SKY65723-11

RF Front End (LNA + PA) Overview

The SKY65723-11 is a Low-Noise Amplifier Front-End Module designed for GPS, GNSS, and BDS receiver applications. It integrates an LNA with a pre-filter featuring a Band 13 notch. The module operates at a frequency of 1.575 GHz with a typical gain of 17 dB and a noise figure of 1.8 dB. It requires a supply voltage of 1.8 V and draws a current of 4 mA. Key linearity metrics include an OIP3 of -8 dBm and a P1dB compression point of -15.5 dBm. The device supports SMD/SMT installation and is moisture sensitive.

RF Front End (LNA + PA) Feature Summary

• Integrates a low-noise amplifier with a dedicated pre-filter for enhanced signal integrity.
• Includes a specific notch filter to reject interference from Band 13 cellular frequencies.
• Optimized for multi-constellation navigation including GPS, GNSS, and BDS systems.

RF Front End (LNA + PA) Applications

• GPS receiver front-end modules
• GNSS positioning systems
• BeiDou Navigation Satellite System (BDS) receivers

RF Front End (LNA + PA) Procurement Notes

Verify the component's authenticity through Skyworks Solutions authorized channels. Confirm RoHS compliance status and check for recent Process/Product Change Notifications (PCN). Ensure handling procedures account for the specified moisture sensitivity level to prevent package damage during storage and reflow soldering processes.

RF Front End (LNA + PA) Selection Notes

Select this module when designing compact navigation receivers requiring integrated filtering. The built-in Band 13 notch is critical for devices operating in regions with LTE-B13 usage. Consider the 1.8 V supply requirement and 4 mA current draw for power budget calculations. Verify that the -15.5 dBm P1dB meets system linearity requirements for dense RF environments.

RF Front End (LNA + PA) Part Context

This part belongs to the Skyworks SKY65723 series of RF front-end solutions. It is categorized under Wireless & RF Integrated Circuits. The manufacturer identifies it as a specialized solution for satellite navigation, distinguishing it from general-purpose amplifiers or other FEMs in the portfolio.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Skyworks Solutions directly for obsolescence notices or recommended alternatives if this specific model becomes unavailable.

RF Front End (LNA + PA) FAQ

What is the purpose of the pre-filter in this module?

The pre-filter includes a notch specifically designed to attenuate signals from Band 13, preventing interference with GPS/GNSS/BDS reception.

Is this module suitable for BeiDou systems?

Yes, the datasheet explicitly lists BDS (BeiDou Navigation Satellite System) as a supported application alongside GPS and GNSS.