications

• Wi-Fi 7 access points
• High-performance wireless routers
• Enterprise networking equipment

RF Front End (LNA + PA) Procurement Notes

Verify the specific ordering suffix against official Qorvo documentation to ensure correct configuration. Confirm that the requested quantity aligns with manufacturer minimum order requirements and production lead times. Validate compliance with RoHS standards and moisture sensitivity levels prior to integration into final assembly processes.

RF Front End (LNA + PA) Selection Notes

Select this module for systems requiring robust signal integrity at 2.4 GHz frequencies. Ensure the host PCB layout accommodates the specified thermal dissipation requirements for the QFN package. Verify compatibility with the 5 V operating voltage and interface signals defined in the technical datasheet before implementation.

RF Front End (LNA + PA) Part Context

This component belongs to Qorvo’s dedicated family of front-end modules engineered for next-generation wireless standards. It complements other models such as the QPF4557SR and QPF4657EVB by providing specialized solutions for distinct frequency bands. The series emphasizes integrated matching and compact form factors to simplify system design.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Evaluate alternative components based on identical pinout configurations, frequency ranges, and electrical performance metrics if direct substitution is required.