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2.4GHz 802.11ax RF Front-End Module

KCT8239SD

2.4GHz 802.11ax RF Front-End Module

Introduction

KCT8239SD is a fully integrated 802.11b/g/n/ac/ax WLAN RF Front-end module (FEM) which incorporates key RF functionality. It is integrated with a high-efficiency power amplifier (PA), a low noise amplifier (LNA) with bypass, the associated matching network and a single-pole, double-throw (SPDT) switch all in one device.

 

KCT8239SD integrates a DC voltage output power detector, and a digital enable control for transmitter power ramp on/off control.

 

KCT8239SD is assembled in a compact, low-profile 3x3x0.75mm 16-pin QFN package. It is the perfect RF Front-end solution for implementing 2.4GHz high-performance WLAN systems supporting multiple standards.


Specifications

Integrated high performance 2.4GHz PA, LNA with bypass, and T/R switch

Fully-matched input and output

Integrated Power Detector

Transmit gain: 30.0dB at 5V

Receive gain: 15.5dB at 5V

Noise figure: 2.5dB at 5V

Output power:

+20.5dBm @ -43dB DEVM, HE40/MCS11,5V

+21.5dBm @ -40dB DEVM, HE40/MCS11,5V

+23.5dBm @ -35dB DEVM, VHT40/MCS9,5V

+24.5dBm @ -30dB DEVM, HT20/MCS7,5V

ESD protection circuitry on all PINs

Minimal External Components Required

Small package: QFN-16L, 3mm × 3mm × 0.75mm (MSL3, 260℃per JEDEC J-STD-020)

RoHS and REACH Compliant


2.4GHz 802.11ax RF Front-End Module

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