RA81F0472STGNH#KB0

RF Front End (LNA + PA) Overview

The RA81F0472STGNH#KB0 is a dual-path RF switch integrated circuit manufactured by Renesas Electronics Corporation. It operates within the 2.3GHz to 2.7GHz frequency range and is designed for general-purpose applications. The device integrates a Low Noise Amplifier (LNA) and a Digitally Variable Gain Amplifier (DVGA) alongside the switching functionality. It is housed in a compact 32-pin VFQFPN package with dimensions of 5mm x 5mm, suitable for space-constrained wireless communication systems.

RF Front End (LNA + PA) Feature Summary

• Integrates dual-path RF switching with embedded LNA and DVGA capabilities
• Operates specifically within the 2.3GHz to 2.7GHz frequency band
• Utilizes a compact 32-pin VFQFPN (5x5) surface-mount package

RF Front End (LNA + PA) Applications

• Wireless RF communication systems
• General purpose RF front-end modules
• Mobile device antenna switching circuits

RF Front End (LNA + PA) Procurement Notes

Verify the exact part number suffix #KB0 against official Renesas documentation to ensure correct packaging and tape-and-reel specifications. Confirm that the 2.3GHz-2.7GHz operational range aligns with your specific system requirements. Cross-reference the 32-VFQFPN (5x5) footprint with your PCB layout guidelines to guarantee mechanical compatibility during procurement.

RF Front End (LNA + PA) Selection Notes

Select this component when a combined solution for signal routing, amplification, and gain control is required in the 2.3GHz-2.7GHz spectrum. The integrated LNA and DVGA reduce external component count compared to discrete designs. Ensure the design supports the thermal and electrical characteristics defined in the official datasheet for the VFQFPN package.

RF Front End (LNA + PA) Part Context

This component belongs to Renesas' portfolio of RF and Wireless/RF Amplifiers. It is categorized under RF Switch ICs within the broader Wireless & RF Integrated Circuits subcategory. The device represents a specialized integration strategy aimed at simplifying front-end architecture for modern wireless standards requiring operation in the specified GHz range.

RF Front End (LNA + PA) Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Consult official Renesas resources for potential obsolescence management or cross-reference options if this specific model becomes unavailable.