SKY85729-11

RF Front End (LNA + PA) Overview

The SKY85729-11 is a highly integrated front-end module designed for 5 GHz WLAN applications, supporting 802.11ax standards. It incorporates a power amplifier, low-noise amplifier with bypass functionality, and a single-pole double-throw transmit/receive switch within a compact 16-QFN (3x3 mm) package. The device operates at 5 GHz with an input voltage of 5V and delivers an output power of 18dBm. It features fully matched input and output ports alongside an integrated logarithmic power detector to ensure efficient signal processing in wireless networks.

RF Front End (LNA + PA) Feature Summary

• Integrates power amplifier, low-noise amplifier with bypass, and T/R switch
• Includes integrated logarithmic power detector for monitoring
• Features fully matched input and output ports

RF Front End (LNA + PA) Applications

• 5 GHz Wi-Fi access points
• Wireless LAN infrastructure equipment
• 802.11ax compliant network devices

RF Front End (LNA + PA) Procurement Notes

Verify component authenticity through authorized distributors due to end-of-life status. Confirm RoHS compliance and ECCN classification prior to procurement. Ensure supply chain stability as the manufacturer has announced discontinuation. Validate package integrity upon receipt to prevent damage to the QFN footprint.

RF Front End (LNA + PA) Selection Notes

Select this component for designs requiring high integration in 5 GHz WLAN systems. Consider the 16-QFN footprint for PCB layout constraints. Evaluate thermal management requirements given the 5V operation and 18dBm output capability. Verify compatibility with existing RF matching networks due to fully matched ports.

RF Front End (LNA + PA) Part Context

This part belongs to Skyworks' family of integrated front-end modules for wireless communications. It complements other SKY85xxx series components by providing a complete solution for transmit and receive paths in 5 GHz bands. The module simplifies design complexity by consolidating multiple discrete RF functions into a single package.

RF Front End (LNA + PA) Replacement Considerations

• SKY85711-11

RF Front End (LNA + PA) FAQ

What wireless standards does the SKY85729-11 support?

It supports 802.11ax (Wi-Fi 6) and 5 GHz WLAN applications.

What is the operating frequency range?

The device operates within the 5.150 to 5.925 GHz range.