QPF4657SB

RF Front End (LNA + PA) Overview

The QPF4657SB is an integrated front-end module (FEM) designed for Wi-Fi 7 (802.11be) systems operating in the 5.92 GHz to 7.12 GHz frequency range. It integrates a power amplifier, single-pole two-throw switch, and bypassable low-noise amplifier into a single device. The component operates at a supply voltage of 5 V and features a noise figure of 1.9 dB. It utilizes SMD/SMT installation style and is packaged in Reel or Cut Tape formats.

RF Front End (LNA + PA) Feature Summary

• Integrates power amplifier, SP2T switch, and LNA
• Designed for Wi-Fi 7 (802.11be) applications
• Bypassable low-noise amplifier functionality

RF Front End (LNA + PA) Applications

• Wi-Fi 7 (802.11be) systems
• Front-end module integration
• RF signal processing in wireless infrastructure

RF Front End (LNA + PA) Procurement Notes

Verify part authenticity through authorized channels. Confirm package type matches Reel or Cut Tape specifications. Ensure compatibility with 5 V supply requirements. Check RoHS compliance status before integration. Validate frequency range alignment with system design.

RF Front End (LNA + PA) Selection Notes

Select based on Wi-Fi 7 protocol support and 6-7 GHz operational bandwidth. Consider integration benefits of combined PA, switch, and LNA components. Evaluate noise figure performance for signal integrity. Assess packaging format suitability for assembly processes.

RF Front End (LNA + PA) Part Context

Part of Qorvo's RF front-end portfolio for advanced wireless standards. Supports high-power applications in modern communication systems. Designed for compact form factor implementation in next-generation devices.

RF Front End (LNA + PA) Replacement Considerations

QPF4657EVB serves as an evaluation board variant for testing purposes. Direct functional substitutes require matching Wi-Fi 7 specifications and integrated FEM architecture.