SKY77580

RF Front End (LNA + PA) Overview

The SKY77580 is a transmit and receive Front-End Module (FEM) with integrated power amplifier control, designed in a low profile, compact form. It supports Class12 GPRS multi-slot operation and EDGE downlink. The module includes GSM850/GSM900 PA units, DCS1800/PCS1900 PA units, and 50 Ohm input/output impedance matching circuits. Key performance metrics include high efficiency: 47% for GSM850, 48% for GSM900, and 42% for DCS1800/PCS1900. Transmit supply current is 1.21 A for GSM850 and 1.18 A for GSM900.

RF Front End (LNA + PA) Feature Summary

• Integrated power amplifier control within a low-profile, compact form factor
• Supports Class12 GPRS multi-slot operation and EDGE downlink capabilities
• Includes dedicated PA units for GSM850/GSM900 and DCS1800/PCS1900 bands
• Features built-in 50 Ohm input and output impedance matching circuits

RF Front End (LNA + PA) Applications

• Dual-band cellular handsets
• Mobile phone front-end modules
• GSM/GPRS quad-band transceivers

RF Front End (LNA + PA) Procurement Notes

Verify the specific ordering suffix (e.g., -11) against the manufacturer's official datasheet to ensure correct package type and tape/reel specifications. Confirm that the component is sourced from authorized distributors to avoid counterfeit parts. Check for any recent product lifecycle notices or obsolescence warnings directly from Skyworks Solutions Inc. documentation before placing orders.

RF Front End (LNA + PA) Selection Notes

Select this module for applications requiring integrated PA control and support for Class12 GPRS multi-slot operations. Ensure the design accommodates the specified transmit supply currents of 1.21 A and 1.18 A for lower bands. Verify compatibility with EDGE downlink requirements and confirm that the 50 Ohm impedance matching aligns with the system's RF interface needs.

RF Front End (LNA + PA) Part Context

The SKY77580 belongs to Skyworks Solutions' portfolio of front-end modules designed for mobile communication devices. It integrates multiple functions into a single compact solution, reducing board space compared to discrete components. This module is part of a series addressing GSM/GPRS network requirements, offering a streamlined approach to implementing quad-band transmit and dual-band receive functionalities in handheld devices.

RF Front End (LNA + PA) Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult Skyworks Solutions Inc. official resources for potential cross-references or updated module replacements.