SKY65725-81

RF Front End (LNA + PA) Overview

The SKY65725-81 is a shielded front-end module (FEM) featuring an integrated low-noise amplifier (LNA) and pre-filter, designed for GPS/GNSS/BDS applications. It operates within the frequency range of 1559 MHz to 1606 MHz. The device provides a gain of 16.5 dB with a noise figure of 1.8 dB. It functions on a supply voltage between 1.1 V and 2.85 V. The P1dB compression point is rated at -19 dBm. The component utilizes a silicon technology and is housed in an MCM-9 package.

RF Front End (LNA + PA) Feature Summary

• Integrated shielded front-end module combining LNA and pre-filter
• Optimized performance for Global Positioning System and GNSS signals
• Designed for compact mobile and wearable form factors

RF Front End (LNA + PA) Applications

• BDS/GPS/GNSS radio receivers
• Global Navigation Satellite Systems (GLONASS)
• Fitness and activity trackers
• Smartphones

RF Front End (LNA + PA) Procurement Notes

Verify the specific ordering suffix to ensure correct configuration, as variations exist within the SKY65725 series. Confirm that the required shielding and pre-filter characteristics match the target design specifications. Check current availability status, as production cycles may vary. Ensure compatibility with the intended operating voltage range and interface requirements before finalizing procurement plans.

RF Front End (LNA + PA) Selection Notes

Select this component when a shielded FEM with integrated pre-filter is required for GPS and GNSS bands. It is suitable for applications demanding high linearity and low noise in compact spaces. Consider the MCM-9 package size for PCB layout constraints. Evaluate the trade-off between the integrated solution and discrete components based on space and performance needs.

RF Front End (LNA + PA) Part Context

The SKY65725-81 belongs to Skyworks' family of RF front-end modules tailored for satellite navigation. It complements other variants like the SKY65725-11 by providing a shielded option. This module addresses the need for robust signal reception in crowded RF environments typical of modern mobile devices and tracking systems.

RF Front End (LNA + PA) Replacement Considerations

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