QPF4519TR13

RF Front End (LNA + PA) Overview

The QPF4519TR13 is an integrated front-end module (FEM) designed for 5 GHz Wi-Fi systems supporting 802.11a/n/ac standards. It integrates a power amplifier, single-pole two-throw switch, and bypassable low-noise amplifier into a compact package. The device operates within the 5.15 GHz to 5.925 GHz frequency range with a noise figure of 2 dB. It requires a 3.3 V supply voltage and draws 195 mA operating current. Key performance metrics include a gain of 15 dB or 30 dB, an output third-order intercept point of 27 dBm, and a 1 dB compression point of 20 dBm. It supports data rates up to 6 Mbps and functions between -40°C and +85°C.

RF Front End (LNA + PA) Feature Summary

• Integrates power amplifier, SP2T switch, and bypassable LNA in a single compact form factor
• Designed specifically for 5 GHz Wi-Fi 802.11a/n/ac system applications
• Includes integrated matching components to minimize board space requirements

RF Front End (LNA + PA) Applications

• Wi-Fi 802.11a/n/ac communication systems
• IoT devices requiring wireless connectivity
• General-purpose wireless communication equipment

RF Front End (LNA + PA) Procurement Notes

Verify component authenticity through authorized distributors as the QPF4519 series may have discontinuation notifications. Confirm specific ordering suffixes match required packaging formats such as tape and reel. Check for moisture sensitivity handling requirements during storage and assembly processes. Ensure compatibility with existing reference designs provided by the manufacturer.

RF Front End (LNA + PA) Selection Notes

Select this component for applications requiring high integration in 5 GHz Wi-Fi environments. Consider the compact QFN-16 package for space-constrained PCB layouts. Evaluate thermal management capabilities given the operating temperature range and current consumption. Verify that the integrated switch and LNA bypass functionality meets system switching speed and noise requirements.

RF Front End (LNA + PA) Part Context

The QPF4519 belongs to Qorvo's family of RF front-end modules tailored for wireless connectivity solutions. It represents a consolidated approach to managing transmit and receive paths in Wi-Fi infrastructure. The module simplifies design complexity by combining critical RF components into one unit, reducing the need for external matching networks and discrete switches.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult official manufacturer resources for potential end-of-life alternatives.