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2.4GHz 802.11ax RF Front-End Module

KCT8243HE

2.4GHz 802.11ax RF Front-End Module

Introduction

KCT8243HE is a fully integrated 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, a single-pole, double-throw (SPDT) transmit/receive (T/R) switch and the associated matching network all in one device.

 

The PA power detector and a digital enable control for transmitter power ramp on/off control is also integrated.

 

KCT8243HE is assembled in a compact, low-profile 3*5*0.75mm 24-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: 33.5dB at 5V

Receive gain: 15dB at 5V

Noise Figure: 1.5dB at 5V

Output power:

+21.5dBm @DEVM=-43dB, HE40/MCS11, 5V

+22.5dBm @DEVM=-40dB, HE40/MCS11, 5V

+24.5dBm @DEVM=-35dB, VHT40/MCS9, 5V

+25.5dBm @DEVM=-30dB, HT20/MCS7, 5V

ESD protection circuitry on all PINs

Minimal External Components Required

Package: QFN-24L, 3×5×0.75mm (MSL3, 260℃ per JEDEC J-STD-020)

ROHS and REACH Compliant


2.4GHz 802.11ax RF Front-End Module

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