SKYA21049

SkyOne® Automotive Multimode Multiband Front-End Module for 4G LTE and 4G LTE-A (Downlink Carrier Aggregation (CA) Applications)

Please note: SKYA21049 is being discontinued and is not recommended for new designs.

The SKYA21049 SkyOne® is an automotive hybrid, multimode, multiband (MMMB) Front-End Module (FEM) that supports 2.5G and 3G/4G and operates efficiently in GSM, GPRS, EDGE, TD-SCDMA, WCDMA, HSPA and LTE modes. The FEM consists of a GSM800/EGSM900 PA block, a DCS1800/PCS1900 PA block, separate WCDMA blocks operating in the low and mid- bands, duplexers for bands 2, 4, and 5, a logic control block for multiple power control levels and band-enable functions in both cellular and UMTS. RF I/O ports are internally matched to 50 ohms for minimum need of external components. Filter Integration: Duplexers for bands 2, 4, and 5 are designed into the SKYA21049 to produce a highly integrated front-end solution. Matching circuits, pre- and post- duplexer, accomplish PA matching and eliminate any tuning requirement outside the module. This highly integrated solution also reduces time-to-market significantly, and the smallest RF footprint makes more space available to form-factor designers.

GSM / EDGE: The SKYA21049, with new compact architecture, supports the GSM850, EGSM900, DCS1800 and PCS1900 bands, as well as 2.5G Class 12 Enhanced General Packet Radio Service (EGPRS) multi-slot operation and EDGE linear modulation.

WCDMA – The SKYA21049 enhanced architecture supports WCDMA/High-Speed Downlink Packet Access (HSDPA) and High-Speed Uplink Packet Access (HSUPA) modulations, covers multiple bands for 3GPP including bands 2, 4, 5, and operates at different power modes.LTE – The SKYA21049 meets spectral linearity requirements of LTE modulation with QPSK/16QAM up to 20 MHz bandwidth, including various resource block allocations, with good power-added efficiency.

LTE-A – The SKYA21049 supports Band 2 and Band 4 downlink Carrier Aggregation without need of external quadplexers.

TD-SCDMA – The SKYA21049 meets spectral linearity requirements of TD-SCDMA modulation with good power-added efficiency.

Receiver Section – The SKYA21049 integrated Duplexers, RX SAWs and SP9T SOI switches provide 2G/3G/4G Rx paths from antenna to LNA port of RFIC. GPS and WiFi coexistence is designed-in for exceptional support to maintain all radio performance, even in scenarios of simultaneous use. Optimized low insertion-loss Rx paths, matching circuits and well-grounded guard traces (high Tx–Rx isolation) inside the module mitigates de-sense problems and enhances sensitivity performance.

MIPI RFFE Control Interface – The SKYA21049 is fully controllable via two separate MIPI serial interfaces, one for the PA engine and one for the ASM.

Product Summary

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Specifications

Product LifecycleObsolete

DescriptionSkyOne® Automotive Multimode Multiband Front-End Module for 4G LTE and 4G LTE-A (Downlink Carrier Aggregation (CA) Applications)

PackageMCM, 56-pad

Package (mm)7 x 7.8 x 0.8

Features

10 TRx Aux ports (5 MB/HB, 5 LB/VLB) to support external RF paths and satellite PAs / duplexers / coexistence filters
MIPI® RFFE Control Interface w/ 1.8 V nominal supply, fully operable for VIO high / VBATT low
Small, low profile package: 7 mm x 7.8 mm x 0.8 mm, 56-pad configuration
2.5G Features:
- EGPRS Class 12 multi-slot operation
- Two RF POUT control levels using digital logic interface
- Linear PA with bias optimization for efficiency/linearity trade-off in 8PSK mode
3G Features:
- WCDMA mode supports output power, bandwidth for Bands 2, 4, 5 through an integrated select switch
- TD-SCDMA mode supports output power, bandwidth for Bands 34 and 39 via integrated select switch
- Linear amplifiers with bias optimization and low/high mode gain switch for best efficiency/linearity tradeoff
4G Features:
- LTE supports output power, bandwidth Bands 2, 3, 4, 5, 8, 12/17, 13, 20, 27, 28
- Bands 2, 3, 4, 20, 28, 39 up to 20 MHz bandwidth
- Band 27 up to 15 MHz bandwidth
- Bands 5, 8, 12/17, 13 up to 10 MHz bandwidth
- Bands 2 and 4 downlink Carrier Aggregation

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