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The SKY77590-11 is a front-end module (FEM) designed for quad-band cellular handsets supporting GSM, GPRS, and EDGE standards. It integrates transmit/receive functions with six linear TRx switch ports to manage RF signal routing across multiple frequency bands. The component operates at 850MHz, 900MHz, 1.8GHz, and 1.9GHz, providing essential connectivity for mobile devices requiring multi-band support.
Verify the part status carefully as this specific model may be listed as obsolete in official Skyworks documentation. Confirm availability through authorized distributors or secondary market suppliers if new production units are not directly obtainable from the manufacturer. Ensure compatibility with existing board designs before procurement.
Select this component for applications requiring integrated quad-band FEM solutions for legacy or specific GSM-based networks. Consider the 28-MCM package size and surface mount requirements during PCB layout. Evaluate replacement options if current supply chains are restricted due to product lifecycle status.
This part belongs to Skyworks' RF Front End Modules series, specifically tailored for cellular applications. It complements other SKY77590 variants like the SKY77590-21, offering similar functional capabilities but potentially differing in packaging or minor specification details. It serves as a critical interface between the baseband processor and the antenna system.
The SKY77590-21 is a documented variant within the same family. Verify pinout and electrical specifications against the datasheet to ensure interchangeability. No other direct public substitutes are confirmed.