Product Summary

The SKY65225-11 is a WLAN 802.11n 2 x 2 MIMO Intera Front-End Module Intera nFEM combines two complete dual-band transmit/receive chains in one compact RF front end module optimized for 2 x 2 MIMO (multiple in – multiple out) operation, in compliance with the 802.11n draft standard. The SKY65225-11 includes two 5 GHz PAs and two 2 GHz PAs, each with integrated input filtering for 3–4 GHz rejection, and two temperature compensated, directional power detectors with 20 dB dynamic range. Also included are low loss, high rejection GaAs diplexers and switches which provide high linearity in all transmit paths and low loss in all receive paths. All RF ports are matched to 50Ω.

Parametrics

SKY65225-11 absolute maximum ratings: (1)VCC, VCC: -0.3 to 5.5 V; (2)PU0g, PU1g, PU0a, PU1a PU: -0.3 to 5.5 V; (3)T0g,T1g,T0a,T1a RFin: 10 dBm; (4)Operating temperature range, TOP: 0 to 85℃; (5)Storage temperature range, TSTO: -65 to 125℃; (6)Moisture sensitivity level, MSL-3: 250℃; (7)Thermal resistance, θJC: 60℃/W.

Features

SKY65225-11 features: (1)Two full dual-band transmit/receive chains; (2)PCIe, miniPCI, Cardbus, and access point applications; (3)Backward-compatible with 802.11a/b/g standards; (4)POUT @ 2.5% EVM: 16 dBm (-11a); 19 dBm (-11b); 19 dBm (-11g); (5)Gain matching: <1.0 dB @ 2 GHz, 2.0 dB @ 5 GHz; (6)Single 3.0–3.6 V power supply, internal voltage regulation; (7)Temperature-compensated PA bias networks and directional power detection; (8)Separate digital controls for each PA; (9)Package size: 10 x 14 x 0.9 mm; (10)Lead (Pb)-free and RoHS-compliant MSL-3 @ 250℃ per JEDEC J-STD-020.

Diagrams

SKY65225-11 block diagram

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