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5GHz 3.3V 802.11ax RF Front-end Module

KCT8571HE

5GHz 3.3V 802.11ax RF Front-end Module

Introduction

KCT8571HE is a highly integrated RF front-end integrated circuit incorporates key RF functionality needed for IEEE 802.11a/n/ac/ax WLAN systems operating in the 5.15-5.95GHz range. It integrates a high-efficiency, high-linearity power amplifier (PA), a low noise amplifier (LNA) with bypass, the associated matching network, LO rejection, and harmonic filters all in one device.


 KCT8571HE is a 3.3V supply voltage power amplifier that conserves power consumption while maintaining the highest linear output power and excellent throughput. It is integrated with a DC voltage detector and a RF power detector from coupler which both intend to accurately monitoring the output power of PA


KCT8571HE is assembled in a compact, low-profile 3 x 3 x 0.55mm 16-lead QFN package, which is an ideal RF front-end solution for implementing 5GHz high-power WLAN systems supporting multiple standards including 802.11a/n/ac/ax.


Specifications

Integrated high performance 5GHz PA, LNA with bypass and T/R switch

Fully-matched input and output

Integrated power detector

Transmit gain: 30dB at 3.3V

Receive gain: 16.5dB at 3.3V

Noise Figure: 1.7dB at 3.3V

Output power: +15.5dBm @ -43dB DEVM, HE160/MCS11, 3.3V

                        +17.5dBm @ -40dB DEVM, HE160/MCS11, 3.3V

                        +19dBm @ -35dB DEVM, VHT80/MCS9, 3.3V

                        +20dBm @ -30dB DEVM, HT20/MCS7, 3.3V

ESD protection circuitry on all PINs

Simplified external components required

Small package: QFN-16L, 3mm x 3mm x0.55mm

MSL3, 260°C per JEDEC J-STD-020

RoHS and REACH compliant


5GHz 3.3V 802.11ax RF Front-end Module

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