SKY77916-21

Overview

The SKY77916-21 is a transmit/receive front-end module designed for advanced cellular handsets. It provides a complete solution from the voltage-controlled oscillator to the antenna for transmission, and includes SAW filters for reception. The device supports quad-band GSM, GPRS, EDGE with multi-slot capabilities, dual-band TD-SCDMA, and TDD LTE Band 39. It integrates 14 linear TRx switch ports and an integrated directional coupler.

Feature Summary

• Integrates complete Tx path from VCO to antenna and Rx path with SAW filters
• Supports quad-band GSM, GPRS, EDGE, dual-band TD-SCDMA, and TDD LTE Band 39
• Features 14 linear TRx switch ports for flexible connectivity
• Includes integrated directional coupler for power monitoring

Applications

• Advanced cellular mobile phones requiring multi-mode support
• Devices supporting quad-band GSM/GPRS/EDGE standards
• Handsets utilizing TD-SCDMA networks
• Equipment operating on TDD LTE Band 39

Procurement Notes

Verify component authenticity through authorized Skyworks distributors. Confirm package integrity and pin alignment against official datasheet specifications. Check for EOL status or discontinuation notices prior to procurement. Ensure supply chain documentation matches the specific -21 suffix variant. Validate that received units correspond to the exact part number without substitution unless explicitly documented.

Selection Notes

Select this module for designs requiring integration of multiple wireless standards in a compact form factor. It is suitable for applications needing simultaneous support for legacy GSM/EDGE and modern TD-SCDMA/LTE TDD bands. Consider its integrated switch and coupler features when minimizing external component count. Evaluate compatibility with existing baseband processor interfaces and control logic requirements.

Part Context

This component belongs to Skyworks' portfolio of RF front-end modules for mobile communications. It addresses the need for high integration in multi-mode devices. The module consolidates switching, filtering, and amplification functions typically distributed across discrete components. It represents a solution for complex radio frequency signal routing in portable electronic devices.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation. Verify if newer revisions or alternative SKUs from Skyworks offer equivalent functionality. Consult manufacturer guidelines for end-of-life transition strategies if applicable.