SKY85809-11

RF Front End (LNA + PA) Overview

The SKY85809-11 is a dual-band RF front-end module designed for 2.4 GHz and 5.8 GHz 802.11ac Wireless LAN applications. It integrates a 2.4 GHz power amplifier, a 5 GHz power amplifier, transmit filters, diplexers, and transmit/receive switches. The device operates with a supply voltage of 5 V and supports data rates up to 11 Mbps. It utilizes Silicon technology and is housed in a QFN-28 package suitable for SMD/SMT installation. All RF ports are matched to 50 Ω impedance.

RF Front End (LNA + PA) Feature Summary

• Integrates dual-band power amplifiers for 2.4 GHz and 5 GHz bands
• Includes integrated transmit filters, diplexers, and T/R switches
• All RF ports are matched to 50 Ω impedance

RF Front End (LNA + PA) Applications

• 802.11a/g/n/ac Wireless LAN systems
• Dual-band Wi-Fi connectivity modules
• IoT devices requiring WLAN support

RF Front End (LNA + PA) Procurement Notes

Verify component authenticity through authorized Skyworks Solutions distributors or official channels. Confirm the specific suffix designation matches project requirements. Ensure handling procedures account for moisture sensitivity classification. Validate that the QFN-28 package aligns with PCB footprint specifications. Cross-reference datasheet revisions to ensure compatibility with current design standards.

RF Front End (LNA + PA) Selection Notes

Select this component for designs requiring integrated dual-band PA functionality within a compact form factor. The QFN-28 package facilitates surface-mount assembly processes. Consider the 5 V operating voltage when designing power delivery networks. Verify thermal management capabilities for the silicon-based architecture. Ensure antenna interfaces match the 50 Ω port matching characteristics.

RF Front End (LNA + PA) Part Context

This part belongs to the SKY85809 series of RF front-end modules from Skyworks Solutions. It is categorized under wireless and RF integrated circuits. The associated development kit is identified as SKY85809-11EK1. The product status is listed as active, indicating ongoing manufacturing support.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.