SKY85309-11

2.4 GHz WLAN Front-end Module


The SKY85309-11 is a highly integrated, 2.4 GHz front-end module (FEM) incorporating a 2.4 GHz single-pole, double-throw (SPDT) transmit/receive (T/R) switch, a 2.4 GHz low-noise amplifier (LNA) with bypass, and a 2.4 GHz power amplifier (PA) intended for high-power 802.11ac applications and systems.

The LNA and PA disable functions ensure low leakage current in off mode. An integrated power detector is included to provide closed-loop power control within the system.

The device is provided in a compact, 24-pin 3 x 5 mm Quad Flat No-Lead (QFN) package.

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Specifications

Frequency (GHz) Min.2.4
Frequency (GHz) Max.2.5
RF Frequency (MHz)
Typ. POUT @ 2.5% EVM (dBm)
470
802.11 WLAN Standardac
Antenna Ports1
ArchitectureWLAN Front-End Module
Typ. Current @ VDD = 3.3 V 17.5dBm (mA)
Typ. POUT @ 3.0% EVM (dBm)24
Typ. Current @ VCC = 5 V (mA)
Typ. Tx Gain (dB)32
VDD (V)
PackageQFN, 24-pin
Package (mm)3 x 5 x 0.85

Features

  • Integrated high performance 2.4 GHz PA, LNA with bypass, and T/R switch
  • Fully-matched input and output
  • Integrated power detector and directional coupler
  • Transmit gain: 32 dB
  • Receive gain: 12 dB
  • Output power: +22 dBm @ 1.8% EVM, HT40, MCS9, 5 V
  • Output power: +24 dBm @ 3% EVM, HT40, MCS7, 5 V
  • Small, QFN (24-pin, 3 x 5 mm) package (MSL3, 260°C per JEDEC J-STD-020)

Product Documents

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