SKY65535-11

5 GHz WLAN Front-end Module

Please note: SKY65535-11 is being discontinued and is not recommended for new designs. The suggested replacement is SKY85716-11

The SKY65535-11 is a highly-integrated, 5 GHz Front-End Module (FEM) incorporating a 5 GHz Single-Pole, Double-Throw (SPDT) transmit/receive (T/R) switch, a 5 GHz Low-Noise Amplifier (LNA) with bypass, and a 5 GHz Power Amplifier (PA) intended for mobile/portable 802.11n applications and systems. The device operates from a single supply voltage of 3.6 V and draws approximately 175 mA of current at +17.5 dBm of linear output power at the ANT port (pin 13) with a 64 QAM, 54 Mbps signal.

An enable/disable function is included that allows power savings during off mode. An integrated power detector with 20 dB of dynamic range is included to provide closed-loop power control within the system.

The device is provided in a compact, 16-pin 2.5 x 2.5 mm Quad Flat No-Lead (QFN) package.

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Specifications

Product LifecycleLast Time Buy

Frequency (GHz) Min.5.15

Replacement Part SKY85716-11

Frequency (GHz) Max.5.95

Typ. Current @ V_DD = 3.3 V 17.5dBm (mA)

Typ. Current @ V_DD = 3.6 V 17.5dBm (mA)

Typ. Current @ V_CC = 3.6 V (mA)

Typ. P_OUT @ 3.0% EVM (dBm)

Typ. Current @ V_CC = 5 V (mA)

802.11 WLAN Standarda

Antenna Ports1

ArchitectureIntegrated high performance 5 GHz PA
with harmonic filter, LNA with bypass, and SPDT

Typ. P_OUT @ 2.5% EVM (dBm)17.5 (@ 3% EVM)

175 (@ 17.5 dBm)

Typ. Tx Gain (dB)29

Typ. P_OUT (dBm)

V_DD (V)

V_CC (V)

PackageQFN, 16-pin

Package (mm)2.5 x 2.5 x 0.45

Features

Integrated high performance 5 GHz PA with harmonic filter, LNA with bypass, and SPDT
Fully-matched input and output
Integrated, positive slope power detector
Transmit gain: 29 dB
Receive gain: 11 dB
Output power: +17.5 dBm @ 3% EVM, 64 QAM 54 Mbps
Direct connection to battery with 3.6 V nominal supply voltage
Small, QFN (16-pin, 2.5 x 2.5 mm) package (MSL1, 260 °C per JEDEC J-STD-020)

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