SKY85300-21

2.4 GHz, 256 QAM WLAN/Bluetooth® Front-End Module

The SKY85300-21 is a complete 802.11b/g/n 256 QAM WLAN RF front-end module (FEM) with a Bluetooth port. The device provides all the functionality of a fully matched power amplifier (PA), power detector, harmonic filter, low-noise amplifier (LNA), and single-pole, triple-throw (SP3T) switch.

The SKY85300-21 provides a complete 2.4 GHz WLAN RF solution from the output of the transceiver to the antenna, and from the antenna to the input of the transceiver. The LNA increases the receive sensitivity of embedded solutions to improve range or to overcome the insertion loss of cellular filters (often included for mobile applications).

The SKY85300-21 also includes a transmitter power detector with 20 dB of dynamic range, and a digital enable control for transmitter power ramp on/off control.

The device is provided in an ultracompact, 16-pin 3 x 3 mm Quad Flat No-Lead (QFN) package.

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Specifications

Product LifecycleLast Time Buy

Frequency (GHz) Min.2.4

Replacement Part SKY85310-21

Frequency (GHz) Max.2.5

RF Frequency (MHz)

Typ. P_OUT @ 2.5% EVM (dBm)

802.11 WLAN Standardb/g/n

Antenna Ports1

Architecture256 QAM WLAN/Bluetooth® Front-End Module

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

Typ. P_OUT @ 3.0% EVM (dBm)

Typ. Current @ V_CC = 5 V (mA)

Typ. Tx Gain (dB)26

V_DD (V)5

PackageQFN, 16-pin

Package (mm)3 x 3

Features

Integrated high-performance 2.4 GHz PA, harmonic filter, LNA with bypass, and T/R switch
Fully matched input and output
LNA with integrated bypass mode
High performance SP3T switch to support Bluetooth/WiFi functions
Integrated positive slope power detector
Transmit gain: 26 dB
Receive gain: 12 dB
Output power: +22 dBm, MCS7, 5 V
Output power: +21 dBm, MCS9, 5 V
Small QFN (16-pin, 3 x 3 mm) package (MSL1, 260 °C per JEDEC J-STD-020)

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